/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.schedule_world.2.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:51:35,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:51:35,463 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 20:51:35,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:51:35,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:51:35,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:51:35,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:51:35,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:51:35,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:51:35,502 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:51:35,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:51:35,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:51:35,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:51:35,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:51:35,505 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:51:35,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:51:35,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:51:35,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:51:35,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:51:35,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:51:35,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:51:35,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:51:35,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:51:35,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:51:35,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:51:35,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:51:35,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:51:35,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:51:35,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:51:35,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:51:35,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:51:35,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:51:35,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:51:35,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:51:35,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:51:35,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:51:35,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:51:35,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:51:35,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:51:35,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:51:35,510 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:51:35,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:51:35,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:51:35,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:51:35,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:51:35,731 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:51:35,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-func-interl.c [2023-12-16 20:51:36,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:51:37,178 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:51:37,179 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-func-interl.c [2023-12-16 20:51:37,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d35bfc2/5f5912a760a44e90bb7a866225a5461e/FLAGcd74b4672 [2023-12-16 20:51:37,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d35bfc2/5f5912a760a44e90bb7a866225a5461e [2023-12-16 20:51:37,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:51:37,220 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:51:37,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:51:37,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:51:37,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:51:37,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:51:37" (1/1) ... [2023-12-16 20:51:37,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3591fb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:37, skipping insertion in model container [2023-12-16 20:51:37,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:51:37" (1/1) ... [2023-12-16 20:51:37,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:51:37,476 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.schedule_world.2.prop1-func-interl.c[1181,1194] [2023-12-16 20:51:37,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:51:37,885 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:51:37,895 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.schedule_world.2.prop1-func-interl.c[1181,1194] [2023-12-16 20:51:38,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:51:38,051 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:51:38,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38 WrapperNode [2023-12-16 20:51:38,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:51:38,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:51:38,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:51:38,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:51:38,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,229 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3224 [2023-12-16 20:51:38,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:51:38,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:51:38,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:51:38,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:51:38,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,326 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 20:51:38,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:51:38,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:51:38,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:51:38,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:51:38,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (1/1) ... [2023-12-16 20:51:38,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:51:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:51:38,465 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 20:51:38,467 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 20:51:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:51:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:51:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:51:38,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:51:38,936 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:51:38,938 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:51:45,313 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:51:45,436 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:51:45,436 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:51:45,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:51:45 BoogieIcfgContainer [2023-12-16 20:51:45,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:51:45,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:51:45,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:51:45,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:51:45,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:51:37" (1/3) ... [2023-12-16 20:51:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d607066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:51:45, skipping insertion in model container [2023-12-16 20:51:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:51:38" (2/3) ... [2023-12-16 20:51:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d607066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:51:45, skipping insertion in model container [2023-12-16 20:51:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:51:45" (3/3) ... [2023-12-16 20:51:45,445 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.schedule_world.2.prop1-func-interl.c [2023-12-16 20:51:45,460 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:51:45,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:51:45,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:51:45,512 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;@3f65d06b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:51:45,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:51:45,516 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 20:51:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:51:45,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:51:45,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:51:45,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:51:45,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:51:45,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:51:45,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:51:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082206406] [2023-12-16 20:51:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:51:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:51:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:51:45,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:51:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:51:45,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:51:45,920 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:51:45,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:51:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:51:45,927 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:51:45,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:51:45,954 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:51:45,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:51:45 BoogieIcfgContainer [2023-12-16 20:51:45,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:51:45,983 INFO L158 Benchmark]: Toolchain (without parser) took 8761.67ms. Allocated memory was 280.0MB in the beginning and 450.9MB in the end (delta: 170.9MB). Free memory was 236.1MB in the beginning and 168.4MB in the end (delta: 67.7MB). Peak memory consumption was 238.1MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,983 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:51:45,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.06ms. Allocated memory is still 280.0MB. Free memory was 235.6MB in the beginning and 152.2MB in the end (delta: 83.4MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.40ms. Allocated memory is still 280.0MB. Free memory was 152.2MB in the beginning and 126.0MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,989 INFO L158 Benchmark]: Boogie Preprocessor took 200.82ms. Allocated memory is still 280.0MB. Free memory was 126.0MB in the beginning and 100.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,990 INFO L158 Benchmark]: RCFGBuilder took 7005.92ms. Allocated memory was 280.0MB in the beginning and 450.9MB in the end (delta: 170.9MB). Free memory was 100.6MB in the beginning and 217.2MB in the end (delta: -116.6MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,990 INFO L158 Benchmark]: TraceAbstraction took 541.82ms. Allocated memory is still 450.9MB. Free memory was 216.7MB in the beginning and 168.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-12-16 20:51:45,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 830.06ms. Allocated memory is still 280.0MB. Free memory was 235.6MB in the beginning and 152.2MB in the end (delta: 83.4MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 176.40ms. Allocated memory is still 280.0MB. Free memory was 152.2MB in the beginning and 126.0MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 200.82ms. Allocated memory is still 280.0MB. Free memory was 126.0MB in the beginning and 100.6MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 7005.92ms. Allocated memory was 280.0MB in the beginning and 450.9MB in the end (delta: 170.9MB). Free memory was 100.6MB in the beginning and 217.2MB in the end (delta: -116.6MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. * TraceAbstraction took 541.82ms. Allocated memory is still 450.9MB. Free memory was 216.7MB in the beginning and 168.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. 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 172. 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_58 = 0; [L34] const SORT_2 var_68 = 1; [L35] const SORT_2 var_78 = 2; [L36] const SORT_2 var_82 = 255; [L37] const SORT_2 var_84 = 0; [L39] SORT_1 input_67; [L40] SORT_1 input_71; [L41] SORT_1 input_74; [L42] SORT_1 input_77; [L43] SORT_1 input_79; [L44] SORT_1 input_80; [L45] SORT_1 input_81; [L46] SORT_1 input_83; [L47] SORT_1 input_92; [L48] SORT_1 input_93; [L49] SORT_1 input_94; [L50] SORT_1 input_95; [L51] SORT_1 input_96; [L52] SORT_1 input_106; [L53] SORT_1 input_107; [L54] SORT_1 input_108; [L55] SORT_1 input_109; [L56] SORT_1 input_110; [L57] SORT_1 input_133; [L58] SORT_1 input_134; [L59] SORT_1 input_135; [L60] SORT_1 input_136; [L61] SORT_1 input_145; [L62] SORT_1 input_146; [L63] SORT_1 input_147; [L64] SORT_1 input_148; [L65] SORT_1 input_159; [L66] SORT_1 input_160; [L67] SORT_1 input_161; [L68] SORT_1 input_162; [L69] SORT_1 input_173; [L70] SORT_1 input_174; [L71] SORT_1 input_183; [L72] SORT_1 input_184; [L73] SORT_1 input_193; [L74] SORT_1 input_194; [L75] SORT_1 input_201; [L76] SORT_1 input_334; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] SORT_2 init_5_arg_1 = var_3; [L110] state_4 = init_5_arg_1 [L111] SORT_2 init_7_arg_1 = var_3; [L112] state_6 = init_7_arg_1 [L113] SORT_2 init_9_arg_1 = var_3; [L114] state_8 = init_9_arg_1 [L115] SORT_2 init_11_arg_1 = var_3; [L116] state_10 = init_11_arg_1 [L117] SORT_2 init_13_arg_1 = var_3; [L118] state_12 = init_13_arg_1 [L119] SORT_2 init_15_arg_1 = var_3; [L120] state_14 = init_15_arg_1 [L121] SORT_2 init_17_arg_1 = var_3; [L122] state_16 = init_17_arg_1 [L123] SORT_2 init_19_arg_1 = var_3; [L124] state_18 = init_19_arg_1 [L125] SORT_2 init_21_arg_1 = var_3; [L126] state_20 = init_21_arg_1 [L127] SORT_2 init_23_arg_1 = var_3; [L128] state_22 = init_23_arg_1 [L129] SORT_2 init_25_arg_1 = var_3; [L130] state_24 = init_25_arg_1 [L131] SORT_2 init_27_arg_1 = var_3; [L132] state_26 = init_27_arg_1 [L133] SORT_2 init_29_arg_1 = var_3; [L134] state_28 = init_29_arg_1 [L135] SORT_2 init_31_arg_1 = var_3; [L136] state_30 = init_31_arg_1 [L137] SORT_2 init_33_arg_1 = var_3; [L138] state_32 = init_33_arg_1 [L139] SORT_2 init_35_arg_1 = var_3; [L140] state_34 = init_35_arg_1 [L141] SORT_2 init_37_arg_1 = var_3; [L142] state_36 = init_37_arg_1 [L143] SORT_2 init_39_arg_1 = var_3; [L144] state_38 = init_39_arg_1 [L145] SORT_2 init_41_arg_1 = var_3; [L146] state_40 = init_41_arg_1 [L147] SORT_2 init_43_arg_1 = var_3; [L148] state_42 = init_43_arg_1 [L149] SORT_2 init_45_arg_1 = var_3; [L150] state_44 = init_45_arg_1 [L151] SORT_2 init_47_arg_1 = var_3; [L152] state_46 = init_47_arg_1 [L153] SORT_2 init_49_arg_1 = var_3; [L154] state_48 = init_49_arg_1 [L155] SORT_2 init_51_arg_1 = var_3; [L156] state_50 = init_51_arg_1 [L157] SORT_2 init_53_arg_1 = var_3; [L158] state_52 = init_53_arg_1 [L159] SORT_2 init_55_arg_1 = var_3; [L160] state_54 = init_55_arg_1 [L161] SORT_2 init_57_arg_1 = var_3; [L162] state_56 = init_57_arg_1 [L163] SORT_1 init_60_arg_1 = var_58; [L164] state_59 = init_60_arg_1 [L165] SORT_1 init_62_arg_1 = var_58; [L166] state_61 = init_62_arg_1 [L167] SORT_1 init_64_arg_1 = var_58; [L168] state_63 = init_64_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_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_5_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_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_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_4=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_6=0, state_8=0, var_3=0, var_58=0, var_68=1, var_78=2, var_82=255, var_84=0] [L171] input_67 = __VERIFIER_nondet_uchar() [L172] EXPR input_67 & mask_SORT_1 [L172] input_67 = input_67 & mask_SORT_1 [L173] input_71 = __VERIFIER_nondet_uchar() [L174] EXPR input_71 & mask_SORT_1 [L174] input_71 = input_71 & mask_SORT_1 [L175] input_74 = __VERIFIER_nondet_uchar() [L176] EXPR input_74 & mask_SORT_1 [L176] input_74 = input_74 & mask_SORT_1 [L177] input_77 = __VERIFIER_nondet_uchar() [L178] EXPR input_77 & mask_SORT_1 [L178] input_77 = input_77 & mask_SORT_1 [L179] input_79 = __VERIFIER_nondet_uchar() [L180] EXPR input_79 & mask_SORT_1 [L180] input_79 = input_79 & mask_SORT_1 [L181] input_80 = __VERIFIER_nondet_uchar() [L182] EXPR input_80 & mask_SORT_1 [L182] input_80 = input_80 & mask_SORT_1 [L183] input_81 = __VERIFIER_nondet_uchar() [L184] EXPR input_81 & mask_SORT_1 [L184] input_81 = input_81 & mask_SORT_1 [L185] input_83 = __VERIFIER_nondet_uchar() [L186] EXPR input_83 & mask_SORT_1 [L186] input_83 = input_83 & mask_SORT_1 [L187] input_92 = __VERIFIER_nondet_uchar() [L188] EXPR input_92 & mask_SORT_1 [L188] input_92 = input_92 & mask_SORT_1 [L189] input_93 = __VERIFIER_nondet_uchar() [L190] EXPR input_93 & mask_SORT_1 [L190] input_93 = input_93 & mask_SORT_1 [L191] input_94 = __VERIFIER_nondet_uchar() [L192] EXPR input_94 & mask_SORT_1 [L192] input_94 = input_94 & mask_SORT_1 [L193] input_95 = __VERIFIER_nondet_uchar() [L194] EXPR input_95 & mask_SORT_1 [L194] input_95 = input_95 & mask_SORT_1 [L195] input_96 = __VERIFIER_nondet_uchar() [L196] EXPR input_96 & mask_SORT_1 [L196] input_96 = input_96 & mask_SORT_1 [L197] input_106 = __VERIFIER_nondet_uchar() [L198] EXPR input_106 & mask_SORT_1 [L198] input_106 = input_106 & mask_SORT_1 [L199] input_107 = __VERIFIER_nondet_uchar() [L200] EXPR input_107 & mask_SORT_1 [L200] input_107 = input_107 & mask_SORT_1 [L201] input_108 = __VERIFIER_nondet_uchar() [L202] EXPR input_108 & mask_SORT_1 [L202] input_108 = input_108 & mask_SORT_1 [L203] input_109 = __VERIFIER_nondet_uchar() [L204] EXPR input_109 & mask_SORT_1 [L204] input_109 = input_109 & mask_SORT_1 [L205] input_110 = __VERIFIER_nondet_uchar() [L206] EXPR input_110 & mask_SORT_1 [L206] input_110 = input_110 & mask_SORT_1 [L207] input_133 = __VERIFIER_nondet_uchar() [L208] EXPR input_133 & mask_SORT_1 [L208] input_133 = input_133 & mask_SORT_1 [L209] input_134 = __VERIFIER_nondet_uchar() [L210] EXPR input_134 & mask_SORT_1 [L210] input_134 = input_134 & mask_SORT_1 [L211] input_135 = __VERIFIER_nondet_uchar() [L212] EXPR input_135 & mask_SORT_1 [L212] input_135 = input_135 & mask_SORT_1 [L213] input_136 = __VERIFIER_nondet_uchar() [L214] EXPR input_136 & mask_SORT_1 [L214] input_136 = input_136 & mask_SORT_1 [L215] input_145 = __VERIFIER_nondet_uchar() [L216] EXPR input_145 & mask_SORT_1 [L216] input_145 = input_145 & mask_SORT_1 [L217] input_146 = __VERIFIER_nondet_uchar() [L218] EXPR input_146 & mask_SORT_1 [L218] input_146 = input_146 & mask_SORT_1 [L219] input_147 = __VERIFIER_nondet_uchar() [L220] EXPR input_147 & mask_SORT_1 [L220] input_147 = input_147 & mask_SORT_1 [L221] input_148 = __VERIFIER_nondet_uchar() [L222] EXPR input_148 & mask_SORT_1 [L222] input_148 = input_148 & mask_SORT_1 [L223] input_159 = __VERIFIER_nondet_uchar() [L224] EXPR input_159 & mask_SORT_1 [L224] input_159 = input_159 & mask_SORT_1 [L225] input_160 = __VERIFIER_nondet_uchar() [L226] EXPR input_160 & mask_SORT_1 [L226] input_160 = input_160 & mask_SORT_1 [L227] input_161 = __VERIFIER_nondet_uchar() [L228] EXPR input_161 & mask_SORT_1 [L228] input_161 = input_161 & mask_SORT_1 [L229] input_162 = __VERIFIER_nondet_uchar() [L230] EXPR input_162 & mask_SORT_1 [L230] input_162 = input_162 & mask_SORT_1 [L231] input_173 = __VERIFIER_nondet_uchar() [L232] EXPR input_173 & mask_SORT_1 [L232] input_173 = input_173 & mask_SORT_1 [L233] input_174 = __VERIFIER_nondet_uchar() [L234] EXPR input_174 & mask_SORT_1 [L234] input_174 = input_174 & mask_SORT_1 [L235] input_183 = __VERIFIER_nondet_uchar() [L236] EXPR input_183 & mask_SORT_1 [L236] input_183 = input_183 & mask_SORT_1 [L237] input_184 = __VERIFIER_nondet_uchar() [L238] EXPR input_184 & mask_SORT_1 [L238] input_184 = input_184 & mask_SORT_1 [L239] input_193 = __VERIFIER_nondet_uchar() [L240] EXPR input_193 & mask_SORT_1 [L240] input_193 = input_193 & mask_SORT_1 [L241] input_194 = __VERIFIER_nondet_uchar() [L242] EXPR input_194 & mask_SORT_1 [L242] input_194 = input_194 & mask_SORT_1 [L243] input_201 = __VERIFIER_nondet_uchar() [L244] EXPR input_201 & mask_SORT_1 [L244] input_201 = input_201 & mask_SORT_1 [L245] input_334 = __VERIFIER_nondet_uchar() [L248] SORT_1 var_65_arg_0 = state_61; [L249] SORT_1 var_65_arg_1 = ~state_63; [L250] EXPR var_65_arg_1 & mask_SORT_1 [L250] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L251] EXPR var_65_arg_0 & var_65_arg_1 [L251] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L252] EXPR var_65 & mask_SORT_1 [L252] var_65 = var_65 & mask_SORT_1 [L253] SORT_1 bad_66_arg_0 = var_65; [L254] CALL __VERIFIER_assert(!(bad_66_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: 0.4s, 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 20:51:46,026 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...