/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.protocols.1.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:49:25,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:49:25,640 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 20:49:25,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:49:25,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:49:25,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:49:25,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:49:25,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:49:25,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:49:25,687 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:49:25,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:49:25,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:49:25,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:49:25,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:49:25,690 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:49:25,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:49:25,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:49:25,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:49:25,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:49:25,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:49:25,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:49:25,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:49:25,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:49:25,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:49:25,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:49:25,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:49:25,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:49:25,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:49:25,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:49:25,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:49:25,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:49:25,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:49:25,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:49:25,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:49:25,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:49:25,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:49:25,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:49:25,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:49:25,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:49:25,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:49:25,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:49:25,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:49:25,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:49:25,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:49:25,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:49:25,971 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:49:25,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2023-12-16 20:49:27,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:49:27,463 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:49:27,463 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2023-12-16 20:49:27,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c383a71/fd7ef01956f14a54a9bbef66d2a68046/FLAG731135fca [2023-12-16 20:49:27,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0c383a71/fd7ef01956f14a54a9bbef66d2a68046 [2023-12-16 20:49:27,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:49:27,499 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:49:27,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:49:27,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:49:27,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:49:27,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:49:27" (1/1) ... [2023-12-16 20:49:27,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5f38a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:27, skipping insertion in model container [2023-12-16 20:49:27,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:49:27" (1/1) ... [2023-12-16 20:49:27,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:49:27,762 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.protocols.1.prop1-func-interl.c[1176,1189] [2023-12-16 20:49:28,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:49:28,032 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:49:28,042 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.protocols.1.prop1-func-interl.c[1176,1189] [2023-12-16 20:49:28,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:49:28,133 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:49:28,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28 WrapperNode [2023-12-16 20:49:28,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:49:28,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:49:28,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:49:28,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:49:28,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,266 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1610 [2023-12-16 20:49:28,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:49:28,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:49:28,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:49:28,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:49:28,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,369 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 20:49:28,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:49:28,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:49:28,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:49:28,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:49:28,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (1/1) ... [2023-12-16 20:49:28,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:49:28,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:49:28,493 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 20:49:28,508 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 20:49:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:49:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:49:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:49:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:49:28,833 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:49:28,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:49:30,187 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:49:30,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:49:30,256 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:49:30,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:30 BoogieIcfgContainer [2023-12-16 20:49:30,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:49:30,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:49:30,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:49:30,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:49:30,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:49:27" (1/3) ... [2023-12-16 20:49:30,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdb74e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:30, skipping insertion in model container [2023-12-16 20:49:30,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:28" (2/3) ... [2023-12-16 20:49:30,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdb74e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:30, skipping insertion in model container [2023-12-16 20:49:30,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:30" (3/3) ... [2023-12-16 20:49:30,266 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.1.prop1-func-interl.c [2023-12-16 20:49:30,283 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:49:30,283 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:49:30,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:49:30,338 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;@2364368a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:49:30,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:49:30,342 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 20:49:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:49:30,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:49:30,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:49:30,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:49:30,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:49:30,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:49:30,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:49:30,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877099059] [2023-12-16 20:49:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:49:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:49:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:49:30,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:49:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:49:30,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:49:30,660 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:49:30,660 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:49:30,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:49:30,668 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:49:30,671 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:49:30,700 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:49:30,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:49:30 BoogieIcfgContainer [2023-12-16 20:49:30,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:49:30,726 INFO L158 Benchmark]: Toolchain (without parser) took 3225.36ms. Allocated memory was 189.8MB in the beginning and 283.1MB in the end (delta: 93.3MB). Free memory was 143.8MB in the beginning and 145.5MB in the end (delta: -1.8MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,727 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:49:30,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.87ms. Allocated memory is still 189.8MB. Free memory was 143.5MB in the beginning and 100.1MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.42ms. Allocated memory was 189.8MB in the beginning and 283.1MB in the end (delta: 93.3MB). Free memory was 100.1MB in the beginning and 246.2MB in the end (delta: -146.1MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,732 INFO L158 Benchmark]: Boogie Preprocessor took 191.21ms. Allocated memory is still 283.1MB. Free memory was 246.2MB in the beginning and 236.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,733 INFO L158 Benchmark]: RCFGBuilder took 1797.34ms. Allocated memory is still 283.1MB. Free memory was 236.8MB in the beginning and 176.4MB in the end (delta: 60.3MB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,733 INFO L158 Benchmark]: TraceAbstraction took 463.46ms. Allocated memory is still 283.1MB. Free memory was 175.9MB in the beginning and 145.5MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-16 20:49:30,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 633.87ms. Allocated memory is still 189.8MB. Free memory was 143.5MB in the beginning and 100.1MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 132.42ms. Allocated memory was 189.8MB in the beginning and 283.1MB in the end (delta: 93.3MB). Free memory was 100.1MB in the beginning and 246.2MB in the end (delta: -146.1MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 191.21ms. Allocated memory is still 283.1MB. Free memory was 246.2MB in the beginning and 236.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1797.34ms. Allocated memory is still 283.1MB. Free memory was 236.8MB in the beginning and 176.4MB in the end (delta: 60.3MB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. * TraceAbstraction took 463.46ms. Allocated memory is still 283.1MB. Free memory was 175.9MB in the beginning and 145.5MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. 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 139. Possible FailurePath: [L26] EXPR (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1) [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] EXPR (SORT_1)1 << (1 - 1) [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] EXPR (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8) [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] EXPR (SORT_2)1 << (8 - 1) [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_2 var_64 = 0; [L41] const SORT_4 var_66 = 1; [L42] const SORT_3 var_67 = 0; [L43] const SORT_2 var_85 = 1; [L44] const SORT_4 var_151 = 3; [L46] SORT_1 input_60; [L47] SORT_1 input_63; [L48] SORT_1 input_65; [L49] SORT_1 input_75; [L50] SORT_1 input_81; [L51] SORT_1 input_84; [L52] SORT_1 input_86; [L53] SORT_1 input_106; [L54] SORT_1 input_108; [L55] SORT_1 input_119; [L56] SORT_1 input_121; [L57] SORT_1 input_125; [L58] SORT_1 input_127; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L60] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L61] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L62] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L63] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L64] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L65] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L66] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] SORT_2 init_7_arg_1 = var_5; [L87] state_6 = init_7_arg_1 [L88] SORT_2 init_9_arg_1 = var_5; [L89] state_8 = init_9_arg_1 [L90] SORT_2 init_11_arg_1 = var_5; [L91] state_10 = init_11_arg_1 [L92] SORT_2 init_13_arg_1 = var_5; [L93] state_12 = init_13_arg_1 [L94] SORT_2 init_15_arg_1 = var_5; [L95] state_14 = init_15_arg_1 [L96] SORT_2 init_17_arg_1 = var_5; [L97] state_16 = init_17_arg_1 [L98] SORT_2 init_19_arg_1 = var_5; [L99] state_18 = init_19_arg_1 [L100] SORT_1 init_22_arg_1 = var_20; [L101] state_21 = init_22_arg_1 [L102] SORT_1 init_24_arg_1 = var_20; [L103] state_23 = init_24_arg_1 [L104] SORT_1 init_26_arg_1 = var_20; [L105] state_25 = init_26_arg_1 [L106] SORT_1 init_28_arg_1 = var_20; [L107] state_27 = init_28_arg_1 [L108] SORT_1 init_30_arg_1 = var_20; [L109] state_29 = init_30_arg_1 [L110] SORT_1 init_32_arg_1 = var_20; [L111] state_31 = init_32_arg_1 [L112] SORT_1 init_34_arg_1 = var_20; [L113] state_33 = init_34_arg_1 [L114] SORT_1 init_36_arg_1 = var_20; [L115] state_35 = init_36_arg_1 [L116] SORT_1 init_38_arg_1 = var_20; [L117] state_37 = init_38_arg_1 [L118] SORT_1 init_40_arg_1 = var_20; [L119] state_39 = init_40_arg_1 [L120] SORT_1 init_42_arg_1 = var_20; [L121] state_41 = init_42_arg_1 [L122] SORT_1 init_44_arg_1 = var_20; [L123] state_43 = init_44_arg_1 [L124] SORT_1 init_46_arg_1 = var_20; [L125] state_45 = init_46_arg_1 [L126] SORT_1 init_48_arg_1 = var_20; [L127] state_47 = init_48_arg_1 [L128] SORT_1 init_50_arg_1 = var_20; [L129] state_49 = init_50_arg_1 [L130] SORT_1 init_52_arg_1 = var_20; [L131] state_51 = init_52_arg_1 [L132] SORT_1 init_54_arg_1 = var_20; [L133] state_53 = init_54_arg_1 [L134] SORT_1 init_56_arg_1 = var_20; [L135] state_55 = init_56_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_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_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_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_151=3, var_20=0, var_5=0, var_64=0, var_66=1, var_67=0, var_85=1] [L138] input_60 = __VERIFIER_nondet_uchar() [L139] EXPR input_60 & mask_SORT_1 [L139] input_60 = input_60 & mask_SORT_1 [L140] input_63 = __VERIFIER_nondet_uchar() [L141] EXPR input_63 & mask_SORT_1 [L141] input_63 = input_63 & mask_SORT_1 [L142] input_65 = __VERIFIER_nondet_uchar() [L143] EXPR input_65 & mask_SORT_1 [L143] input_65 = input_65 & mask_SORT_1 [L144] input_75 = __VERIFIER_nondet_uchar() [L145] EXPR input_75 & mask_SORT_1 [L145] input_75 = input_75 & mask_SORT_1 [L146] input_81 = __VERIFIER_nondet_uchar() [L147] EXPR input_81 & mask_SORT_1 [L147] input_81 = input_81 & mask_SORT_1 [L148] input_84 = __VERIFIER_nondet_uchar() [L149] EXPR input_84 & mask_SORT_1 [L149] input_84 = input_84 & mask_SORT_1 [L150] input_86 = __VERIFIER_nondet_uchar() [L151] EXPR input_86 & mask_SORT_1 [L151] input_86 = input_86 & mask_SORT_1 [L152] input_106 = __VERIFIER_nondet_uchar() [L153] input_108 = __VERIFIER_nondet_uchar() [L154] input_119 = __VERIFIER_nondet_uchar() [L155] input_121 = __VERIFIER_nondet_uchar() [L156] input_125 = __VERIFIER_nondet_uchar() [L157] input_127 = __VERIFIER_nondet_uchar() [L160] SORT_1 var_57_arg_0 = state_43; [L161] SORT_1 var_57_arg_1 = state_45; [L162] EXPR var_57_arg_0 | var_57_arg_1 [L162] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L163] SORT_1 var_58_arg_0 = ~state_55; [L164] EXPR var_58_arg_0 & mask_SORT_1 [L164] var_58_arg_0 = var_58_arg_0 & mask_SORT_1 [L165] SORT_1 var_58_arg_1 = var_57; [L166] EXPR var_58_arg_0 & var_58_arg_1 [L166] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L167] EXPR var_58 & mask_SORT_1 [L167] var_58 = var_58 & mask_SORT_1 [L168] SORT_1 bad_59_arg_0 = var_58; [L169] CALL __VERIFIER_assert(!(bad_59_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 20:49:30,759 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...