/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.blocks.2.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:08:19,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:08:20,034 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 20:08:20,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:08:20,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:08:20,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:08:20,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:08:20,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:08:20,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:08:20,080 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:08:20,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:08:20,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:08:20,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:08:20,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:08:20,082 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:08:20,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:08:20,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:08:20,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:08:20,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:08:20,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:08:20,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:08:20,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:08:20,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:08:20,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:08:20,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:08:20,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:08:20,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:08:20,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:08:20,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:08:20,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:08:20,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:08:20,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:08:20,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:08:20,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:08:20,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:08:20,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:08:20,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:08:20,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:08:20,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:08:20,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:08:20,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:08:20,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:08:20,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:08:20,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:08:20,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:08:20,298 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:08:20,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2023-12-16 20:08:21,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:08:21,616 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:08:21,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2023-12-16 20:08:21,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a55f485/5a04f56da4df4f0cb2c666f3e38f22ba/FLAGa87474a0c [2023-12-16 20:08:21,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a55f485/5a04f56da4df4f0cb2c666f3e38f22ba [2023-12-16 20:08:21,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:08:21,652 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:08:21,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:08:21,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:08:21,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:08:21,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:08:21" (1/1) ... [2023-12-16 20:08:21,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1929555b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:21, skipping insertion in model container [2023-12-16 20:08:21,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:08:21" (1/1) ... [2023-12-16 20:08:21,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:08:21,864 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.blocks.2.prop1-back-serstep.c[1174,1187] [2023-12-16 20:08:22,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:08:22,212 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:08:22,223 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.blocks.2.prop1-back-serstep.c[1174,1187] [2023-12-16 20:08:22,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:08:22,370 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:08:22,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22 WrapperNode [2023-12-16 20:08:22,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:08:22,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:08:22,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:08:22,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:08:22,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,557 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3399 [2023-12-16 20:08:22,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:08:22,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:08:22,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:08:22,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:08:22,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,696 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 20:08:22,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:08:22,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:08:22,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:08:22,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:08:22,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (1/1) ... [2023-12-16 20:08:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:08:22,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:08:22,836 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 20:08:22,863 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 20:08:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:08:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:08:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:08:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:08:23,307 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:08:23,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:08:30,566 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:08:30,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:08:30,644 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:08:30,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:08:30 BoogieIcfgContainer [2023-12-16 20:08:30,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:08:30,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:08:30,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:08:30,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:08:30,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:08:21" (1/3) ... [2023-12-16 20:08:30,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c8a864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:08:30, skipping insertion in model container [2023-12-16 20:08:30,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:22" (2/3) ... [2023-12-16 20:08:30,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c8a864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:08:30, skipping insertion in model container [2023-12-16 20:08:30,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:08:30" (3/3) ... [2023-12-16 20:08:30,654 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2023-12-16 20:08:30,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:08:30,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:08:30,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:08:30,704 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;@55896273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:08:30,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:08:30,707 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 20:08:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:08:30,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:08:30,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:08:30,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:08:30,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:08:30,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:08:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:08:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877928672] [2023-12-16 20:08:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:08:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:08:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:08:31,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:08:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:08:31,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:08:31,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:08:31,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:08:31,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:08:31,321 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:08:31,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:08:31,344 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:08:31,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:08:31 BoogieIcfgContainer [2023-12-16 20:08:31,357 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:08:31,357 INFO L158 Benchmark]: Toolchain (without parser) took 9705.04ms. Allocated memory was 188.7MB in the beginning and 547.4MB in the end (delta: 358.6MB). Free memory was 132.1MB in the beginning and 410.8MB in the end (delta: -278.8MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. [2023-12-16 20:08:31,358 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 138.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:08:31,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.13ms. Allocated memory is still 188.7MB. Free memory was 131.9MB in the beginning and 93.7MB in the end (delta: 38.1MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. [2023-12-16 20:08:31,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.04ms. Allocated memory is still 188.7MB. Free memory was 93.2MB in the beginning and 62.8MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-16 20:08:31,362 INFO L158 Benchmark]: Boogie Preprocessor took 255.39ms. Allocated memory was 188.7MB in the beginning and 269.5MB in the end (delta: 80.7MB). Free memory was 62.8MB in the beginning and 197.4MB in the end (delta: -134.6MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2023-12-16 20:08:31,363 INFO L158 Benchmark]: RCFGBuilder took 7831.88ms. Allocated memory was 269.5MB in the beginning and 456.1MB in the end (delta: 186.6MB). Free memory was 197.4MB in the beginning and 139.2MB in the end (delta: 58.2MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. [2023-12-16 20:08:31,363 INFO L158 Benchmark]: TraceAbstraction took 707.80ms. Allocated memory was 456.1MB in the beginning and 547.4MB in the end (delta: 91.2MB). Free memory was 138.7MB in the beginning and 410.8MB in the end (delta: -272.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:08:31,369 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 188.7MB. Free memory is still 138.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 718.13ms. Allocated memory is still 188.7MB. Free memory was 131.9MB in the beginning and 93.7MB in the end (delta: 38.1MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 186.04ms. Allocated memory is still 188.7MB. Free memory was 93.2MB in the beginning and 62.8MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 255.39ms. Allocated memory was 188.7MB in the beginning and 269.5MB in the end (delta: 80.7MB). Free memory was 62.8MB in the beginning and 197.4MB in the end (delta: -134.6MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. * RCFGBuilder took 7831.88ms. Allocated memory was 269.5MB in the beginning and 456.1MB in the end (delta: 186.6MB). Free memory was 197.4MB in the beginning and 139.2MB in the end (delta: 58.2MB). Peak memory consumption was 251.1MB. Max. memory is 8.0GB. * TraceAbstraction took 707.80ms. Allocated memory was 456.1MB in the beginning and 547.4MB in the end (delta: 91.2MB). Free memory was 138.7MB in the beginning and 410.8MB in the end (delta: -272.1MB). There was no memory consumed. 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 140. 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_2 var_3 = 0; [L33] const SORT_1 var_30 = 0; [L34] const SORT_2 var_43 = 2; [L35] const SORT_2 var_46 = 254; [L36] const SORT_2 var_51 = 0; [L37] const SORT_2 var_54 = 1; [L38] const SORT_2 var_57 = 4; [L39] const SORT_2 var_72 = 253; [L40] const SORT_1 var_109 = 1; [L41] const SORT_2 var_117 = 5; [L42] const SORT_2 var_120 = 3; [L43] const SORT_2 var_177 = 255; [L45] SORT_2 input_77; [L46] SORT_2 input_79; [L47] SORT_2 input_81; [L48] SORT_2 input_83; [L49] SORT_2 input_85; [L50] SORT_2 input_87; [L51] SORT_2 input_89; [L52] SORT_2 input_91; [L53] SORT_2 input_93; [L54] SORT_2 input_95; [L55] SORT_2 input_97; [L56] SORT_2 input_99; [L57] SORT_2 input_101; [L58] SORT_1 input_103; [L59] SORT_1 input_105; [L60] SORT_1 input_107; [L61] SORT_1 input_111; [L62] SORT_1 input_125; [L63] SORT_1 input_133; [L64] SORT_1 input_141; [L65] SORT_1 input_149; [L66] SORT_1 input_157; [L67] SORT_1 input_165; [L68] SORT_1 input_173; [L69] SORT_1 input_184; [L70] SORT_1 input_197; [L71] SORT_1 input_213; [L72] SORT_1 input_232; [L73] SORT_1 input_254; [L74] SORT_1 input_279; [L75] SORT_1 input_312; [L76] SORT_1 input_347; [L77] SORT_1 input_372; [L78] SORT_1 input_398; [L79] SORT_1 input_425; [L80] SORT_1 input_454; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_2 init_5_arg_1 = var_3; [L102] state_4 = init_5_arg_1 [L103] SORT_2 init_7_arg_1 = var_3; [L104] state_6 = init_7_arg_1 [L105] SORT_2 init_9_arg_1 = var_3; [L106] state_8 = init_9_arg_1 [L107] SORT_2 init_11_arg_1 = var_3; [L108] state_10 = init_11_arg_1 [L109] SORT_2 init_13_arg_1 = var_3; [L110] state_12 = init_13_arg_1 [L111] SORT_2 init_15_arg_1 = var_3; [L112] state_14 = init_15_arg_1 [L113] SORT_2 init_17_arg_1 = var_3; [L114] state_16 = init_17_arg_1 [L115] SORT_2 init_19_arg_1 = var_3; [L116] state_18 = init_19_arg_1 [L117] SORT_2 init_21_arg_1 = var_3; [L118] state_20 = init_21_arg_1 [L119] SORT_2 init_23_arg_1 = var_3; [L120] state_22 = init_23_arg_1 [L121] SORT_2 init_25_arg_1 = var_3; [L122] state_24 = init_25_arg_1 [L123] SORT_2 init_27_arg_1 = var_3; [L124] state_26 = init_27_arg_1 [L125] SORT_2 init_29_arg_1 = var_3; [L126] state_28 = init_29_arg_1 [L127] SORT_1 init_32_arg_1 = var_30; [L128] state_31 = init_32_arg_1 [L129] SORT_1 init_34_arg_1 = var_30; [L130] state_33 = init_34_arg_1 [L131] SORT_1 init_36_arg_1 = var_30; [L132] state_35 = init_36_arg_1 [L133] SORT_1 init_38_arg_1 = var_30; [L134] state_37 = init_38_arg_1 [L135] SORT_1 init_40_arg_1 = var_30; [L136] state_39 = init_40_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_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_5_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_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_4=0, state_6=0, state_8=0, var_109=1, var_117=5, var_120=3, var_177=255, var_30=0, var_3=0, var_43=2, var_46=254, var_51=0, var_54=1, var_57=4, var_72=253] [L139] input_77 = __VERIFIER_nondet_uchar() [L140] EXPR input_77 & mask_SORT_2 [L140] input_77 = input_77 & mask_SORT_2 [L141] input_79 = __VERIFIER_nondet_uchar() [L142] EXPR input_79 & mask_SORT_2 [L142] input_79 = input_79 & mask_SORT_2 [L143] input_81 = __VERIFIER_nondet_uchar() [L144] EXPR input_81 & mask_SORT_2 [L144] input_81 = input_81 & mask_SORT_2 [L145] input_83 = __VERIFIER_nondet_uchar() [L146] EXPR input_83 & mask_SORT_2 [L146] input_83 = input_83 & mask_SORT_2 [L147] input_85 = __VERIFIER_nondet_uchar() [L148] EXPR input_85 & mask_SORT_2 [L148] input_85 = input_85 & mask_SORT_2 [L149] input_87 = __VERIFIER_nondet_uchar() [L150] EXPR input_87 & mask_SORT_2 [L150] input_87 = input_87 & mask_SORT_2 [L151] input_89 = __VERIFIER_nondet_uchar() [L152] EXPR input_89 & mask_SORT_2 [L152] input_89 = input_89 & mask_SORT_2 [L153] input_91 = __VERIFIER_nondet_uchar() [L154] EXPR input_91 & mask_SORT_2 [L154] input_91 = input_91 & mask_SORT_2 [L155] input_93 = __VERIFIER_nondet_uchar() [L156] EXPR input_93 & mask_SORT_2 [L156] input_93 = input_93 & mask_SORT_2 [L157] input_95 = __VERIFIER_nondet_uchar() [L158] EXPR input_95 & mask_SORT_2 [L158] input_95 = input_95 & mask_SORT_2 [L159] input_97 = __VERIFIER_nondet_uchar() [L160] EXPR input_97 & mask_SORT_2 [L160] input_97 = input_97 & mask_SORT_2 [L161] input_99 = __VERIFIER_nondet_uchar() [L162] EXPR input_99 & mask_SORT_2 [L162] input_99 = input_99 & mask_SORT_2 [L163] input_101 = __VERIFIER_nondet_uchar() [L164] EXPR input_101 & mask_SORT_2 [L164] input_101 = input_101 & mask_SORT_2 [L165] input_103 = __VERIFIER_nondet_uchar() [L166] EXPR input_103 & mask_SORT_1 [L166] input_103 = input_103 & mask_SORT_1 [L167] input_105 = __VERIFIER_nondet_uchar() [L168] EXPR input_105 & mask_SORT_1 [L168] input_105 = input_105 & mask_SORT_1 [L169] input_107 = __VERIFIER_nondet_uchar() [L170] EXPR input_107 & mask_SORT_1 [L170] input_107 = input_107 & mask_SORT_1 [L171] input_111 = __VERIFIER_nondet_uchar() [L172] input_125 = __VERIFIER_nondet_uchar() [L173] EXPR input_125 & mask_SORT_1 [L173] input_125 = input_125 & mask_SORT_1 [L174] input_133 = __VERIFIER_nondet_uchar() [L175] EXPR input_133 & mask_SORT_1 [L175] input_133 = input_133 & mask_SORT_1 [L176] input_141 = __VERIFIER_nondet_uchar() [L177] EXPR input_141 & mask_SORT_1 [L177] input_141 = input_141 & mask_SORT_1 [L178] input_149 = __VERIFIER_nondet_uchar() [L179] EXPR input_149 & mask_SORT_1 [L179] input_149 = input_149 & mask_SORT_1 [L180] input_157 = __VERIFIER_nondet_uchar() [L181] EXPR input_157 & mask_SORT_1 [L181] input_157 = input_157 & mask_SORT_1 [L182] input_165 = __VERIFIER_nondet_uchar() [L183] EXPR input_165 & mask_SORT_1 [L183] input_165 = input_165 & mask_SORT_1 [L184] input_173 = __VERIFIER_nondet_uchar() [L185] EXPR input_173 & mask_SORT_1 [L185] input_173 = input_173 & mask_SORT_1 [L186] input_184 = __VERIFIER_nondet_uchar() [L187] EXPR input_184 & mask_SORT_1 [L187] input_184 = input_184 & mask_SORT_1 [L188] input_197 = __VERIFIER_nondet_uchar() [L189] EXPR input_197 & mask_SORT_1 [L189] input_197 = input_197 & mask_SORT_1 [L190] input_213 = __VERIFIER_nondet_uchar() [L191] EXPR input_213 & mask_SORT_1 [L191] input_213 = input_213 & mask_SORT_1 [L192] input_232 = __VERIFIER_nondet_uchar() [L193] EXPR input_232 & mask_SORT_1 [L193] input_232 = input_232 & mask_SORT_1 [L194] input_254 = __VERIFIER_nondet_uchar() [L195] EXPR input_254 & mask_SORT_1 [L195] input_254 = input_254 & mask_SORT_1 [L196] input_279 = __VERIFIER_nondet_uchar() [L197] EXPR input_279 & mask_SORT_1 [L197] input_279 = input_279 & mask_SORT_1 [L198] input_312 = __VERIFIER_nondet_uchar() [L199] EXPR input_312 & mask_SORT_1 [L199] input_312 = input_312 & mask_SORT_1 [L200] input_347 = __VERIFIER_nondet_uchar() [L201] EXPR input_347 & mask_SORT_1 [L201] input_347 = input_347 & mask_SORT_1 [L202] input_372 = __VERIFIER_nondet_uchar() [L203] EXPR input_372 & mask_SORT_1 [L203] input_372 = input_372 & mask_SORT_1 [L204] input_398 = __VERIFIER_nondet_uchar() [L205] EXPR input_398 & mask_SORT_1 [L205] input_398 = input_398 & mask_SORT_1 [L206] input_425 = __VERIFIER_nondet_uchar() [L207] EXPR input_425 & mask_SORT_1 [L207] input_425 = input_425 & mask_SORT_1 [L208] input_454 = __VERIFIER_nondet_uchar() [L209] EXPR input_454 & mask_SORT_1 [L209] input_454 = input_454 & mask_SORT_1 [L212] SORT_1 var_41_arg_0 = state_31; [L213] SORT_1 var_41_arg_1 = ~state_33; [L214] EXPR var_41_arg_1 & mask_SORT_1 [L214] var_41_arg_1 = var_41_arg_1 & mask_SORT_1 [L215] EXPR var_41_arg_0 & var_41_arg_1 [L215] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L216] SORT_1 var_42_arg_0 = var_41; [L217] SORT_1 var_42_arg_1 = ~state_35; [L218] EXPR var_42_arg_1 & mask_SORT_1 [L218] var_42_arg_1 = var_42_arg_1 & mask_SORT_1 [L219] EXPR var_42_arg_0 & var_42_arg_1 [L219] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L220] SORT_2 var_44_arg_0 = var_43; [L221] SORT_2 var_44_arg_1 = state_4; [L222] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L223] SORT_1 var_45_arg_0 = var_42; [L224] SORT_1 var_45_arg_1 = var_44; [L225] EXPR var_45_arg_0 & var_45_arg_1 [L225] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L226] SORT_2 var_47_arg_0 = var_46; [L227] SORT_2 var_47_arg_1 = state_6; [L228] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L229] SORT_1 var_48_arg_0 = var_45; [L230] SORT_1 var_48_arg_1 = var_47; [L231] EXPR var_48_arg_0 & var_48_arg_1 [L231] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L232] SORT_2 var_49_arg_0 = var_46; [L233] SORT_2 var_49_arg_1 = state_8; [L234] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L235] SORT_1 var_50_arg_0 = var_48; [L236] SORT_1 var_50_arg_1 = var_49; [L237] EXPR var_50_arg_0 & var_50_arg_1 [L237] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L238] SORT_2 var_52_arg_0 = var_51; [L239] SORT_2 var_52_arg_1 = state_10; [L240] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L241] SORT_1 var_53_arg_0 = var_50; [L242] SORT_1 var_53_arg_1 = var_52; [L243] EXPR var_53_arg_0 & var_53_arg_1 [L243] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L244] SORT_2 var_55_arg_0 = var_54; [L245] SORT_2 var_55_arg_1 = state_12; [L246] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L247] SORT_1 var_56_arg_0 = var_53; [L248] SORT_1 var_56_arg_1 = var_55; [L249] EXPR var_56_arg_0 & var_56_arg_1 [L249] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L250] SORT_2 var_58_arg_0 = var_57; [L251] SORT_2 var_58_arg_1 = state_14; [L252] SORT_1 var_58 = var_58_arg_0 == var_58_arg_1; [L253] SORT_1 var_59_arg_0 = var_56; [L254] SORT_1 var_59_arg_1 = var_58; [L255] EXPR var_59_arg_0 & var_59_arg_1 [L255] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L256] SORT_2 var_60_arg_0 = var_51; [L257] SORT_2 var_60_arg_1 = state_16; [L258] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L259] SORT_1 var_61_arg_0 = var_59; [L260] SORT_1 var_61_arg_1 = var_60; [L261] EXPR var_61_arg_0 & var_61_arg_1 [L261] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L262] SORT_2 var_62_arg_0 = var_51; [L263] SORT_2 var_62_arg_1 = state_18; [L264] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L265] SORT_1 var_63_arg_0 = var_61; [L266] SORT_1 var_63_arg_1 = var_62; [L267] EXPR var_63_arg_0 & var_63_arg_1 [L267] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L268] SORT_2 var_64_arg_0 = var_51; [L269] SORT_2 var_64_arg_1 = state_20; [L270] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L271] SORT_1 var_65_arg_0 = var_63; [L272] SORT_1 var_65_arg_1 = var_64; [L273] EXPR var_65_arg_0 & var_65_arg_1 [L273] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L274] SORT_2 var_66_arg_0 = var_54; [L275] SORT_2 var_66_arg_1 = state_22; [L276] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L277] SORT_1 var_67_arg_0 = var_65; [L278] SORT_1 var_67_arg_1 = var_66; [L279] EXPR var_67_arg_0 & var_67_arg_1 [L279] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L280] SORT_2 var_68_arg_0 = var_51; [L281] SORT_2 var_68_arg_1 = state_24; [L282] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L283] SORT_1 var_69_arg_0 = var_67; [L284] SORT_1 var_69_arg_1 = var_68; [L285] EXPR var_69_arg_0 & var_69_arg_1 [L285] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L286] SORT_2 var_70_arg_0 = var_54; [L287] SORT_2 var_70_arg_1 = state_26; [L288] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L289] SORT_1 var_71_arg_0 = var_69; [L290] SORT_1 var_71_arg_1 = var_70; [L291] EXPR var_71_arg_0 & var_71_arg_1 [L291] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L292] SORT_2 var_73_arg_0 = var_72; [L293] SORT_2 var_73_arg_1 = state_28; [L294] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L295] SORT_1 var_74_arg_0 = var_71; [L296] SORT_1 var_74_arg_1 = var_73; [L297] EXPR var_74_arg_0 & var_74_arg_1 [L297] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L298] SORT_1 var_75_arg_0 = state_39; [L299] SORT_1 var_75_arg_1 = var_74; [L300] EXPR var_75_arg_0 & var_75_arg_1 [L300] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L301] EXPR var_75 & mask_SORT_1 [L301] var_75 = var_75 & mask_SORT_1 [L302] SORT_1 bad_76_arg_0 = var_75; [L303] CALL __VERIFIER_assert(!(bad_76_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: 0.6s, 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 20:08:31,391 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...