/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.vis_arrays_vsaR_p05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:56:20,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:56:21,027 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 20:56:21,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:56:21,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:56:21,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:56:21,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:56:21,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:56:21,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:56:21,058 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:56:21,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:56:21,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:56:21,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:56:21,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:56:21,059 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:56:21,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:56:21,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:56:21,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:56:21,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:56:21,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:56:21,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:56:21,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:56:21,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:56:21,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:56:21,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:56:21,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:56:21,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:56:21,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:56:21,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:56:21,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:56:21,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:56:21,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:56:21,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:56:21,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:56:21,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:56:21,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:56:21,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:56:21,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:56:21,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:56:21,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:56:21,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:56:21,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:56:21,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:56:21,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:56:21,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:56:21,267 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:56:21,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-12-16 20:56:22,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:56:22,427 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:56:22,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-12-16 20:56:22,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/195d69e02/63e62e78c1ee4e8991b2702cbc62dd7a/FLAG3e26238a1 [2023-12-16 20:56:22,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/195d69e02/63e62e78c1ee4e8991b2702cbc62dd7a [2023-12-16 20:56:22,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:56:22,449 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:56:22,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:56:22,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:56:22,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:56:22,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:22,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22, skipping insertion in model container [2023-12-16 20:56:22,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:22,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:56:22,633 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.vis_arrays_vsaR_p05.c[1259,1272] [2023-12-16 20:56:22,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:56:22,863 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:56:22,871 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.vis_arrays_vsaR_p05.c[1259,1272] [2023-12-16 20:56:22,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:56:22,944 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:56:22,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22 WrapperNode [2023-12-16 20:56:22,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:56:22,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:56:22,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:56:22,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:56:22,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:22,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,083 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1510 [2023-12-16 20:56:23,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:56:23,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:56:23,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:56:23,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:56:23,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,191 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 20:56:23,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:56:23,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:56:23,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:56:23,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:56:23,244 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (1/1) ... [2023-12-16 20:56:23,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:56:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:56:23,265 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 20:56:23,284 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 20:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:56:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:56:23,495 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:56:23,497 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:56:25,672 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:56:25,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:56:25,717 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:56:25,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:56:25 BoogieIcfgContainer [2023-12-16 20:56:25,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:56:25,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:56:25,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:56:25,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:56:25,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:56:22" (1/3) ... [2023-12-16 20:56:25,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03d1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:56:25, skipping insertion in model container [2023-12-16 20:56:25,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:56:22" (2/3) ... [2023-12-16 20:56:25,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e03d1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:56:25, skipping insertion in model container [2023-12-16 20:56:25,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:56:25" (3/3) ... [2023-12-16 20:56:25,726 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p05.c [2023-12-16 20:56:25,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:56:25,738 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:56:25,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:56:25,782 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;@198a9efd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:56:25,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:56:25,785 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 20:56:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:56:25,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:56:25,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:56:25,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:56:25,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:56:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:56:25,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:56:25,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572650666] [2023-12-16 20:56:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:56:25,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:56:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:56:25,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:56:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:56:26,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:56:26,058 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:56:26,059 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:56:26,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:56:26,068 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:56:26,071 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:56:26,088 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:56:26,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:56:26 BoogieIcfgContainer [2023-12-16 20:56:26,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:56:26,097 INFO L158 Benchmark]: Toolchain (without parser) took 3647.98ms. Allocated memory was 297.8MB in the beginning and 404.8MB in the end (delta: 107.0MB). Free memory was 252.5MB in the beginning and 307.1MB in the end (delta: -54.6MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,098 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 206.6MB. Free memory was 154.5MB in the beginning and 154.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:56:26,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.69ms. Allocated memory is still 297.8MB. Free memory was 252.2MB in the beginning and 207.6MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.70ms. Allocated memory is still 297.8MB. Free memory was 207.6MB in the beginning and 194.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,099 INFO L158 Benchmark]: Boogie Preprocessor took 147.96ms. Allocated memory is still 297.8MB. Free memory was 194.0MB in the beginning and 250.5MB in the end (delta: -56.5MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,099 INFO L158 Benchmark]: RCFGBuilder took 2485.27ms. Allocated memory was 297.8MB in the beginning and 404.8MB in the end (delta: 107.0MB). Free memory was 250.5MB in the beginning and 341.7MB in the end (delta: -91.2MB). Peak memory consumption was 132.7MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,099 INFO L158 Benchmark]: TraceAbstraction took 376.19ms. Allocated memory is still 404.8MB. Free memory was 340.6MB in the beginning and 307.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 20:56:26,101 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 206.6MB. Free memory was 154.5MB in the beginning and 154.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 494.69ms. Allocated memory is still 297.8MB. Free memory was 252.2MB in the beginning and 207.6MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 138.70ms. Allocated memory is still 297.8MB. Free memory was 207.6MB in the beginning and 194.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 147.96ms. Allocated memory is still 297.8MB. Free memory was 194.0MB in the beginning and 250.5MB in the end (delta: -56.5MB). Peak memory consumption was 20.5MB. Max. memory is 8.0GB. * RCFGBuilder took 2485.27ms. Allocated memory was 297.8MB in the beginning and 404.8MB in the end (delta: 107.0MB). Free memory was 250.5MB in the beginning and 341.7MB in the end (delta: -91.2MB). Peak memory consumption was 132.7MB. Max. memory is 8.0GB. * TraceAbstraction took 376.19ms. Allocated memory is still 404.8MB. Free memory was 340.6MB in the beginning and 307.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. 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 148. 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_3)-1 >> (sizeof(SORT_3) * 8 - 5) [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] EXPR (SORT_3)1 << (5 - 1) [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] EXPR (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12) [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] EXPR (SORT_5)1 << (12 - 1) [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] EXPR (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 2) [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 2); [L36] EXPR (SORT_10)1 << (2 - 1) [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (2 - 1); [L38] EXPR (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3) [L38] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L39] EXPR (SORT_14)1 << (3 - 1) [L39] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L41] EXPR (SORT_96)-1 >> (sizeof(SORT_96) * 8 - 4) [L41] const SORT_96 mask_SORT_96 = (SORT_96)-1 >> (sizeof(SORT_96) * 8 - 4); [L42] EXPR (SORT_96)1 << (4 - 1) [L42] const SORT_96 msb_SORT_96 = (SORT_96)1 << (4 - 1); [L44] const SORT_145 mask_SORT_145 = (SORT_145)-1 >> (sizeof(SORT_145) * 8 - 32); [L45] const SORT_145 msb_SORT_145 = (SORT_145)1 << (32 - 1); [L47] const SORT_5 var_7 = 0; [L48] const SORT_14 var_15 = 0; [L49] const SORT_10 var_19 = 0; [L50] const SORT_3 var_21 = 0; [L51] const SORT_1 var_31 = 1; [L52] const SORT_1 var_37 = 0; [L53] const SORT_14 var_55 = 2; [L54] const SORT_14 var_59 = 1; [L55] const SORT_14 var_64 = 4; [L56] const SORT_14 var_66 = 5; [L57] const SORT_14 var_70 = 3; [L58] const SORT_14 var_113 = 7; [L59] const SORT_14 var_118 = 6; [L60] const SORT_145 var_147 = 0; [L61] const SORT_3 var_162 = 2; [L62] const SORT_3 var_184 = 31; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_5 input_6; [L67] SORT_3 input_173; [L68] SORT_3 input_174; [L69] SORT_3 input_175; [L70] SORT_3 input_183; [L71] SORT_3 input_192; [L72] SORT_3 input_193; [L73] SORT_3 input_194; [L74] SORT_3 input_197; [L75] SORT_3 input_216; [L76] SORT_3 input_217; [L77] SORT_3 input_218; [L78] SORT_3 input_221; [L79] SORT_3 input_223; [L80] SORT_10 input_237; [L81] SORT_10 input_238; [L82] SORT_10 input_239; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L84] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 [L85] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L86] SORT_3 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L87] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L88] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L90] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L91] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L92] SORT_3 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L93] SORT_3 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L94] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L95] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L96] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_5 init_9_arg_1 = var_7; [L99] state_8 = init_9_arg_1 [L100] SORT_14 init_17_arg_1 = var_15; [L101] state_16 = init_17_arg_1 [L102] SORT_3 init_23_arg_1 = var_21; [L103] state_22 = init_23_arg_1 [L104] SORT_3 init_25_arg_1 = var_21; [L105] state_24 = init_25_arg_1 [L106] SORT_3 init_36_arg_1 = var_21; [L107] state_35 = init_36_arg_1 [L108] SORT_1 init_39_arg_1 = var_37; [L109] state_38 = init_39_arg_1 [L110] SORT_3 init_41_arg_1 = var_21; [L111] state_40 = init_41_arg_1 [L112] SORT_3 init_43_arg_1 = var_21; [L113] state_42 = init_43_arg_1 [L114] SORT_3 init_45_arg_1 = var_21; [L115] state_44 = init_45_arg_1 [L116] SORT_3 init_47_arg_1 = var_21; [L117] state_46 = init_47_arg_1 [L118] SORT_3 init_49_arg_1 = var_21; [L119] state_48 = init_49_arg_1 [L120] SORT_3 init_51_arg_1 = var_21; [L121] state_50 = init_51_arg_1 [L122] SORT_3 init_53_arg_1 = var_21; [L123] state_52 = init_53_arg_1 VAL [init_17_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_9_arg_1=0, mask_SORT_10=0, mask_SORT_14=0, mask_SORT_1=0, mask_SORT_3=0, mask_SORT_5=0, mask_SORT_96=0, msb_SORT_10=0, msb_SORT_14=0, msb_SORT_1=0, msb_SORT_3=0, msb_SORT_5=0, msb_SORT_96=0, state_16=0, state_22=0, state_24=0, state_35=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_8=0, var_113=7, var_118=6, var_147=0, var_15=0, var_162=2, var_184=31, var_19=0, var_21=0, var_31=1, var_37=0, var_55=2, var_59=1, var_64=4, var_66=5, var_70=3, var_7=0] [L126] input_2 = __VERIFIER_nondet_uchar() [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_ushort() [L129] input_173 = __VERIFIER_nondet_uchar() [L130] input_174 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_183 = __VERIFIER_nondet_uchar() [L133] input_192 = __VERIFIER_nondet_uchar() [L134] input_193 = __VERIFIER_nondet_uchar() [L135] input_194 = __VERIFIER_nondet_uchar() [L136] input_197 = __VERIFIER_nondet_uchar() [L137] input_216 = __VERIFIER_nondet_uchar() [L138] input_217 = __VERIFIER_nondet_uchar() [L139] input_218 = __VERIFIER_nondet_uchar() [L140] input_221 = __VERIFIER_nondet_uchar() [L141] input_223 = __VERIFIER_nondet_uchar() [L142] input_237 = __VERIFIER_nondet_uchar() [L143] input_238 = __VERIFIER_nondet_uchar() [L144] input_239 = __VERIFIER_nondet_uchar() [L147] SORT_5 var_11_arg_0 = state_8; [L148] EXPR var_11_arg_0 >> 7 [L148] SORT_10 var_11 = var_11_arg_0 >> 7; [L149] EXPR var_11 & mask_SORT_10 [L149] var_11 = var_11 & mask_SORT_10 [L150] SORT_5 var_12_arg_0 = state_8; [L151] EXPR var_12_arg_0 >> 5 [L151] SORT_10 var_12 = var_12_arg_0 >> 5; [L152] EXPR var_12 & mask_SORT_10 [L152] var_12 = var_12 & mask_SORT_10 [L153] SORT_10 var_13_arg_0 = var_11; [L154] SORT_10 var_13_arg_1 = var_12; [L155] SORT_1 var_13 = var_13_arg_0 != var_13_arg_1; [L156] SORT_14 var_18_arg_0 = state_16; [L157] EXPR var_18_arg_0 >> 1 [L157] SORT_10 var_18 = var_18_arg_0 >> 1; [L158] EXPR var_18 & mask_SORT_10 [L158] var_18 = var_18 & mask_SORT_10 [L159] SORT_10 var_20_arg_0 = var_18; [L160] SORT_10 var_20_arg_1 = var_19; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_3 var_26_arg_0 = state_22; [L163] SORT_3 var_26_arg_1 = state_24; [L164] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L165] SORT_1 var_27_arg_0 = var_20; [L166] SORT_1 var_27_arg_1 = var_26; [L167] EXPR var_27_arg_0 | var_27_arg_1 [L167] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L168] SORT_1 var_28_arg_0 = var_13; [L169] SORT_1 var_28_arg_1 = var_27; [L170] EXPR var_28_arg_0 | var_28_arg_1 [L170] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L171] SORT_1 var_32_arg_0 = var_28; [L172] SORT_1 var_32 = ~var_32_arg_0; [L173] SORT_1 var_33_arg_0 = var_31; [L174] SORT_1 var_33_arg_1 = var_32; [L175] EXPR var_33_arg_0 & var_33_arg_1 [L175] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L176] EXPR var_33 & mask_SORT_1 [L176] var_33 = var_33 & mask_SORT_1 [L177] SORT_1 bad_34_arg_0 = var_33; [L178] CALL __VERIFIER_assert(!(bad_34_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 20:56:26,123 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...