/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.cal55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 00:51:55,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 00:51:55,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-26 00:51:55,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 00:51:55,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 00:51:55,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 00:51:55,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 00:51:55,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 00:51:55,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 00:51:55,716 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 00:51:55,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 00:51:55,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 00:51:55,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 00:51:55,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 00:51:55,718 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 00:51:55,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 00:51:55,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 00:51:55,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-26 00:51:55,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 00:51:55,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 00:51:55,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 00:51:55,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 00:51:55,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 00:51:55,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 00:51:55,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 00:51:55,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 00:51:55,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 00:51:55,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 00:51:55,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 00:51:55,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-26 00:51:55,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 00:51:55,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 00:51:55,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 00:51:55,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 00:51:55,939 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 00:51:55,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-12-26 00:51:57,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 00:51:57,202 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 00:51:57,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal55.c [2023-12-26 00:51:57,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ece515d/425a6c8c59164aa4a743cb3b3bf1faf5/FLAGcebc59fc5 [2023-12-26 00:51:57,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ece515d/425a6c8c59164aa4a743cb3b3bf1faf5 [2023-12-26 00:51:57,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 00:51:57,220 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 00:51:57,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 00:51:57,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 00:51:57,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 00:51:57,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1b9f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57, skipping insertion in model container [2023-12-26 00:51:57,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 00:51:57,370 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.cal55.c[1245,1258] [2023-12-26 00:51:57,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 00:51:57,434 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 00:51:57,442 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.cal55.c[1245,1258] [2023-12-26 00:51:57,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 00:51:57,472 INFO L206 MainTranslator]: Completed translation [2023-12-26 00:51:57,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57 WrapperNode [2023-12-26 00:51:57,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 00:51:57,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 00:51:57,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 00:51:57,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 00:51:57,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,521 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2023-12-26 00:51:57,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 00:51:57,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 00:51:57,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 00:51:57,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 00:51:57,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,543 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-26 00:51:57,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 00:51:57,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 00:51:57,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 00:51:57,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 00:51:57,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (1/1) ... [2023-12-26 00:51:57,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 00:51:57,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 00:51:57,615 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) [2023-12-26 00:51:57,661 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 [2023-12-26 00:51:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 00:51:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-26 00:51:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-26 00:51:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 00:51:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 00:51:57,757 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 00:51:57,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 00:51:57,940 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 00:51:57,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 00:51:57,979 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 00:51:57,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 12:51:57 BoogieIcfgContainer [2023-12-26 00:51:57,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 00:51:57,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 00:51:57,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 00:51:57,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 00:51:57,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 12:51:57" (1/3) ... [2023-12-26 00:51:57,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2493d656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 12:51:57, skipping insertion in model container [2023-12-26 00:51:57,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:51:57" (2/3) ... [2023-12-26 00:51:57,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2493d656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 12:51:57, skipping insertion in model container [2023-12-26 00:51:57,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 12:51:57" (3/3) ... [2023-12-26 00:51:57,985 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal55.c [2023-12-26 00:51:57,996 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 00:51:57,996 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 00:51:58,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 00:51:58,029 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;@6e61629f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 00:51:58,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 00:51:58,034 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) [2023-12-26 00:51:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 00:51:58,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 00:51:58,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 00:51:58,039 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 00:51:58,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 00:51:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 00:51:58,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-26 00:51:58,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540914168] [2023-12-26 00:51:58,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 00:51:58,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-26 00:51:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 00:51:58,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-26 00:51:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 00:51:58,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-26 00:51:58,323 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-26 00:51:58,324 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 00:51:58,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-26 00:51:58,328 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-26 00:51:58,330 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 00:51:58,354 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-26 00:51:58,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 12:51:58 BoogieIcfgContainer [2023-12-26 00:51:58,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 00:51:58,365 INFO L158 Benchmark]: Toolchain (without parser) took 1144.68ms. Allocated memory is still 251.7MB. Free memory was 196.3MB in the beginning and 127.1MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,365 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 00:51:58,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.03ms. Allocated memory is still 251.7MB. Free memory was 196.3MB in the beginning and 180.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.88ms. Allocated memory is still 251.7MB. Free memory was 180.6MB in the beginning and 177.5MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,366 INFO L158 Benchmark]: Boogie Preprocessor took 45.12ms. Allocated memory is still 251.7MB. Free memory was 177.5MB in the beginning and 174.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,367 INFO L158 Benchmark]: RCFGBuilder took 412.18ms. Allocated memory is still 251.7MB. Free memory was 173.8MB in the beginning and 151.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,367 INFO L158 Benchmark]: TraceAbstraction took 383.37ms. Allocated memory is still 251.7MB. Free memory was 150.2MB in the beginning and 127.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-26 00:51:58,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.03ms. Allocated memory is still 251.7MB. Free memory was 196.3MB in the beginning and 180.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.88ms. Allocated memory is still 251.7MB. Free memory was 180.6MB in the beginning and 177.5MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.12ms. Allocated memory is still 251.7MB. Free memory was 177.5MB in the beginning and 174.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 412.18ms. Allocated memory is still 251.7MB. Free memory was 173.8MB in the beginning and 151.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 383.37ms. Allocated memory is still 251.7MB. Free memory was 150.2MB in the beginning and 127.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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 66. Possible FailurePath: [L26] EXPR (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1) [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] EXPR (SORT_1)1 << (1 - 1) [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] EXPR (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3) [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L30] EXPR (SORT_5)1 << (3 - 1) [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L32] EXPR (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2) [L32] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L33] EXPR (SORT_26)1 << (2 - 1) [L33] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_15 = 0; [L37] const SORT_5 var_21 = 5; [L38] const SORT_5 var_23 = 4; [L39] const SORT_1 var_39 = 1; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L43] SORT_1 input_4; [L44] SORT_5 input_6; [L45] SORT_5 input_7; [L46] SORT_1 input_8; [L47] SORT_5 input_9; [L48] SORT_5 input_10; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L51] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L53] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L55] SORT_1 init_13_arg_1 = var_11; [L56] state_12 = init_13_arg_1 [L57] SORT_5 init_17_arg_1 = var_15; [L58] state_16 = init_17_arg_1 [L59] SORT_1 init_19_arg_1 = var_11; [L60] state_18 = init_19_arg_1 [L61] SORT_5 init_30_arg_1 = var_15; [L62] state_29 = init_30_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, mask_SORT_1=0, mask_SORT_26=0, mask_SORT_5=0, msb_SORT_1=0, msb_SORT_26=0, msb_SORT_5=0, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=5, var_23=4, var_39=1] [L65] input_2 = __VERIFIER_nondet_uchar() [L66] EXPR input_2 & mask_SORT_1 [L66] input_2 = input_2 & mask_SORT_1 [L67] input_3 = __VERIFIER_nondet_uchar() [L68] EXPR input_3 & mask_SORT_1 [L68] input_3 = input_3 & mask_SORT_1 [L69] input_4 = __VERIFIER_nondet_uchar() [L70] input_6 = __VERIFIER_nondet_uchar() [L71] input_7 = __VERIFIER_nondet_uchar() [L72] input_8 = __VERIFIER_nondet_uchar() [L73] input_9 = __VERIFIER_nondet_uchar() [L74] input_10 = __VERIFIER_nondet_uchar() [L77] SORT_1 var_14_arg_0 = state_12; [L78] SORT_1 var_14 = ~var_14_arg_0; [L79] SORT_1 var_20_arg_0 = state_18; [L80] SORT_5 var_20_arg_1 = state_16; [L81] SORT_5 var_20_arg_2 = input_7; [L82] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L83] EXPR var_20 & mask_SORT_5 [L83] var_20 = var_20 & mask_SORT_5 [L84] SORT_5 var_24_arg_0 = var_20; [L85] SORT_5 var_24_arg_1 = var_23; [L86] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L87] SORT_1 var_25_arg_0 = var_24; [L88] SORT_1 var_25 = ~var_25_arg_0; [L89] SORT_5 var_22_arg_0 = var_20; [L90] SORT_5 var_22_arg_1 = var_21; [L91] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L92] SORT_1 var_27_arg_0 = var_25; [L93] SORT_1 var_27_arg_1 = var_22; [L94] EXPR (SORT_26)var_27_arg_0 << 1 [L94] EXPR ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1 [L94] SORT_26 var_27 = ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1; [L95] EXPR var_27 & mask_SORT_26 [L95] var_27 = var_27 & mask_SORT_26 [L96] SORT_26 var_28_arg_0 = var_27; [L97] SORT_1 var_28 = var_28_arg_0 == mask_SORT_26; [L98] SORT_1 var_31_arg_0 = state_18; [L99] SORT_5 var_31_arg_1 = state_29; [L100] SORT_5 var_31_arg_2 = input_7; [L101] SORT_5 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L102] EXPR var_31 & mask_SORT_5 [L102] var_31 = var_31 & mask_SORT_5 [L103] SORT_5 var_32_arg_0 = var_31; [L104] SORT_5 var_32_arg_1 = var_21; [L105] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L106] SORT_1 var_33_arg_0 = var_25; [L107] SORT_1 var_33_arg_1 = var_32; [L108] EXPR (SORT_26)var_33_arg_0 << 1 [L108] EXPR ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1 [L108] SORT_26 var_33 = ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1; [L109] EXPR var_33 & mask_SORT_26 [L109] var_33 = var_33 & mask_SORT_26 [L110] SORT_26 var_34_arg_0 = var_33; [L111] SORT_1 var_34 = var_34_arg_0 == mask_SORT_26; [L112] SORT_1 var_35_arg_0 = var_28; [L113] SORT_1 var_35_arg_1 = var_34; [L114] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L115] SORT_1 var_36_arg_0 = var_14; [L116] SORT_1 var_36_arg_1 = var_35; [L117] EXPR var_36_arg_0 | var_36_arg_1 [L117] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L118] SORT_1 var_40_arg_0 = var_36; [L119] SORT_1 var_40 = ~var_40_arg_0; [L120] SORT_1 var_41_arg_0 = var_39; [L121] SORT_1 var_41_arg_1 = var_40; [L122] EXPR var_41_arg_0 & var_41_arg_1 [L122] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L123] EXPR var_41 & mask_SORT_1 [L123] var_41 = var_41 & mask_SORT_1 [L124] SORT_1 bad_42_arg_0 = var_41; [L125] CALL __VERIFIER_assert(!(bad_42_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 [2023-12-26 00:51:58,401 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...