/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.fischer.2.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:33:31,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:33:31,808 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 20:33:31,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:33:31,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:33:31,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:33:31,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:33:31,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:33:31,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:33:31,825 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:33:31,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:33:31,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:33:31,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:33:31,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:33:31,826 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:33:31,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:33:31,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:33:31,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:33:31,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:33:31,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:33:31,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:33:31,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:33:31,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:33:31,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:33:31,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:33:31,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:33:31,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:33:31,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:33:31,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:33:31,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:33:31,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:33:31,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:33:31,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:33:31,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:33:31,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:33:31,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:33:31,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:33:31,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:33:31,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:33:31,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:33:31,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:33:32,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:33:32,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:33:32,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:33:32,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:33:32,036 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:33:32,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2023-12-16 20:33:33,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:33:33,239 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:33:33,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2023-12-16 20:33:33,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3f1a2b7/77a9a7306e55434a9fbcd70c389d1a8d/FLAG01b322df1 [2023-12-16 20:33:33,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3f1a2b7/77a9a7306e55434a9fbcd70c389d1a8d [2023-12-16 20:33:33,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:33:33,265 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:33:33,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:33:33,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:33:33,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:33:33,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:33,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e554e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33, skipping insertion in model container [2023-12-16 20:33:33,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:33,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:33:33,457 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.fischer.2.prop1-back-serstep.c[1175,1188] [2023-12-16 20:33:33,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:33:33,721 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:33:33,729 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.fischer.2.prop1-back-serstep.c[1175,1188] [2023-12-16 20:33:33,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:33:33,899 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:33:33,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33 WrapperNode [2023-12-16 20:33:33,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:33:33,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:33:33,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:33:33,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:33:33,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:33,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,015 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2614 [2023-12-16 20:33:34,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:33:34,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:33:34,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:33:34,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:33:34,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,090 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 20:33:34,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:33:34,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:33:34,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:33:34,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:33:34,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (1/1) ... [2023-12-16 20:33:34,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:33:34,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:33:34,205 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 20:33:34,213 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 20:33:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:33:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:33:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:33:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:33:34,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:33:34,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:33:36,397 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:33:36,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:33:36,482 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:33:36,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:33:36 BoogieIcfgContainer [2023-12-16 20:33:36,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:33:36,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:33:36,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:33:36,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:33:36,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:33:33" (1/3) ... [2023-12-16 20:33:36,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335b43bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:33:36, skipping insertion in model container [2023-12-16 20:33:36,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:33" (2/3) ... [2023-12-16 20:33:36,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335b43bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:33:36, skipping insertion in model container [2023-12-16 20:33:36,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:33:36" (3/3) ... [2023-12-16 20:33:36,490 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.2.prop1-back-serstep.c [2023-12-16 20:33:36,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:33:36,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:33:36,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:33:36,538 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;@37a9b623, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:33:36,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:33:36,541 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 20:33:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:33:36,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:33:36,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:33:36,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:33:36,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:33:36,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:33:36,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:33:36,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985108743] [2023-12-16 20:33:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:33:36,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:33:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:33:36,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:33:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:33:36,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:33:36,993 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:33:36,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:33:36,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:33:36,998 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:33:37,001 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:33:37,046 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:33:37,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:33:37 BoogieIcfgContainer [2023-12-16 20:33:37,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:33:37,075 INFO L158 Benchmark]: Toolchain (without parser) took 3809.31ms. Allocated memory was 254.8MB in the beginning and 420.5MB in the end (delta: 165.7MB). Free memory was 197.9MB in the beginning and 116.5MB in the end (delta: 81.4MB). Peak memory consumption was 248.6MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,075 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:33:37,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.64ms. Allocated memory is still 254.8MB. Free memory was 197.4MB in the beginning and 198.0MB in the end (delta: -603.1kB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.85ms. Allocated memory is still 254.8MB. Free memory was 198.0MB in the beginning and 179.6MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,080 INFO L158 Benchmark]: Boogie Preprocessor took 153.53ms. Allocated memory is still 254.8MB. Free memory was 179.6MB in the beginning and 163.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,081 INFO L158 Benchmark]: RCFGBuilder took 2313.50ms. Allocated memory was 254.8MB in the beginning and 420.5MB in the end (delta: 165.7MB). Free memory was 163.4MB in the beginning and 178.9MB in the end (delta: -15.5MB). Peak memory consumption was 223.2MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,081 INFO L158 Benchmark]: TraceAbstraction took 588.27ms. Allocated memory is still 420.5MB. Free memory was 178.4MB in the beginning and 116.5MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-12-16 20:33:37,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 634.64ms. Allocated memory is still 254.8MB. Free memory was 197.4MB in the beginning and 198.0MB in the end (delta: -603.1kB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 114.85ms. Allocated memory is still 254.8MB. Free memory was 198.0MB in the beginning and 179.6MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 153.53ms. Allocated memory is still 254.8MB. Free memory was 179.6MB in the beginning and 163.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * RCFGBuilder took 2313.50ms. Allocated memory was 254.8MB in the beginning and 420.5MB in the end (delta: 165.7MB). Free memory was 163.4MB in the beginning and 178.9MB in the end (delta: -15.5MB). Peak memory consumption was 223.2MB. Max. memory is 8.0GB. * TraceAbstraction took 588.27ms. Allocated memory is still 420.5MB. Free memory was 178.4MB in the beginning and 116.5MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwise operation at line 176. 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_71 = 0; [L41] const SORT_2 var_74 = 255; [L42] const SORT_1 var_129 = 1; [L43] const SORT_2 var_152 = 3; [L44] const SORT_3 var_153 = 0; [L45] const SORT_4 var_155 = 1; [L46] const SORT_4 var_157 = 255; [L47] const SORT_4 var_159 = 0; [L48] const SORT_2 var_174 = 1; [L49] const SORT_2 var_220 = 2; [L50] const SORT_2 var_311 = 4; [L52] SORT_2 input_85; [L53] SORT_2 input_87; [L54] SORT_2 input_89; [L55] SORT_2 input_91; [L56] SORT_2 input_93; [L57] SORT_1 input_95; [L58] SORT_1 input_97; [L59] SORT_1 input_99; [L60] SORT_1 input_101; [L61] SORT_1 input_103; [L62] SORT_1 input_105; [L63] SORT_1 input_107; [L64] SORT_1 input_109; [L65] SORT_1 input_111; [L66] SORT_1 input_113; [L67] SORT_1 input_115; [L68] SORT_1 input_117; [L69] SORT_1 input_119; [L70] SORT_1 input_121; [L71] SORT_1 input_123; [L72] SORT_1 input_125; [L73] SORT_1 input_127; [L74] SORT_1 input_131; [L75] SORT_1 input_141; [L76] SORT_1 input_147; [L77] SORT_1 input_150; [L78] SORT_1 input_171; [L79] SORT_1 input_181; [L80] SORT_1 input_188; [L81] SORT_1 input_191; [L82] SORT_1 input_198; [L83] SORT_1 input_201; [L84] SORT_1 input_217; [L85] SORT_1 input_227; [L86] SORT_1 input_234; [L87] SORT_1 input_237; [L88] SORT_1 input_244; [L89] SORT_1 input_247; [L90] SORT_1 input_263; [L91] SORT_1 input_272; [L92] SORT_1 input_279; [L93] SORT_1 input_282; [L94] SORT_1 input_289; [L95] SORT_1 input_292; [L96] SORT_1 input_308; [L97] SORT_1 input_318; [L98] SORT_1 input_325; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_1 init_18_arg_1 = var_16; [L136] state_17 = init_18_arg_1 [L137] SORT_1 init_20_arg_1 = var_16; [L138] state_19 = init_20_arg_1 [L139] SORT_1 init_22_arg_1 = var_16; [L140] state_21 = init_22_arg_1 [L141] SORT_1 init_24_arg_1 = var_16; [L142] state_23 = init_24_arg_1 [L143] SORT_1 init_26_arg_1 = var_16; [L144] state_25 = init_26_arg_1 [L145] SORT_1 init_28_arg_1 = var_16; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_16; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_16; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_16; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_16; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_16; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_16; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_16; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_16; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_16; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_16; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_16; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_16; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_16; [L172] state_53 = init_54_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_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_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_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_6=0, state_8=0, var_129=1, var_152=3, var_153=0, var_155=1, var_157=255, var_159=0, var_16=0, var_174=1, var_220=2, var_311=4, var_5=0, var_71=0, var_74=255] [L175] input_85 = __VERIFIER_nondet_uchar() [L176] EXPR input_85 & mask_SORT_2 [L176] input_85 = input_85 & mask_SORT_2 [L177] input_87 = __VERIFIER_nondet_uchar() [L178] EXPR input_87 & mask_SORT_2 [L178] input_87 = input_87 & mask_SORT_2 [L179] input_89 = __VERIFIER_nondet_uchar() [L180] EXPR input_89 & mask_SORT_2 [L180] input_89 = input_89 & mask_SORT_2 [L181] input_91 = __VERIFIER_nondet_uchar() [L182] EXPR input_91 & mask_SORT_2 [L182] input_91 = input_91 & mask_SORT_2 [L183] input_93 = __VERIFIER_nondet_uchar() [L184] EXPR input_93 & mask_SORT_2 [L184] input_93 = input_93 & mask_SORT_2 [L185] input_95 = __VERIFIER_nondet_uchar() [L186] EXPR input_95 & mask_SORT_1 [L186] input_95 = input_95 & mask_SORT_1 [L187] input_97 = __VERIFIER_nondet_uchar() [L188] EXPR input_97 & mask_SORT_1 [L188] input_97 = input_97 & mask_SORT_1 [L189] input_99 = __VERIFIER_nondet_uchar() [L190] EXPR input_99 & mask_SORT_1 [L190] input_99 = input_99 & mask_SORT_1 [L191] input_101 = __VERIFIER_nondet_uchar() [L192] EXPR input_101 & mask_SORT_1 [L192] input_101 = input_101 & mask_SORT_1 [L193] input_103 = __VERIFIER_nondet_uchar() [L194] EXPR input_103 & mask_SORT_1 [L194] input_103 = input_103 & mask_SORT_1 [L195] input_105 = __VERIFIER_nondet_uchar() [L196] EXPR input_105 & mask_SORT_1 [L196] input_105 = input_105 & mask_SORT_1 [L197] input_107 = __VERIFIER_nondet_uchar() [L198] EXPR input_107 & mask_SORT_1 [L198] input_107 = input_107 & mask_SORT_1 [L199] input_109 = __VERIFIER_nondet_uchar() [L200] EXPR input_109 & mask_SORT_1 [L200] input_109 = input_109 & mask_SORT_1 [L201] input_111 = __VERIFIER_nondet_uchar() [L202] EXPR input_111 & mask_SORT_1 [L202] input_111 = input_111 & mask_SORT_1 [L203] input_113 = __VERIFIER_nondet_uchar() [L204] EXPR input_113 & mask_SORT_1 [L204] input_113 = input_113 & mask_SORT_1 [L205] input_115 = __VERIFIER_nondet_uchar() [L206] EXPR input_115 & mask_SORT_1 [L206] input_115 = input_115 & mask_SORT_1 [L207] input_117 = __VERIFIER_nondet_uchar() [L208] EXPR input_117 & mask_SORT_1 [L208] input_117 = input_117 & mask_SORT_1 [L209] input_119 = __VERIFIER_nondet_uchar() [L210] EXPR input_119 & mask_SORT_1 [L210] input_119 = input_119 & mask_SORT_1 [L211] input_121 = __VERIFIER_nondet_uchar() [L212] EXPR input_121 & mask_SORT_1 [L212] input_121 = input_121 & mask_SORT_1 [L213] input_123 = __VERIFIER_nondet_uchar() [L214] EXPR input_123 & mask_SORT_1 [L214] input_123 = input_123 & mask_SORT_1 [L215] input_125 = __VERIFIER_nondet_uchar() [L216] EXPR input_125 & mask_SORT_1 [L216] input_125 = input_125 & mask_SORT_1 [L217] input_127 = __VERIFIER_nondet_uchar() [L218] EXPR input_127 & mask_SORT_1 [L218] input_127 = input_127 & mask_SORT_1 [L219] input_131 = __VERIFIER_nondet_uchar() [L220] EXPR input_131 & mask_SORT_1 [L220] input_131 = input_131 & mask_SORT_1 [L221] input_141 = __VERIFIER_nondet_uchar() [L222] EXPR input_141 & mask_SORT_1 [L222] input_141 = input_141 & mask_SORT_1 [L223] input_147 = __VERIFIER_nondet_uchar() [L224] EXPR input_147 & mask_SORT_1 [L224] input_147 = input_147 & mask_SORT_1 [L225] input_150 = __VERIFIER_nondet_uchar() [L226] EXPR input_150 & mask_SORT_1 [L226] input_150 = input_150 & mask_SORT_1 [L227] input_171 = __VERIFIER_nondet_uchar() [L228] input_181 = __VERIFIER_nondet_uchar() [L229] input_188 = __VERIFIER_nondet_uchar() [L230] EXPR input_188 & mask_SORT_1 [L230] input_188 = input_188 & mask_SORT_1 [L231] input_191 = __VERIFIER_nondet_uchar() [L232] EXPR input_191 & mask_SORT_1 [L232] input_191 = input_191 & mask_SORT_1 [L233] input_198 = __VERIFIER_nondet_uchar() [L234] EXPR input_198 & mask_SORT_1 [L234] input_198 = input_198 & mask_SORT_1 [L235] input_201 = __VERIFIER_nondet_uchar() [L236] EXPR input_201 & mask_SORT_1 [L236] input_201 = input_201 & mask_SORT_1 [L237] input_217 = __VERIFIER_nondet_uchar() [L238] input_227 = __VERIFIER_nondet_uchar() [L239] input_234 = __VERIFIER_nondet_uchar() [L240] EXPR input_234 & mask_SORT_1 [L240] input_234 = input_234 & mask_SORT_1 [L241] input_237 = __VERIFIER_nondet_uchar() [L242] EXPR input_237 & mask_SORT_1 [L242] input_237 = input_237 & mask_SORT_1 [L243] input_244 = __VERIFIER_nondet_uchar() [L244] EXPR input_244 & mask_SORT_1 [L244] input_244 = input_244 & mask_SORT_1 [L245] input_247 = __VERIFIER_nondet_uchar() [L246] EXPR input_247 & mask_SORT_1 [L246] input_247 = input_247 & mask_SORT_1 [L247] input_263 = __VERIFIER_nondet_uchar() [L248] input_272 = __VERIFIER_nondet_uchar() [L249] input_279 = __VERIFIER_nondet_uchar() [L250] EXPR input_279 & mask_SORT_1 [L250] input_279 = input_279 & mask_SORT_1 [L251] input_282 = __VERIFIER_nondet_uchar() [L252] EXPR input_282 & mask_SORT_1 [L252] input_282 = input_282 & mask_SORT_1 [L253] input_289 = __VERIFIER_nondet_uchar() [L254] EXPR input_289 & mask_SORT_1 [L254] input_289 = input_289 & mask_SORT_1 [L255] input_292 = __VERIFIER_nondet_uchar() [L256] EXPR input_292 & mask_SORT_1 [L256] input_292 = input_292 & mask_SORT_1 [L257] input_308 = __VERIFIER_nondet_uchar() [L258] input_318 = __VERIFIER_nondet_uchar() [L259] input_325 = __VERIFIER_nondet_uchar() [L260] EXPR input_325 & mask_SORT_1 [L260] input_325 = input_325 & mask_SORT_1 [L263] SORT_1 var_55_arg_0 = state_17; [L264] SORT_1 var_55_arg_1 = state_19; [L265] EXPR var_55_arg_0 & var_55_arg_1 [L265] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L266] SORT_1 var_56_arg_0 = var_55; [L267] SORT_1 var_56_arg_1 = ~state_21; [L268] EXPR var_56_arg_1 & mask_SORT_1 [L268] var_56_arg_1 = var_56_arg_1 & mask_SORT_1 [L269] EXPR var_56_arg_0 & var_56_arg_1 [L269] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L270] SORT_1 var_57_arg_0 = var_56; [L271] SORT_1 var_57_arg_1 = ~state_23; [L272] EXPR var_57_arg_1 & mask_SORT_1 [L272] var_57_arg_1 = var_57_arg_1 & mask_SORT_1 [L273] EXPR var_57_arg_0 & var_57_arg_1 [L273] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L274] SORT_1 var_58_arg_0 = var_57; [L275] SORT_1 var_58_arg_1 = ~state_25; [L276] EXPR var_58_arg_1 & mask_SORT_1 [L276] var_58_arg_1 = var_58_arg_1 & mask_SORT_1 [L277] EXPR var_58_arg_0 & var_58_arg_1 [L277] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L278] SORT_1 var_59_arg_0 = var_58; [L279] SORT_1 var_59_arg_1 = state_27; [L280] EXPR var_59_arg_0 & var_59_arg_1 [L280] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L281] SORT_1 var_60_arg_0 = var_59; [L282] SORT_1 var_60_arg_1 = ~state_29; [L283] EXPR var_60_arg_1 & mask_SORT_1 [L283] var_60_arg_1 = var_60_arg_1 & mask_SORT_1 [L284] EXPR var_60_arg_0 & var_60_arg_1 [L284] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L285] SORT_1 var_61_arg_0 = var_60; [L286] SORT_1 var_61_arg_1 = ~state_31; [L287] EXPR var_61_arg_1 & mask_SORT_1 [L287] var_61_arg_1 = var_61_arg_1 & mask_SORT_1 [L288] EXPR var_61_arg_0 & var_61_arg_1 [L288] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L289] SORT_1 var_62_arg_0 = var_61; [L290] SORT_1 var_62_arg_1 = ~state_33; [L291] EXPR var_62_arg_1 & mask_SORT_1 [L291] var_62_arg_1 = var_62_arg_1 & mask_SORT_1 [L292] EXPR var_62_arg_0 & var_62_arg_1 [L292] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L293] SORT_1 var_63_arg_0 = var_62; [L294] SORT_1 var_63_arg_1 = state_35; [L295] EXPR var_63_arg_0 & var_63_arg_1 [L295] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L296] SORT_1 var_64_arg_0 = var_63; [L297] SORT_1 var_64_arg_1 = ~state_37; [L298] EXPR var_64_arg_1 & mask_SORT_1 [L298] var_64_arg_1 = var_64_arg_1 & mask_SORT_1 [L299] EXPR var_64_arg_0 & var_64_arg_1 [L299] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L300] SORT_1 var_65_arg_0 = var_64; [L301] SORT_1 var_65_arg_1 = ~state_39; [L302] EXPR var_65_arg_1 & mask_SORT_1 [L302] var_65_arg_1 = var_65_arg_1 & mask_SORT_1 [L303] EXPR var_65_arg_0 & var_65_arg_1 [L303] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L304] SORT_1 var_66_arg_0 = var_65; [L305] SORT_1 var_66_arg_1 = ~state_41; [L306] EXPR var_66_arg_1 & mask_SORT_1 [L306] var_66_arg_1 = var_66_arg_1 & mask_SORT_1 [L307] EXPR var_66_arg_0 & var_66_arg_1 [L307] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L308] SORT_1 var_67_arg_0 = var_66; [L309] SORT_1 var_67_arg_1 = state_43; [L310] EXPR var_67_arg_0 & var_67_arg_1 [L310] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L311] SORT_1 var_68_arg_0 = var_67; [L312] SORT_1 var_68_arg_1 = ~state_45; [L313] EXPR var_68_arg_1 & mask_SORT_1 [L313] var_68_arg_1 = var_68_arg_1 & mask_SORT_1 [L314] EXPR var_68_arg_0 & var_68_arg_1 [L314] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L315] SORT_1 var_69_arg_0 = var_68; [L316] SORT_1 var_69_arg_1 = ~state_47; [L317] EXPR var_69_arg_1 & mask_SORT_1 [L317] var_69_arg_1 = var_69_arg_1 & mask_SORT_1 [L318] EXPR var_69_arg_0 & var_69_arg_1 [L318] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L319] SORT_1 var_70_arg_0 = var_69; [L320] SORT_1 var_70_arg_1 = ~state_49; [L321] EXPR var_70_arg_1 & mask_SORT_1 [L321] var_70_arg_1 = var_70_arg_1 & mask_SORT_1 [L322] EXPR var_70_arg_0 & var_70_arg_1 [L322] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L323] SORT_2 var_72_arg_0 = var_71; [L324] SORT_2 var_72_arg_1 = state_6; [L325] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L326] SORT_1 var_73_arg_0 = var_70; [L327] SORT_1 var_73_arg_1 = var_72; [L328] EXPR var_73_arg_0 & var_73_arg_1 [L328] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L329] SORT_2 var_75_arg_0 = var_74; [L330] SORT_2 var_75_arg_1 = state_8; [L331] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L332] SORT_1 var_76_arg_0 = var_73; [L333] SORT_1 var_76_arg_1 = var_75; [L334] EXPR var_76_arg_0 & var_76_arg_1 [L334] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L335] SORT_2 var_77_arg_0 = var_74; [L336] SORT_2 var_77_arg_1 = state_10; [L337] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L338] SORT_1 var_78_arg_0 = var_76; [L339] SORT_1 var_78_arg_1 = var_77; [L340] EXPR var_78_arg_0 & var_78_arg_1 [L340] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L341] SORT_2 var_79_arg_0 = var_74; [L342] SORT_2 var_79_arg_1 = state_12; [L343] SORT_1 var_79 = var_79_arg_0 == var_79_arg_1; [L344] SORT_1 var_80_arg_0 = var_78; [L345] SORT_1 var_80_arg_1 = var_79; [L346] EXPR var_80_arg_0 & var_80_arg_1 [L346] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L347] SORT_2 var_81_arg_0 = var_74; [L348] SORT_2 var_81_arg_1 = state_14; [L349] SORT_1 var_81 = var_81_arg_0 == var_81_arg_1; [L350] SORT_1 var_82_arg_0 = var_80; [L351] SORT_1 var_82_arg_1 = var_81; [L352] EXPR var_82_arg_0 & var_82_arg_1 [L352] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L353] SORT_1 var_83_arg_0 = state_53; [L354] SORT_1 var_83_arg_1 = var_82; [L355] EXPR var_83_arg_0 & var_83_arg_1 [L355] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L356] EXPR var_83 & mask_SORT_1 [L356] var_83 = var_83 & mask_SORT_1 [L357] SORT_1 bad_84_arg_0 = var_83; [L358] CALL __VERIFIER_assert(!(bad_84_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 20:33:37,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...