/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.3.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:08:21,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:08:21,529 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 20:08:21,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:08:21,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:08:21,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:08:21,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:08:21,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:08:21,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:08:21,613 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:08:21,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:08:21,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:08:21,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:08:21,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:08:21,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:08:21,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:08:21,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:08:21,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:08:21,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:08:21,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:08:21,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:08:21,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:08:21,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:08:21,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:08:21,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:08:21,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:08:21,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:08:21,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:08:21,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:08:21,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:08:21,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:08:21,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:08:21,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:08:21,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:08:21,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:08:21,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:08:21,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:08:21,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:08:21,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:08:21,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:08:21,837 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:08:21,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c [2023-12-16 20:08:22,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:08:23,146 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:08:23,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c [2023-12-16 20:08:23,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a01ba1301/ce83c057924049db94cd1e7f4f064cb0/FLAG2c7a527ed [2023-12-16 20:08:23,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a01ba1301/ce83c057924049db94cd1e7f4f064cb0 [2023-12-16 20:08:23,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:08:23,180 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:08:23,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:08:23,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:08:23,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:08:23,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:23,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446189da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23, skipping insertion in model container [2023-12-16 20:08:23,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:23,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:08:23,412 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.3.prop1-back-serstep.c[1174,1187] [2023-12-16 20:08:23,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:08:23,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:08:23,823 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.3.prop1-back-serstep.c[1174,1187] [2023-12-16 20:08:23,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:08:23,964 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:08:23,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23 WrapperNode [2023-12-16 20:08:23,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:08:23,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:08:23,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:08:23,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:08:23,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,180 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5023 [2023-12-16 20:08:24,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:08:24,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:08:24,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:08:24,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:08:24,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,334 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 20:08:24,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:08:24,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:08:24,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:08:24,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:08:24,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (1/1) ... [2023-12-16 20:08:24,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:08:24,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:08:24,535 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 20:08:24,550 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 20:08:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:08:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:08:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:08:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:08:25,063 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:08:25,065 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:08:34,964 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:08:35,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:08:35,092 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:08:35,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:08:35 BoogieIcfgContainer [2023-12-16 20:08:35,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:08:35,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:08:35,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:08:35,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:08:35,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:08:23" (1/3) ... [2023-12-16 20:08:35,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ab438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:08:35, skipping insertion in model container [2023-12-16 20:08:35,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:08:23" (2/3) ... [2023-12-16 20:08:35,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ab438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:08:35, skipping insertion in model container [2023-12-16 20:08:35,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:08:35" (3/3) ... [2023-12-16 20:08:35,100 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.blocks.3.prop1-back-serstep.c [2023-12-16 20:08:35,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:08:35,112 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:08:35,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:08:35,152 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;@2d6b2579, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:08:35,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:08:35,155 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 20:08:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:08:35,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:08:35,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:08:35,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:08:35,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:08:35,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:08:35,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:08:35,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882090340] [2023-12-16 20:08:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:08:35,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:08:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:08:35,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:08:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:08:35,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:08:35,763 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:08:35,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:08:35,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:08:35,769 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:08:35,771 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:08:35,806 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:08:35,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:08:35 BoogieIcfgContainer [2023-12-16 20:08:35,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:08:35,835 INFO L158 Benchmark]: Toolchain (without parser) took 12653.68ms. Allocated memory was 294.6MB in the beginning and 605.0MB in the end (delta: 310.4MB). Free memory was 238.2MB in the beginning and 209.0MB in the end (delta: 29.2MB). Peak memory consumption was 338.6MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,835 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:08:35,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.59ms. Allocated memory is still 294.6MB. Free memory was 237.9MB in the beginning and 162.5MB in the end (delta: 75.4MB). Peak memory consumption was 76.3MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.03ms. Allocated memory is still 294.6MB. Free memory was 162.5MB in the beginning and 116.4MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,839 INFO L158 Benchmark]: Boogie Preprocessor took 329.72ms. Allocated memory is still 294.6MB. Free memory was 116.4MB in the beginning and 218.2MB in the end (delta: -101.8MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,839 INFO L158 Benchmark]: RCFGBuilder took 10581.94ms. Allocated memory was 294.6MB in the beginning and 605.0MB in the end (delta: 310.4MB). Free memory was 217.6MB in the beginning and 310.2MB in the end (delta: -92.5MB). Peak memory consumption was 367.3MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,840 INFO L158 Benchmark]: TraceAbstraction took 738.00ms. Allocated memory is still 605.0MB. Free memory was 309.1MB in the beginning and 209.0MB in the end (delta: 100.1MB). Peak memory consumption was 100.7MB. Max. memory is 8.0GB. [2023-12-16 20:08:35,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 782.59ms. Allocated memory is still 294.6MB. Free memory was 237.9MB in the beginning and 162.5MB in the end (delta: 75.4MB). Peak memory consumption was 76.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 215.03ms. Allocated memory is still 294.6MB. Free memory was 162.5MB in the beginning and 116.4MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 329.72ms. Allocated memory is still 294.6MB. Free memory was 116.4MB in the beginning and 218.2MB in the end (delta: -101.8MB). Peak memory consumption was 67.0MB. Max. memory is 8.0GB. * RCFGBuilder took 10581.94ms. Allocated memory was 294.6MB in the beginning and 605.0MB in the end (delta: 310.4MB). Free memory was 217.6MB in the beginning and 310.2MB in the end (delta: -92.5MB). Peak memory consumption was 367.3MB. Max. memory is 8.0GB. * TraceAbstraction took 738.00ms. Allocated memory is still 605.0MB. Free memory was 309.1MB in the beginning and 209.0MB in the end (delta: 100.1MB). Peak memory consumption was 100.7MB. 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 164. 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_38 = 0; [L34] const SORT_2 var_51 = 2; [L35] const SORT_2 var_54 = 254; [L36] const SORT_2 var_59 = 0; [L37] const SORT_2 var_62 = 1; [L38] const SORT_2 var_65 = 4; [L39] const SORT_2 var_88 = 253; [L40] const SORT_1 var_133 = 1; [L41] const SORT_2 var_136 = 5; [L42] const SORT_2 var_140 = 7; [L43] const SORT_2 var_147 = 6; [L44] const SORT_2 var_222 = 255; [L45] const SORT_2 var_260 = 3; [L47] SORT_2 input_93; [L48] SORT_2 input_95; [L49] SORT_2 input_97; [L50] SORT_2 input_99; [L51] SORT_2 input_101; [L52] SORT_2 input_103; [L53] SORT_2 input_105; [L54] SORT_2 input_107; [L55] SORT_2 input_109; [L56] SORT_2 input_111; [L57] SORT_2 input_113; [L58] SORT_2 input_115; [L59] SORT_2 input_117; [L60] SORT_2 input_119; [L61] SORT_2 input_121; [L62] SORT_2 input_123; [L63] SORT_2 input_125; [L64] SORT_1 input_127; [L65] SORT_1 input_129; [L66] SORT_1 input_131; [L67] SORT_1 input_135; [L68] SORT_1 input_154; [L69] SORT_1 input_162; [L70] SORT_1 input_170; [L71] SORT_1 input_178; [L72] SORT_1 input_186; [L73] SORT_1 input_194; [L74] SORT_1 input_202; [L75] SORT_1 input_210; [L76] SORT_1 input_218; [L77] SORT_1 input_229; [L78] SORT_1 input_242; [L79] SORT_1 input_258; [L80] SORT_1 input_278; [L81] SORT_1 input_300; [L82] SORT_1 input_325; [L83] SORT_1 input_353; [L84] SORT_1 input_384; [L85] SORT_1 input_427; [L86] SORT_1 input_472; [L87] SORT_1 input_503; [L88] SORT_1 input_535; [L89] SORT_1 input_568; [L90] SORT_1 input_602; [L91] SORT_1 input_637; [L92] SORT_1 input_674; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_2 init_5_arg_1 = var_3; [L118] state_4 = init_5_arg_1 [L119] SORT_2 init_7_arg_1 = var_3; [L120] state_6 = init_7_arg_1 [L121] SORT_2 init_9_arg_1 = var_3; [L122] state_8 = init_9_arg_1 [L123] SORT_2 init_11_arg_1 = var_3; [L124] state_10 = init_11_arg_1 [L125] SORT_2 init_13_arg_1 = var_3; [L126] state_12 = init_13_arg_1 [L127] SORT_2 init_15_arg_1 = var_3; [L128] state_14 = init_15_arg_1 [L129] SORT_2 init_17_arg_1 = var_3; [L130] state_16 = init_17_arg_1 [L131] SORT_2 init_19_arg_1 = var_3; [L132] state_18 = init_19_arg_1 [L133] SORT_2 init_21_arg_1 = var_3; [L134] state_20 = init_21_arg_1 [L135] SORT_2 init_23_arg_1 = var_3; [L136] state_22 = init_23_arg_1 [L137] SORT_2 init_25_arg_1 = var_3; [L138] state_24 = init_25_arg_1 [L139] SORT_2 init_27_arg_1 = var_3; [L140] state_26 = init_27_arg_1 [L141] SORT_2 init_29_arg_1 = var_3; [L142] state_28 = init_29_arg_1 [L143] SORT_2 init_31_arg_1 = var_3; [L144] state_30 = init_31_arg_1 [L145] SORT_2 init_33_arg_1 = var_3; [L146] state_32 = init_33_arg_1 [L147] SORT_2 init_35_arg_1 = var_3; [L148] state_34 = init_35_arg_1 [L149] SORT_2 init_37_arg_1 = var_3; [L150] state_36 = init_37_arg_1 [L151] SORT_1 init_40_arg_1 = var_38; [L152] state_39 = init_40_arg_1 [L153] SORT_1 init_42_arg_1 = var_38; [L154] state_41 = init_42_arg_1 [L155] SORT_1 init_44_arg_1 = var_38; [L156] state_43 = init_44_arg_1 [L157] SORT_1 init_46_arg_1 = var_38; [L158] state_45 = init_46_arg_1 [L159] SORT_1 init_48_arg_1 = var_38; [L160] state_47 = init_48_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_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_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_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_4=0, state_6=0, state_8=0, var_133=1, var_136=5, var_140=7, var_147=6, var_222=255, var_260=3, var_38=0, var_3=0, var_51=2, var_54=254, var_59=0, var_62=1, var_65=4, var_88=253] [L163] input_93 = __VERIFIER_nondet_uchar() [L164] EXPR input_93 & mask_SORT_2 [L164] input_93 = input_93 & mask_SORT_2 [L165] input_95 = __VERIFIER_nondet_uchar() [L166] EXPR input_95 & mask_SORT_2 [L166] input_95 = input_95 & mask_SORT_2 [L167] input_97 = __VERIFIER_nondet_uchar() [L168] EXPR input_97 & mask_SORT_2 [L168] input_97 = input_97 & mask_SORT_2 [L169] input_99 = __VERIFIER_nondet_uchar() [L170] EXPR input_99 & mask_SORT_2 [L170] input_99 = input_99 & mask_SORT_2 [L171] input_101 = __VERIFIER_nondet_uchar() [L172] EXPR input_101 & mask_SORT_2 [L172] input_101 = input_101 & mask_SORT_2 [L173] input_103 = __VERIFIER_nondet_uchar() [L174] EXPR input_103 & mask_SORT_2 [L174] input_103 = input_103 & mask_SORT_2 [L175] input_105 = __VERIFIER_nondet_uchar() [L176] EXPR input_105 & mask_SORT_2 [L176] input_105 = input_105 & mask_SORT_2 [L177] input_107 = __VERIFIER_nondet_uchar() [L178] EXPR input_107 & mask_SORT_2 [L178] input_107 = input_107 & mask_SORT_2 [L179] input_109 = __VERIFIER_nondet_uchar() [L180] EXPR input_109 & mask_SORT_2 [L180] input_109 = input_109 & mask_SORT_2 [L181] input_111 = __VERIFIER_nondet_uchar() [L182] EXPR input_111 & mask_SORT_2 [L182] input_111 = input_111 & mask_SORT_2 [L183] input_113 = __VERIFIER_nondet_uchar() [L184] EXPR input_113 & mask_SORT_2 [L184] input_113 = input_113 & mask_SORT_2 [L185] input_115 = __VERIFIER_nondet_uchar() [L186] EXPR input_115 & mask_SORT_2 [L186] input_115 = input_115 & mask_SORT_2 [L187] input_117 = __VERIFIER_nondet_uchar() [L188] EXPR input_117 & mask_SORT_2 [L188] input_117 = input_117 & mask_SORT_2 [L189] input_119 = __VERIFIER_nondet_uchar() [L190] EXPR input_119 & mask_SORT_2 [L190] input_119 = input_119 & mask_SORT_2 [L191] input_121 = __VERIFIER_nondet_uchar() [L192] EXPR input_121 & mask_SORT_2 [L192] input_121 = input_121 & mask_SORT_2 [L193] input_123 = __VERIFIER_nondet_uchar() [L194] EXPR input_123 & mask_SORT_2 [L194] input_123 = input_123 & mask_SORT_2 [L195] input_125 = __VERIFIER_nondet_uchar() [L196] EXPR input_125 & mask_SORT_2 [L196] input_125 = input_125 & mask_SORT_2 [L197] input_127 = __VERIFIER_nondet_uchar() [L198] EXPR input_127 & mask_SORT_1 [L198] input_127 = input_127 & mask_SORT_1 [L199] input_129 = __VERIFIER_nondet_uchar() [L200] EXPR input_129 & mask_SORT_1 [L200] input_129 = input_129 & mask_SORT_1 [L201] input_131 = __VERIFIER_nondet_uchar() [L202] EXPR input_131 & mask_SORT_1 [L202] input_131 = input_131 & mask_SORT_1 [L203] input_135 = __VERIFIER_nondet_uchar() [L204] input_154 = __VERIFIER_nondet_uchar() [L205] EXPR input_154 & mask_SORT_1 [L205] input_154 = input_154 & mask_SORT_1 [L206] input_162 = __VERIFIER_nondet_uchar() [L207] EXPR input_162 & mask_SORT_1 [L207] input_162 = input_162 & mask_SORT_1 [L208] input_170 = __VERIFIER_nondet_uchar() [L209] EXPR input_170 & mask_SORT_1 [L209] input_170 = input_170 & mask_SORT_1 [L210] input_178 = __VERIFIER_nondet_uchar() [L211] EXPR input_178 & mask_SORT_1 [L211] input_178 = input_178 & mask_SORT_1 [L212] input_186 = __VERIFIER_nondet_uchar() [L213] EXPR input_186 & mask_SORT_1 [L213] input_186 = input_186 & mask_SORT_1 [L214] input_194 = __VERIFIER_nondet_uchar() [L215] EXPR input_194 & mask_SORT_1 [L215] input_194 = input_194 & mask_SORT_1 [L216] input_202 = __VERIFIER_nondet_uchar() [L217] EXPR input_202 & mask_SORT_1 [L217] input_202 = input_202 & mask_SORT_1 [L218] input_210 = __VERIFIER_nondet_uchar() [L219] EXPR input_210 & mask_SORT_1 [L219] input_210 = input_210 & mask_SORT_1 [L220] input_218 = __VERIFIER_nondet_uchar() [L221] EXPR input_218 & mask_SORT_1 [L221] input_218 = input_218 & mask_SORT_1 [L222] input_229 = __VERIFIER_nondet_uchar() [L223] EXPR input_229 & mask_SORT_1 [L223] input_229 = input_229 & mask_SORT_1 [L224] input_242 = __VERIFIER_nondet_uchar() [L225] EXPR input_242 & mask_SORT_1 [L225] input_242 = input_242 & mask_SORT_1 [L226] input_258 = __VERIFIER_nondet_uchar() [L227] EXPR input_258 & mask_SORT_1 [L227] input_258 = input_258 & mask_SORT_1 [L228] input_278 = __VERIFIER_nondet_uchar() [L229] EXPR input_278 & mask_SORT_1 [L229] input_278 = input_278 & mask_SORT_1 [L230] input_300 = __VERIFIER_nondet_uchar() [L231] EXPR input_300 & mask_SORT_1 [L231] input_300 = input_300 & mask_SORT_1 [L232] input_325 = __VERIFIER_nondet_uchar() [L233] EXPR input_325 & mask_SORT_1 [L233] input_325 = input_325 & mask_SORT_1 [L234] input_353 = __VERIFIER_nondet_uchar() [L235] EXPR input_353 & mask_SORT_1 [L235] input_353 = input_353 & mask_SORT_1 [L236] input_384 = __VERIFIER_nondet_uchar() [L237] EXPR input_384 & mask_SORT_1 [L237] input_384 = input_384 & mask_SORT_1 [L238] input_427 = __VERIFIER_nondet_uchar() [L239] EXPR input_427 & mask_SORT_1 [L239] input_427 = input_427 & mask_SORT_1 [L240] input_472 = __VERIFIER_nondet_uchar() [L241] EXPR input_472 & mask_SORT_1 [L241] input_472 = input_472 & mask_SORT_1 [L242] input_503 = __VERIFIER_nondet_uchar() [L243] EXPR input_503 & mask_SORT_1 [L243] input_503 = input_503 & mask_SORT_1 [L244] input_535 = __VERIFIER_nondet_uchar() [L245] EXPR input_535 & mask_SORT_1 [L245] input_535 = input_535 & mask_SORT_1 [L246] input_568 = __VERIFIER_nondet_uchar() [L247] EXPR input_568 & mask_SORT_1 [L247] input_568 = input_568 & mask_SORT_1 [L248] input_602 = __VERIFIER_nondet_uchar() [L249] EXPR input_602 & mask_SORT_1 [L249] input_602 = input_602 & mask_SORT_1 [L250] input_637 = __VERIFIER_nondet_uchar() [L251] EXPR input_637 & mask_SORT_1 [L251] input_637 = input_637 & mask_SORT_1 [L252] input_674 = __VERIFIER_nondet_uchar() [L253] EXPR input_674 & mask_SORT_1 [L253] input_674 = input_674 & mask_SORT_1 [L256] SORT_1 var_49_arg_0 = state_39; [L257] SORT_1 var_49_arg_1 = ~state_41; [L258] EXPR var_49_arg_1 & mask_SORT_1 [L258] var_49_arg_1 = var_49_arg_1 & mask_SORT_1 [L259] EXPR var_49_arg_0 & var_49_arg_1 [L259] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L260] SORT_1 var_50_arg_0 = var_49; [L261] SORT_1 var_50_arg_1 = ~state_43; [L262] EXPR var_50_arg_1 & mask_SORT_1 [L262] var_50_arg_1 = var_50_arg_1 & mask_SORT_1 [L263] EXPR var_50_arg_0 & var_50_arg_1 [L263] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L264] SORT_2 var_52_arg_0 = var_51; [L265] SORT_2 var_52_arg_1 = state_4; [L266] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L267] SORT_1 var_53_arg_0 = var_50; [L268] SORT_1 var_53_arg_1 = var_52; [L269] EXPR var_53_arg_0 & var_53_arg_1 [L269] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L270] SORT_2 var_55_arg_0 = var_54; [L271] SORT_2 var_55_arg_1 = state_6; [L272] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L273] SORT_1 var_56_arg_0 = var_53; [L274] SORT_1 var_56_arg_1 = var_55; [L275] EXPR var_56_arg_0 & var_56_arg_1 [L275] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L276] SORT_2 var_57_arg_0 = var_54; [L277] SORT_2 var_57_arg_1 = state_8; [L278] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L279] SORT_1 var_58_arg_0 = var_56; [L280] SORT_1 var_58_arg_1 = var_57; [L281] EXPR var_58_arg_0 & var_58_arg_1 [L281] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L282] SORT_2 var_60_arg_0 = var_59; [L283] SORT_2 var_60_arg_1 = state_10; [L284] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L285] SORT_1 var_61_arg_0 = var_58; [L286] SORT_1 var_61_arg_1 = var_60; [L287] EXPR var_61_arg_0 & var_61_arg_1 [L287] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L288] SORT_2 var_63_arg_0 = var_62; [L289] SORT_2 var_63_arg_1 = state_12; [L290] SORT_1 var_63 = var_63_arg_0 == var_63_arg_1; [L291] SORT_1 var_64_arg_0 = var_61; [L292] SORT_1 var_64_arg_1 = var_63; [L293] EXPR var_64_arg_0 & var_64_arg_1 [L293] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L294] SORT_2 var_66_arg_0 = var_65; [L295] SORT_2 var_66_arg_1 = state_14; [L296] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L297] SORT_1 var_67_arg_0 = var_64; [L298] SORT_1 var_67_arg_1 = var_66; [L299] EXPR var_67_arg_0 & var_67_arg_1 [L299] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L300] SORT_2 var_68_arg_0 = var_54; [L301] SORT_2 var_68_arg_1 = state_16; [L302] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L303] SORT_1 var_69_arg_0 = var_67; [L304] SORT_1 var_69_arg_1 = var_68; [L305] EXPR var_69_arg_0 & var_69_arg_1 [L305] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L306] SORT_2 var_70_arg_0 = var_54; [L307] SORT_2 var_70_arg_1 = state_18; [L308] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L309] SORT_1 var_71_arg_0 = var_69; [L310] SORT_1 var_71_arg_1 = var_70; [L311] EXPR var_71_arg_0 & var_71_arg_1 [L311] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L312] SORT_2 var_72_arg_0 = var_59; [L313] SORT_2 var_72_arg_1 = state_20; [L314] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L315] SORT_1 var_73_arg_0 = var_71; [L316] SORT_1 var_73_arg_1 = var_72; [L317] EXPR var_73_arg_0 & var_73_arg_1 [L317] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L318] SORT_2 var_74_arg_0 = var_59; [L319] SORT_2 var_74_arg_1 = state_22; [L320] SORT_1 var_74 = var_74_arg_0 == var_74_arg_1; [L321] SORT_1 var_75_arg_0 = var_73; [L322] SORT_1 var_75_arg_1 = var_74; [L323] EXPR var_75_arg_0 & var_75_arg_1 [L323] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L324] SORT_2 var_76_arg_0 = var_59; [L325] SORT_2 var_76_arg_1 = state_24; [L326] SORT_1 var_76 = var_76_arg_0 == var_76_arg_1; [L327] SORT_1 var_77_arg_0 = var_75; [L328] SORT_1 var_77_arg_1 = var_76; [L329] EXPR var_77_arg_0 & var_77_arg_1 [L329] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L330] SORT_2 var_78_arg_0 = var_62; [L331] SORT_2 var_78_arg_1 = state_26; [L332] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L333] SORT_1 var_79_arg_0 = var_77; [L334] SORT_1 var_79_arg_1 = var_78; [L335] EXPR var_79_arg_0 & var_79_arg_1 [L335] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L336] SORT_2 var_80_arg_0 = var_59; [L337] SORT_2 var_80_arg_1 = state_28; [L338] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L339] SORT_1 var_81_arg_0 = var_79; [L340] SORT_1 var_81_arg_1 = var_80; [L341] EXPR var_81_arg_0 & var_81_arg_1 [L341] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L342] SORT_2 var_82_arg_0 = var_62; [L343] SORT_2 var_82_arg_1 = state_30; [L344] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L345] SORT_1 var_83_arg_0 = var_81; [L346] SORT_1 var_83_arg_1 = var_82; [L347] EXPR var_83_arg_0 & var_83_arg_1 [L347] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L348] SORT_2 var_84_arg_0 = var_62; [L349] SORT_2 var_84_arg_1 = state_32; [L350] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L351] SORT_1 var_85_arg_0 = var_83; [L352] SORT_1 var_85_arg_1 = var_84; [L353] EXPR var_85_arg_0 & var_85_arg_1 [L353] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L354] SORT_2 var_86_arg_0 = var_62; [L355] SORT_2 var_86_arg_1 = state_34; [L356] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L357] SORT_1 var_87_arg_0 = var_85; [L358] SORT_1 var_87_arg_1 = var_86; [L359] EXPR var_87_arg_0 & var_87_arg_1 [L359] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L360] SORT_2 var_89_arg_0 = var_88; [L361] SORT_2 var_89_arg_1 = state_36; [L362] SORT_1 var_89 = var_89_arg_0 == var_89_arg_1; [L363] SORT_1 var_90_arg_0 = var_87; [L364] SORT_1 var_90_arg_1 = var_89; [L365] EXPR var_90_arg_0 & var_90_arg_1 [L365] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L366] SORT_1 var_91_arg_0 = state_47; [L367] SORT_1 var_91_arg_1 = var_90; [L368] EXPR var_91_arg_0 & var_91_arg_1 [L368] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L369] EXPR var_91 & mask_SORT_1 [L369] var_91 = var_91 & mask_SORT_1 [L370] SORT_1 bad_92_arg_0 = var_91; [L371] CALL __VERIFIER_assert(!(bad_92_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 20:08:35,869 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...