/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.h_Dekker.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:34:42,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:34:42,693 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 20:34:42,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:34:42,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:34:42,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:34:42,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:34:42,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:34:42,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:34:42,728 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:34:42,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:34:42,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:34:42,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:34:42,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:34:42,730 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:34:42,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:34:42,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:34:42,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:34:42,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:34:42,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:34:42,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:34:42,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:34:42,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:34:42,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:34:42,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:34:42,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:34:42,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:34:42,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:34:42,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:34:42,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:34:42,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:34:42,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:34:42,947 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:34:42,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c [2023-12-16 20:34:43,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:34:44,051 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:34:44,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c [2023-12-16 20:34:44,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffcb2108/19dbaefd09d04a96bd2d8d19f3264b87/FLAG34734e032 [2023-12-16 20:34:44,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffcb2108/19dbaefd09d04a96bd2d8d19f3264b87 [2023-12-16 20:34:44,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:34:44,077 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:34:44,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:34:44,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:34:44,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:34:44,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@805e215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44, skipping insertion in model container [2023-12-16 20:34:44,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:34:44,237 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.h_Dekker.c[1248,1261] [2023-12-16 20:34:44,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:34:44,420 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:34:44,429 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.h_Dekker.c[1248,1261] [2023-12-16 20:34:44,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:34:44,524 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:34:44,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44 WrapperNode [2023-12-16 20:34:44,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:34:44,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:34:44,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:34:44,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:34:44,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,632 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-12-16 20:34:44,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:34:44,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:34:44,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:34:44,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:34:44,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,706 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 20:34:44,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:34:44,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:34:44,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:34:44,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:34:44,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (1/1) ... [2023-12-16 20:34:44,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:34:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:34:44,799 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 20:34:44,813 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 20:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:34:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:34:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:34:45,052 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:34:45,053 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:34:45,969 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:34:46,012 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:34:46,012 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:34:46,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:34:46 BoogieIcfgContainer [2023-12-16 20:34:46,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:34:46,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:34:46,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:34:46,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:34:46,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:34:44" (1/3) ... [2023-12-16 20:34:46,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1745f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:34:46, skipping insertion in model container [2023-12-16 20:34:46,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:34:44" (2/3) ... [2023-12-16 20:34:46,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1745f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:34:46, skipping insertion in model container [2023-12-16 20:34:46,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:34:46" (3/3) ... [2023-12-16 20:34:46,019 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Dekker.c [2023-12-16 20:34:46,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:34:46,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:34:46,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:34:46,061 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;@13d573b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:34:46,061 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:34:46,064 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 20:34:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:34:46,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:34:46,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:34:46,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:34:46,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:34:46,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:34:46,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:34:46,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283891656] [2023-12-16 20:34:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:34:46,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:34:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:34:46,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:34:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:34:46,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:34:46,291 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:34:46,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:34:46,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:34:46,298 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:34:46,300 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:34:46,323 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:34:46,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:34:46 BoogieIcfgContainer [2023-12-16 20:34:46,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:34:46,339 INFO L158 Benchmark]: Toolchain (without parser) took 2260.84ms. Allocated memory is still 275.8MB. Free memory was 229.8MB in the beginning and 155.6MB in the end (delta: 74.2MB). Peak memory consumption was 75.3MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,339 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:34:46,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.26ms. Allocated memory is still 275.8MB. Free memory was 229.8MB in the beginning and 188.4MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.26ms. Allocated memory is still 275.8MB. Free memory was 188.4MB in the beginning and 175.3MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,343 INFO L158 Benchmark]: Boogie Preprocessor took 137.57ms. Allocated memory is still 275.8MB. Free memory was 175.3MB in the beginning and 161.5MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,344 INFO L158 Benchmark]: RCFGBuilder took 1242.32ms. Allocated memory is still 275.8MB. Free memory was 161.5MB in the beginning and 186.0MB in the end (delta: -24.5MB). Peak memory consumption was 82.6MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,345 INFO L158 Benchmark]: TraceAbstraction took 322.48ms. Allocated memory is still 275.8MB. Free memory was 185.0MB in the beginning and 155.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-16 20:34:46,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 447.26ms. Allocated memory is still 275.8MB. Free memory was 229.8MB in the beginning and 188.4MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 107.26ms. Allocated memory is still 275.8MB. Free memory was 188.4MB in the beginning and 175.3MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 137.57ms. Allocated memory is still 275.8MB. Free memory was 175.3MB in the beginning and 161.5MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1242.32ms. Allocated memory is still 275.8MB. Free memory was 161.5MB in the beginning and 186.0MB in the end (delta: -24.5MB). Peak memory consumption was 82.6MB. Max. memory is 8.0GB. * TraceAbstraction took 322.48ms. Allocated memory is still 275.8MB. Free memory was 185.0MB in the beginning and 155.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. 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 110. 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_5)-1 >> (sizeof(SORT_5) * 8 - 3) [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L30] EXPR (SORT_5)1 << (3 - 1) [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L32] EXPR (SORT_242)-1 >> (sizeof(SORT_242) * 8 - 2) [L32] const SORT_242 mask_SORT_242 = (SORT_242)-1 >> (sizeof(SORT_242) * 8 - 2); [L33] EXPR (SORT_242)1 << (2 - 1) [L33] const SORT_242 msb_SORT_242 = (SORT_242)1 << (2 - 1); [L35] const SORT_5 var_6 = 0; [L36] const SORT_1 var_11 = 0; [L37] const SORT_5 var_13 = 5; [L38] const SORT_1 var_15 = 1; [L39] const SORT_5 var_33 = 7; [L40] const SORT_5 var_39 = 1; [L41] const SORT_5 var_46 = 2; [L42] const SORT_5 var_60 = 3; [L43] const SORT_5 var_70 = 4; [L44] const SORT_5 var_199 = 6; [L46] SORT_1 input_2; [L47] SORT_1 input_3; [L48] SORT_1 input_4; [L49] SORT_5 input_32; [L50] SORT_1 input_43; [L51] SORT_5 input_79; [L52] SORT_5 input_80; [L53] SORT_5 input_81; [L54] SORT_5 input_82; [L55] SORT_5 input_83; [L56] SORT_5 input_84; [L57] SORT_5 input_85; [L58] SORT_5 input_86; [L59] SORT_5 input_87; [L60] SORT_5 input_97; [L61] SORT_5 input_112; [L62] SORT_5 input_113; [L63] SORT_5 input_129; [L64] SORT_5 input_130; [L65] SORT_5 input_146; [L66] SORT_5 input_147; [L67] SORT_5 input_163; [L68] SORT_5 input_164; [L69] SORT_5 input_180; [L70] SORT_5 input_181; [L71] SORT_5 input_197; [L72] SORT_5 input_198; [L73] SORT_5 input_217; [L74] SORT_1 input_259; [L75] SORT_1 input_265; [L76] SORT_1 input_266; [L77] SORT_1 input_268; [L78] SORT_1 input_277; [L79] SORT_1 input_278; [L80] SORT_1 input_279; [L81] SORT_1 input_287; [L82] SORT_1 input_297; [L83] SORT_1 input_303; [L84] SORT_1 input_304; [L85] SORT_1 input_306; [L86] SORT_1 input_315; [L87] SORT_1 input_316; [L88] SORT_1 input_317; [L89] SORT_1 input_325; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L91] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L92] SORT_5 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] SORT_5 init_8_arg_1 = var_6; [L98] state_7 = init_8_arg_1 [L99] SORT_5 init_10_arg_1 = var_6; [L100] state_9 = init_10_arg_1 [L101] SORT_1 init_26_arg_1 = var_15; [L102] state_25 = init_26_arg_1 [L103] SORT_1 init_28_arg_1 = var_15; [L104] state_27 = init_28_arg_1 VAL [init_10_arg_1=0, init_26_arg_1=1, init_28_arg_1=1, init_8_arg_1=0, mask_SORT_1=0, mask_SORT_242=0, mask_SORT_5=0, msb_SORT_1=0, msb_SORT_242=0, msb_SORT_5=0, state_25=1, state_27=1, state_30=0, state_7=0, state_9=0, var_11=0, var_13=5, var_15=1, var_199=6, var_33=7, var_39=1, var_46=2, var_60=3, var_6=0, var_70=4] [L107] input_2 = __VERIFIER_nondet_uchar() [L108] input_3 = __VERIFIER_nondet_uchar() [L109] input_4 = __VERIFIER_nondet_uchar() [L110] EXPR input_4 & mask_SORT_1 [L110] input_4 = input_4 & mask_SORT_1 [L111] input_32 = __VERIFIER_nondet_uchar() [L112] input_43 = __VERIFIER_nondet_uchar() [L113] input_79 = __VERIFIER_nondet_uchar() [L114] input_80 = __VERIFIER_nondet_uchar() [L115] input_81 = __VERIFIER_nondet_uchar() [L116] input_82 = __VERIFIER_nondet_uchar() [L117] input_83 = __VERIFIER_nondet_uchar() [L118] input_84 = __VERIFIER_nondet_uchar() [L119] input_85 = __VERIFIER_nondet_uchar() [L120] input_86 = __VERIFIER_nondet_uchar() [L121] input_87 = __VERIFIER_nondet_uchar() [L122] input_97 = __VERIFIER_nondet_uchar() [L123] input_112 = __VERIFIER_nondet_uchar() [L124] input_113 = __VERIFIER_nondet_uchar() [L125] input_129 = __VERIFIER_nondet_uchar() [L126] input_130 = __VERIFIER_nondet_uchar() [L127] input_146 = __VERIFIER_nondet_uchar() [L128] input_147 = __VERIFIER_nondet_uchar() [L129] input_163 = __VERIFIER_nondet_uchar() [L130] input_164 = __VERIFIER_nondet_uchar() [L131] input_180 = __VERIFIER_nondet_uchar() [L132] input_181 = __VERIFIER_nondet_uchar() [L133] input_197 = __VERIFIER_nondet_uchar() [L134] input_198 = __VERIFIER_nondet_uchar() [L135] input_217 = __VERIFIER_nondet_uchar() [L136] input_259 = __VERIFIER_nondet_uchar() [L137] input_265 = __VERIFIER_nondet_uchar() [L138] input_266 = __VERIFIER_nondet_uchar() [L139] input_268 = __VERIFIER_nondet_uchar() [L140] input_277 = __VERIFIER_nondet_uchar() [L141] input_278 = __VERIFIER_nondet_uchar() [L142] input_279 = __VERIFIER_nondet_uchar() [L143] input_287 = __VERIFIER_nondet_uchar() [L144] input_297 = __VERIFIER_nondet_uchar() [L145] input_303 = __VERIFIER_nondet_uchar() [L146] input_304 = __VERIFIER_nondet_uchar() [L147] input_306 = __VERIFIER_nondet_uchar() [L148] input_315 = __VERIFIER_nondet_uchar() [L149] input_316 = __VERIFIER_nondet_uchar() [L150] input_317 = __VERIFIER_nondet_uchar() [L151] input_325 = __VERIFIER_nondet_uchar() [L154] SORT_1 var_12_arg_0 = var_11; [L155] SORT_5 var_12_arg_1 = state_9; [L156] SORT_5 var_12_arg_2 = state_7; [L157] SORT_5 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L158] EXPR var_12 & mask_SORT_5 [L158] var_12 = var_12 & mask_SORT_5 [L159] SORT_5 var_14_arg_0 = var_12; [L160] SORT_5 var_14_arg_1 = var_13; [L161] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L162] SORT_1 var_16_arg_0 = var_15; [L163] SORT_5 var_16_arg_1 = state_9; [L164] SORT_5 var_16_arg_2 = state_7; [L165] SORT_5 var_16 = var_16_arg_0 ? var_16_arg_1 : var_16_arg_2; [L166] EXPR var_16 & mask_SORT_5 [L166] var_16 = var_16 & mask_SORT_5 [L167] SORT_5 var_17_arg_0 = var_16; [L168] SORT_5 var_17_arg_1 = var_13; [L169] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L170] SORT_1 var_18_arg_0 = var_14; [L171] SORT_1 var_18_arg_1 = var_17; [L172] EXPR var_18_arg_0 & var_18_arg_1 [L172] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L173] SORT_1 var_19_arg_0 = var_18; [L174] SORT_1 var_19 = ~var_19_arg_0; [L175] SORT_1 var_22_arg_0 = var_19; [L176] SORT_1 var_22 = ~var_22_arg_0; [L177] SORT_1 var_23_arg_0 = var_15; [L178] SORT_1 var_23_arg_1 = var_22; [L179] EXPR var_23_arg_0 & var_23_arg_1 [L179] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L180] EXPR var_23 & mask_SORT_1 [L180] var_23 = var_23 & mask_SORT_1 [L181] SORT_1 bad_24_arg_0 = var_23; [L182] CALL __VERIFIER_assert(!(bad_24_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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 20:34:46,368 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...