/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.2.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:49:31,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:49:31,125 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 20:49:31,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:49:31,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:49:31,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:49:31,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:49:31,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:49:31,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:49:31,164 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:49:31,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:49:31,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:49:31,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:49:31,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:49:31,166 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:49:31,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:49:31,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:49:31,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:49:31,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:49:31,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:49:31,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:49:31,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:49:31,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:49:31,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:49:31,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:49:31,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:49:31,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:49:31,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:49:31,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:49:31,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:49:31,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:49:31,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:49:31,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:49:31,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:49:31,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:49:31,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:49:31,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:49:31,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:49:31,348 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:49:31,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2023-12-16 20:49:32,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:49:32,636 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:49:32,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2023-12-16 20:49:32,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db633318/d5fecd0ad67344aeaf618dfcf9282681/FLAG582ab9179 [2023-12-16 20:49:32,663 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db633318/d5fecd0ad67344aeaf618dfcf9282681 [2023-12-16 20:49:32,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:49:32,667 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:49:32,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:49:32,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:49:32,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:49:32,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:49:32" (1/1) ... [2023-12-16 20:49:32,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26484385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:32, skipping insertion in model container [2023-12-16 20:49:32,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:49:32" (1/1) ... [2023-12-16 20:49:32,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:49:32,872 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.2.prop1-func-interl.c[1176,1189] [2023-12-16 20:49:33,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:49:33,101 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:49:33,108 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.2.prop1-func-interl.c[1176,1189] [2023-12-16 20:49:33,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:49:33,259 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:49:33,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33 WrapperNode [2023-12-16 20:49:33,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:49:33,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:49:33,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:49:33,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:49:33,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,355 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1863 [2023-12-16 20:49:33,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:49:33,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:49:33,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:49:33,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:49:33,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,390 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 20:49:33,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:49:33,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:49:33,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:49:33,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:49:33,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (1/1) ... [2023-12-16 20:49:33,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:49:33,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:49:33,458 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 20:49:33,488 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 20:49:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:49:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:49:33,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:49:33,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:49:33,752 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:49:33,753 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:49:35,275 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:49:35,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:49:35,329 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:49:35,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:35 BoogieIcfgContainer [2023-12-16 20:49:35,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:49:35,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:49:35,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:49:35,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:49:35,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:49:32" (1/3) ... [2023-12-16 20:49:35,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b7d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:35, skipping insertion in model container [2023-12-16 20:49:35,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:49:33" (2/3) ... [2023-12-16 20:49:35,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b7d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:35, skipping insertion in model container [2023-12-16 20:49:35,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:35" (3/3) ... [2023-12-16 20:49:35,337 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.2.prop1-func-interl.c [2023-12-16 20:49:35,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:49:35,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:49:35,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:49:35,388 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;@5c68a42f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:49:35,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:49:35,391 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 20:49:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:49:35,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:49:35,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:49:35,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:49:35,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:49:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:49:35,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:49:35,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489634420] [2023-12-16 20:49:35,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:49:35,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:49:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:49:35,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:49:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:49:35,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:49:35,674 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:49:35,674 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:49:35,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:49:35,680 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:49:35,684 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:49:35,713 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:49:35,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:49:35 BoogieIcfgContainer [2023-12-16 20:49:35,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:49:35,732 INFO L158 Benchmark]: Toolchain (without parser) took 3064.29ms. Allocated memory was 318.8MB in the beginning and 492.8MB in the end (delta: 174.1MB). Free memory was 262.6MB in the beginning and 289.0MB in the end (delta: -26.4MB). Peak memory consumption was 148.1MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,733 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:49:35,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.84ms. Allocated memory is still 318.8MB. Free memory was 262.6MB in the beginning and 214.9MB in the end (delta: 47.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.19ms. Allocated memory is still 318.8MB. Free memory was 214.4MB in the beginning and 202.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,737 INFO L158 Benchmark]: Boogie Preprocessor took 77.86ms. Allocated memory is still 318.8MB. Free memory was 201.8MB in the beginning and 191.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,737 INFO L158 Benchmark]: RCFGBuilder took 1896.09ms. Allocated memory was 318.8MB in the beginning and 492.8MB in the end (delta: 174.1MB). Free memory was 191.3MB in the beginning and 323.1MB in the end (delta: -131.8MB). Peak memory consumption was 91.5MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,738 INFO L158 Benchmark]: TraceAbstraction took 398.56ms. Allocated memory is still 492.8MB. Free memory was 322.6MB in the beginning and 289.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 20:49:35,742 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 176.2MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 591.84ms. Allocated memory is still 318.8MB. Free memory was 262.6MB in the beginning and 214.9MB in the end (delta: 47.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 94.19ms. Allocated memory is still 318.8MB. Free memory was 214.4MB in the beginning and 202.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.86ms. Allocated memory is still 318.8MB. Free memory was 201.8MB in the beginning and 191.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 1896.09ms. Allocated memory was 318.8MB in the beginning and 492.8MB in the end (delta: 174.1MB). Free memory was 191.3MB in the beginning and 323.1MB in the end (delta: -131.8MB). Peak memory consumption was 91.5MB. Max. memory is 8.0GB. * TraceAbstraction took 398.56ms. Allocated memory is still 492.8MB. Free memory was 322.6MB in the beginning and 289.0MB 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_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_22 = 0; [L40] const SORT_2 var_68 = 1; [L41] const SORT_2 var_77 = 0; [L42] const SORT_4 var_82 = 1; [L43] const SORT_3 var_83 = 0; [L45] SORT_1 input_64; [L46] SORT_1 input_67; [L47] SORT_1 input_72; [L48] SORT_1 input_75; [L49] SORT_1 input_76; [L50] SORT_1 input_81; [L51] SORT_1 input_89; [L52] SORT_1 input_92; [L53] SORT_1 input_101; [L54] SORT_1 input_111; [L55] SORT_1 input_121; [L56] SORT_1 input_123; [L57] SORT_1 input_134; [L58] SORT_1 input_136; [L59] SORT_1 input_140; [L60] SORT_1 input_142; [L61] SORT_1 input_156; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L63] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L64] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L65] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L66] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L67] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L68] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L69] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L70] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_2 init_7_arg_1 = var_5; [L92] state_6 = init_7_arg_1 [L93] SORT_2 init_9_arg_1 = var_5; [L94] state_8 = init_9_arg_1 [L95] SORT_2 init_11_arg_1 = var_5; [L96] state_10 = init_11_arg_1 [L97] SORT_2 init_13_arg_1 = var_5; [L98] state_12 = init_13_arg_1 [L99] SORT_2 init_15_arg_1 = var_5; [L100] state_14 = init_15_arg_1 [L101] SORT_2 init_17_arg_1 = var_5; [L102] state_16 = init_17_arg_1 [L103] SORT_2 init_19_arg_1 = var_5; [L104] state_18 = init_19_arg_1 [L105] SORT_2 init_21_arg_1 = var_5; [L106] state_20 = init_21_arg_1 [L107] SORT_1 init_24_arg_1 = var_22; [L108] state_23 = init_24_arg_1 [L109] SORT_1 init_26_arg_1 = var_22; [L110] state_25 = init_26_arg_1 [L111] SORT_1 init_28_arg_1 = var_22; [L112] state_27 = init_28_arg_1 [L113] SORT_1 init_30_arg_1 = var_22; [L114] state_29 = init_30_arg_1 [L115] SORT_1 init_32_arg_1 = var_22; [L116] state_31 = init_32_arg_1 [L117] SORT_1 init_34_arg_1 = var_22; [L118] state_33 = init_34_arg_1 [L119] SORT_1 init_36_arg_1 = var_22; [L120] state_35 = init_36_arg_1 [L121] SORT_1 init_38_arg_1 = var_22; [L122] state_37 = init_38_arg_1 [L123] SORT_1 init_40_arg_1 = var_22; [L124] state_39 = init_40_arg_1 [L125] SORT_1 init_42_arg_1 = var_22; [L126] state_41 = init_42_arg_1 [L127] SORT_1 init_44_arg_1 = var_22; [L128] state_43 = init_44_arg_1 [L129] SORT_1 init_46_arg_1 = var_22; [L130] state_45 = init_46_arg_1 [L131] SORT_1 init_48_arg_1 = var_22; [L132] state_47 = init_48_arg_1 [L133] SORT_1 init_50_arg_1 = var_22; [L134] state_49 = init_50_arg_1 [L135] SORT_1 init_52_arg_1 = var_22; [L136] state_51 = init_52_arg_1 [L137] SORT_1 init_54_arg_1 = var_22; [L138] state_53 = init_54_arg_1 [L139] SORT_1 init_56_arg_1 = var_22; [L140] state_55 = init_56_arg_1 [L141] SORT_1 init_58_arg_1 = var_22; [L142] state_57 = init_58_arg_1 [L143] SORT_1 init_60_arg_1 = var_22; [L144] state_59 = init_60_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_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_58_arg_1=0, init_60_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=0, mask_SORT_2=0, msb_SORT_1=0, msb_SORT_2=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_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_57=0, state_59=0, state_6=0, state_8=0, var_22=0, var_5=0, var_68=1, var_77=0, var_82=1, var_83=0] [L147] input_64 = __VERIFIER_nondet_uchar() [L148] EXPR input_64 & mask_SORT_1 [L148] input_64 = input_64 & mask_SORT_1 [L149] input_67 = __VERIFIER_nondet_uchar() [L150] EXPR input_67 & mask_SORT_1 [L150] input_67 = input_67 & mask_SORT_1 [L151] input_72 = __VERIFIER_nondet_uchar() [L152] EXPR input_72 & mask_SORT_1 [L152] input_72 = input_72 & mask_SORT_1 [L153] input_75 = __VERIFIER_nondet_uchar() [L154] EXPR input_75 & mask_SORT_1 [L154] input_75 = input_75 & mask_SORT_1 [L155] input_76 = __VERIFIER_nondet_uchar() [L156] EXPR input_76 & mask_SORT_1 [L156] input_76 = input_76 & mask_SORT_1 [L157] input_81 = __VERIFIER_nondet_uchar() [L158] EXPR input_81 & mask_SORT_1 [L158] input_81 = input_81 & mask_SORT_1 [L159] input_89 = __VERIFIER_nondet_uchar() [L160] EXPR input_89 & mask_SORT_1 [L160] input_89 = input_89 & mask_SORT_1 [L161] input_92 = __VERIFIER_nondet_uchar() [L162] EXPR input_92 & mask_SORT_1 [L162] input_92 = input_92 & mask_SORT_1 [L163] input_101 = __VERIFIER_nondet_uchar() [L164] input_111 = __VERIFIER_nondet_uchar() [L165] input_121 = __VERIFIER_nondet_uchar() [L166] input_123 = __VERIFIER_nondet_uchar() [L167] input_134 = __VERIFIER_nondet_uchar() [L168] input_136 = __VERIFIER_nondet_uchar() [L169] input_140 = __VERIFIER_nondet_uchar() [L170] input_142 = __VERIFIER_nondet_uchar() [L171] input_156 = __VERIFIER_nondet_uchar() [L174] SORT_1 var_61_arg_0 = state_45; [L175] SORT_1 var_61_arg_1 = state_47; [L176] EXPR var_61_arg_0 | var_61_arg_1 [L176] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L177] SORT_1 var_62_arg_0 = ~state_59; [L178] EXPR var_62_arg_0 & mask_SORT_1 [L178] var_62_arg_0 = var_62_arg_0 & mask_SORT_1 [L179] SORT_1 var_62_arg_1 = var_61; [L180] EXPR var_62_arg_0 & var_62_arg_1 [L180] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L181] EXPR var_62 & mask_SORT_1 [L181] var_62 = var_62 & mask_SORT_1 [L182] SORT_1 bad_63_arg_0 = var_62; [L183] CALL __VERIFIER_assert(!(bad_63_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 20:49:35,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...