/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.anderson.1.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:04:55,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:04:55,838 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 20:04:55,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:04:55,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:04:55,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:04:55,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:04:55,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:04:55,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:04:55,885 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:04:55,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:04:55,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:04:55,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:04:55,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:04:55,887 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:04:55,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:04:55,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:04:55,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:04:55,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:04:55,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:04:55,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:04:55,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:04:55,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:04:55,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:04:55,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:04:55,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:04:55,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:04:55,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:04:55,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:04:55,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:04:55,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:04:55,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:04:55,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:04:55,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:04:55,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:04:56,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:04:56,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:04:56,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:04:56,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:04:56,234 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:04:56,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2023-12-16 20:04:57,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:04:57,762 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:04:57,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2023-12-16 20:04:57,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57c70167/bff60ccf03644f0b886e973ee0bcf3d4/FLAGe3705a547 [2023-12-16 20:04:57,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d57c70167/bff60ccf03644f0b886e973ee0bcf3d4 [2023-12-16 20:04:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:04:57,803 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:04:57,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:04:57,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:04:57,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:04:57,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:57" (1/1) ... [2023-12-16 20:04:57,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a972032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57, skipping insertion in model container [2023-12-16 20:04:57,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:57" (1/1) ... [2023-12-16 20:04:57,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:04:58,014 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.anderson.1.prop1-back-serstep.c[1176,1189] [2023-12-16 20:04:58,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:04:58,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:04:58,241 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.anderson.1.prop1-back-serstep.c[1176,1189] [2023-12-16 20:04:58,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:04:58,433 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:04:58,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58 WrapperNode [2023-12-16 20:04:58,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:04:58,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:04:58,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:04:58,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:04:58,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,573 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1722 [2023-12-16 20:04:58,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:04:58,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:04:58,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:04:58,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:04:58,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,645 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 20:04:58,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:04:58,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:04:58,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:04:58,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:04:58,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (1/1) ... [2023-12-16 20:04:58,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:04:58,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:04:58,743 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 20:04:58,764 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 20:04:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:04:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:04:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:04:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:04:59,038 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:04:59,040 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:05:00,254 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:05:00,301 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:05:00,301 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:05:00,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:05:00 BoogieIcfgContainer [2023-12-16 20:05:00,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:05:00,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:05:00,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:05:00,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:05:00,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:04:57" (1/3) ... [2023-12-16 20:05:00,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:05:00, skipping insertion in model container [2023-12-16 20:05:00,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:58" (2/3) ... [2023-12-16 20:05:00,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:05:00, skipping insertion in model container [2023-12-16 20:05:00,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:05:00" (3/3) ... [2023-12-16 20:05:00,308 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2023-12-16 20:05:00,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:05:00,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:05:00,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:05:00,357 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;@732c1018, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:05:00,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:05:00,360 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 20:05:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:05:00,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:05:00,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:05:00,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:05:00,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:05:00,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:05:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:05:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636384379] [2023-12-16 20:05:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:05:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:05:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:05:00,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:05:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:05:00,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:05:00,792 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:05:00,793 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:05:00,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:05:00,800 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:05:00,805 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:05:00,843 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:05:00,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:05:00 BoogieIcfgContainer [2023-12-16 20:05:00,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:05:00,868 INFO L158 Benchmark]: Toolchain (without parser) took 3065.11ms. Allocated memory was 170.9MB in the beginning and 321.9MB in the end (delta: 151.0MB). Free memory was 117.9MB in the beginning and 260.0MB in the end (delta: -142.1MB). Peak memory consumption was 127.8MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,868 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:05:00,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.06ms. Allocated memory was 170.9MB in the beginning and 247.5MB in the end (delta: 76.5MB). Free memory was 117.5MB in the beginning and 202.2MB in the end (delta: -84.7MB). Peak memory consumption was 49.2MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.33ms. Allocated memory is still 247.5MB. Free memory was 202.2MB in the beginning and 188.6MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,870 INFO L158 Benchmark]: Boogie Preprocessor took 145.55ms. Allocated memory is still 247.5MB. Free memory was 188.6MB in the beginning and 175.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,870 INFO L158 Benchmark]: RCFGBuilder took 1581.84ms. Allocated memory is still 247.5MB. Free memory was 175.5MB in the beginning and 116.3MB in the end (delta: 59.2MB). Peak memory consumption was 106.9MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,871 INFO L158 Benchmark]: TraceAbstraction took 563.40ms. Allocated memory was 247.5MB in the beginning and 321.9MB in the end (delta: 74.4MB). Free memory was 115.8MB in the beginning and 260.0MB in the end (delta: -144.2MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2023-12-16 20:05:00,874 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 170.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 630.06ms. Allocated memory was 170.9MB in the beginning and 247.5MB in the end (delta: 76.5MB). Free memory was 117.5MB in the beginning and 202.2MB in the end (delta: -84.7MB). Peak memory consumption was 49.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 139.33ms. Allocated memory is still 247.5MB. Free memory was 202.2MB in the beginning and 188.6MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 145.55ms. Allocated memory is still 247.5MB. Free memory was 188.6MB in the beginning and 175.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1581.84ms. Allocated memory is still 247.5MB. Free memory was 175.5MB in the beginning and 116.3MB in the end (delta: 59.2MB). Peak memory consumption was 106.9MB. Max. memory is 8.0GB. * TraceAbstraction took 563.40ms. Allocated memory was 247.5MB in the beginning and 321.9MB in the end (delta: 74.4MB). Free memory was 115.8MB in the beginning and 260.0MB in the end (delta: -144.2MB). Peak memory consumption was 49.3MB. 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 131. 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_2)-1 >> (sizeof(SORT_2) * 8 - 8) [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] EXPR (SORT_2)1 << (8 - 1) [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_16 = 0; [L40] const SORT_2 var_50 = 1; [L41] const SORT_2 var_53 = 0; [L42] const SORT_1 var_94 = 1; [L43] const SORT_3 var_113 = 0; [L44] const SORT_4 var_115 = 2; [L45] const SORT_4 var_138 = 1; [L46] const SORT_4 var_165 = 0; [L48] SORT_2 input_64; [L49] SORT_2 input_66; [L50] SORT_2 input_68; [L51] SORT_2 input_70; [L52] SORT_2 input_72; [L53] SORT_1 input_74; [L54] SORT_1 input_76; [L55] SORT_1 input_78; [L56] SORT_1 input_80; [L57] SORT_1 input_82; [L58] SORT_1 input_84; [L59] SORT_1 input_86; [L60] SORT_1 input_88; [L61] SORT_1 input_90; [L62] SORT_1 input_92; [L63] SORT_1 input_96; [L64] SORT_1 input_98; [L65] SORT_1 input_105; [L66] SORT_1 input_110; [L67] SORT_1 input_126; [L68] SORT_1 input_130; [L69] SORT_1 input_133; [L70] SORT_1 input_136; [L71] SORT_1 input_152; [L72] SORT_1 input_157; [L73] SORT_1 input_190; [L74] SORT_1 input_194; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_2 init_7_arg_1 = var_5; [L95] state_6 = init_7_arg_1 [L96] SORT_2 init_9_arg_1 = var_5; [L97] state_8 = init_9_arg_1 [L98] SORT_2 init_11_arg_1 = var_5; [L99] state_10 = init_11_arg_1 [L100] SORT_2 init_13_arg_1 = var_5; [L101] state_12 = init_13_arg_1 [L102] SORT_2 init_15_arg_1 = var_5; [L103] state_14 = init_15_arg_1 [L104] SORT_1 init_18_arg_1 = var_16; [L105] state_17 = init_18_arg_1 [L106] SORT_1 init_20_arg_1 = var_16; [L107] state_19 = init_20_arg_1 [L108] SORT_1 init_22_arg_1 = var_16; [L109] state_21 = init_22_arg_1 [L110] SORT_1 init_24_arg_1 = var_16; [L111] state_23 = init_24_arg_1 [L112] SORT_1 init_26_arg_1 = var_16; [L113] state_25 = init_26_arg_1 [L114] SORT_1 init_28_arg_1 = var_16; [L115] state_27 = init_28_arg_1 [L116] SORT_1 init_30_arg_1 = var_16; [L117] state_29 = init_30_arg_1 [L118] SORT_1 init_32_arg_1 = var_16; [L119] state_31 = init_32_arg_1 [L120] SORT_1 init_34_arg_1 = var_16; [L121] state_33 = init_34_arg_1 [L122] SORT_1 init_36_arg_1 = var_16; [L123] state_35 = init_36_arg_1 [L124] SORT_1 init_38_arg_1 = var_16; [L125] state_37 = init_38_arg_1 [L126] SORT_1 init_40_arg_1 = var_16; [L127] state_39 = init_40_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=0, mask_SORT_2=0, msb_SORT_1=0, msb_SORT_2=0, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_6=0, state_8=0, var_113=0, var_115=2, var_138=1, var_165=0, var_16=0, var_50=1, var_53=0, var_5=0, var_94=1] [L130] input_64 = __VERIFIER_nondet_uchar() [L131] EXPR input_64 & mask_SORT_2 [L131] input_64 = input_64 & mask_SORT_2 [L132] input_66 = __VERIFIER_nondet_uchar() [L133] EXPR input_66 & mask_SORT_2 [L133] input_66 = input_66 & mask_SORT_2 [L134] input_68 = __VERIFIER_nondet_uchar() [L135] EXPR input_68 & mask_SORT_2 [L135] input_68 = input_68 & mask_SORT_2 [L136] input_70 = __VERIFIER_nondet_uchar() [L137] EXPR input_70 & mask_SORT_2 [L137] input_70 = input_70 & mask_SORT_2 [L138] input_72 = __VERIFIER_nondet_uchar() [L139] EXPR input_72 & mask_SORT_2 [L139] input_72 = input_72 & mask_SORT_2 [L140] input_74 = __VERIFIER_nondet_uchar() [L141] EXPR input_74 & mask_SORT_1 [L141] input_74 = input_74 & mask_SORT_1 [L142] input_76 = __VERIFIER_nondet_uchar() [L143] EXPR input_76 & mask_SORT_1 [L143] input_76 = input_76 & mask_SORT_1 [L144] input_78 = __VERIFIER_nondet_uchar() [L145] EXPR input_78 & mask_SORT_1 [L145] input_78 = input_78 & mask_SORT_1 [L146] input_80 = __VERIFIER_nondet_uchar() [L147] EXPR input_80 & mask_SORT_1 [L147] input_80 = input_80 & mask_SORT_1 [L148] input_82 = __VERIFIER_nondet_uchar() [L149] EXPR input_82 & mask_SORT_1 [L149] input_82 = input_82 & mask_SORT_1 [L150] input_84 = __VERIFIER_nondet_uchar() [L151] EXPR input_84 & mask_SORT_1 [L151] input_84 = input_84 & mask_SORT_1 [L152] input_86 = __VERIFIER_nondet_uchar() [L153] EXPR input_86 & mask_SORT_1 [L153] input_86 = input_86 & mask_SORT_1 [L154] input_88 = __VERIFIER_nondet_uchar() [L155] EXPR input_88 & mask_SORT_1 [L155] input_88 = input_88 & mask_SORT_1 [L156] input_90 = __VERIFIER_nondet_uchar() [L157] EXPR input_90 & mask_SORT_1 [L157] input_90 = input_90 & mask_SORT_1 [L158] input_92 = __VERIFIER_nondet_uchar() [L159] EXPR input_92 & mask_SORT_1 [L159] input_92 = input_92 & mask_SORT_1 [L160] input_96 = __VERIFIER_nondet_uchar() [L161] EXPR input_96 & mask_SORT_1 [L161] input_96 = input_96 & mask_SORT_1 [L162] input_98 = __VERIFIER_nondet_uchar() [L163] EXPR input_98 & mask_SORT_1 [L163] input_98 = input_98 & mask_SORT_1 [L164] input_105 = __VERIFIER_nondet_uchar() [L165] EXPR input_105 & mask_SORT_1 [L165] input_105 = input_105 & mask_SORT_1 [L166] input_110 = __VERIFIER_nondet_uchar() [L167] input_126 = __VERIFIER_nondet_uchar() [L168] input_130 = __VERIFIER_nondet_uchar() [L169] input_133 = __VERIFIER_nondet_uchar() [L170] EXPR input_133 & mask_SORT_1 [L170] input_133 = input_133 & mask_SORT_1 [L171] input_136 = __VERIFIER_nondet_uchar() [L172] EXPR input_136 & mask_SORT_1 [L172] input_136 = input_136 & mask_SORT_1 [L173] input_152 = __VERIFIER_nondet_uchar() [L174] EXPR input_152 & mask_SORT_1 [L174] input_152 = input_152 & mask_SORT_1 [L175] input_157 = __VERIFIER_nondet_uchar() [L176] input_190 = __VERIFIER_nondet_uchar() [L177] input_194 = __VERIFIER_nondet_uchar() [L180] SORT_1 var_41_arg_0 = state_17; [L181] SORT_1 var_41_arg_1 = ~state_19; [L182] EXPR var_41_arg_1 & mask_SORT_1 [L182] var_41_arg_1 = var_41_arg_1 & mask_SORT_1 [L183] EXPR var_41_arg_0 & var_41_arg_1 [L183] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L184] SORT_1 var_42_arg_0 = var_41; [L185] SORT_1 var_42_arg_1 = ~state_21; [L186] EXPR var_42_arg_1 & mask_SORT_1 [L186] var_42_arg_1 = var_42_arg_1 & mask_SORT_1 [L187] EXPR var_42_arg_0 & var_42_arg_1 [L187] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L188] SORT_1 var_43_arg_0 = var_42; [L189] SORT_1 var_43_arg_1 = ~state_23; [L190] EXPR var_43_arg_1 & mask_SORT_1 [L190] var_43_arg_1 = var_43_arg_1 & mask_SORT_1 [L191] EXPR var_43_arg_0 & var_43_arg_1 [L191] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L192] SORT_1 var_44_arg_0 = var_43; [L193] SORT_1 var_44_arg_1 = ~state_25; [L194] EXPR var_44_arg_1 & mask_SORT_1 [L194] var_44_arg_1 = var_44_arg_1 & mask_SORT_1 [L195] EXPR var_44_arg_0 & var_44_arg_1 [L195] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L196] SORT_1 var_45_arg_0 = var_44; [L197] SORT_1 var_45_arg_1 = state_27; [L198] EXPR var_45_arg_0 & var_45_arg_1 [L198] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L199] SORT_1 var_46_arg_0 = var_45; [L200] SORT_1 var_46_arg_1 = ~state_29; [L201] EXPR var_46_arg_1 & mask_SORT_1 [L201] var_46_arg_1 = var_46_arg_1 & mask_SORT_1 [L202] EXPR var_46_arg_0 & var_46_arg_1 [L202] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L203] SORT_1 var_47_arg_0 = var_46; [L204] SORT_1 var_47_arg_1 = ~state_31; [L205] EXPR var_47_arg_1 & mask_SORT_1 [L205] var_47_arg_1 = var_47_arg_1 & mask_SORT_1 [L206] EXPR var_47_arg_0 & var_47_arg_1 [L206] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L207] SORT_1 var_48_arg_0 = var_47; [L208] SORT_1 var_48_arg_1 = ~state_33; [L209] EXPR var_48_arg_1 & mask_SORT_1 [L209] var_48_arg_1 = var_48_arg_1 & mask_SORT_1 [L210] EXPR var_48_arg_0 & var_48_arg_1 [L210] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L211] SORT_1 var_49_arg_0 = var_48; [L212] SORT_1 var_49_arg_1 = ~state_35; [L213] EXPR var_49_arg_1 & mask_SORT_1 [L213] var_49_arg_1 = var_49_arg_1 & mask_SORT_1 [L214] EXPR var_49_arg_0 & var_49_arg_1 [L214] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L215] SORT_2 var_51_arg_0 = var_50; [L216] SORT_2 var_51_arg_1 = state_6; [L217] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L218] SORT_1 var_52_arg_0 = var_49; [L219] SORT_1 var_52_arg_1 = var_51; [L220] EXPR var_52_arg_0 & var_52_arg_1 [L220] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L221] SORT_2 var_54_arg_0 = var_53; [L222] SORT_2 var_54_arg_1 = state_8; [L223] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L224] SORT_1 var_55_arg_0 = var_52; [L225] SORT_1 var_55_arg_1 = var_54; [L226] EXPR var_55_arg_0 & var_55_arg_1 [L226] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L227] SORT_2 var_56_arg_0 = var_53; [L228] SORT_2 var_56_arg_1 = state_10; [L229] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L230] SORT_1 var_57_arg_0 = var_55; [L231] SORT_1 var_57_arg_1 = var_56; [L232] EXPR var_57_arg_0 & var_57_arg_1 [L232] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L233] SORT_2 var_58_arg_0 = var_53; [L234] SORT_2 var_58_arg_1 = state_12; [L235] SORT_1 var_58 = var_58_arg_0 == var_58_arg_1; [L236] SORT_1 var_59_arg_0 = var_57; [L237] SORT_1 var_59_arg_1 = var_58; [L238] EXPR var_59_arg_0 & var_59_arg_1 [L238] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L239] SORT_2 var_60_arg_0 = var_53; [L240] SORT_2 var_60_arg_1 = state_14; [L241] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L242] SORT_1 var_61_arg_0 = var_59; [L243] SORT_1 var_61_arg_1 = var_60; [L244] EXPR var_61_arg_0 & var_61_arg_1 [L244] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L245] SORT_1 var_62_arg_0 = state_39; [L246] SORT_1 var_62_arg_1 = var_61; [L247] EXPR var_62_arg_0 & var_62_arg_1 [L247] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L248] EXPR var_62 & mask_SORT_1 [L248] var_62 = var_62 & mask_SORT_1 [L249] SORT_1 bad_63_arg_0 = var_62; [L250] CALL __VERIFIER_assert(!(bad_63_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: 0.5s, 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, 0.2s 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 20:05:00,919 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...