/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.cal25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 00:40:49,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 00:40:50,050 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 00:40:50,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 00:40:50,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 00:40:50,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 00:40:50,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 00:40:50,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 00:40:50,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 00:40:50,082 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 00:40:50,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 00:40:50,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 00:40:50,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 00:40:50,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 00:40:50,084 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 00:40:50,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 00:40:50,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 00:40:50,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-26 00:40:50,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 00:40:50,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 00:40:50,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 00:40:50,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 00:40:50,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 00:40:50,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 00:40:50,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 00:40:50,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 00:40:50,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 00:40:50,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 00:40:50,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 00:40:50,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 00:40:50,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 00:40:50,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 00:40:50,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-26 00:40:50,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 00:40:50,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 00:40:50,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 00:40:50,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 00:40:50,277 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 00:40:50,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal25.c [2023-12-26 00:40:51,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 00:40:51,346 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 00:40:51,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal25.c [2023-12-26 00:40:51,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c852dcfe8/560ca62eabf74d4094bc190fad7ea4e3/FLAG8afc3ce66 [2023-12-26 00:40:51,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c852dcfe8/560ca62eabf74d4094bc190fad7ea4e3 [2023-12-26 00:40:51,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 00:40:51,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 00:40:51,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 00:40:51,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 00:40:51,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 00:40:51,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d70880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51, skipping insertion in model container [2023-12-26 00:40:51,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 00:40:51,485 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.cal25.c[1245,1258] [2023-12-26 00:40:51,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 00:40:51,530 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 00:40:51,537 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.cal25.c[1245,1258] [2023-12-26 00:40:51,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 00:40:51,565 INFO L206 MainTranslator]: Completed translation [2023-12-26 00:40:51,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51 WrapperNode [2023-12-26 00:40:51,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 00:40:51,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 00:40:51,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 00:40:51,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 00:40:51,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,613 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 223 [2023-12-26 00:40:51,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 00:40:51,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 00:40:51,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 00:40:51,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 00:40:51,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,643 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 00:40:51,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 00:40:51,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 00:40:51,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 00:40:51,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 00:40:51,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (1/1) ... [2023-12-26 00:40:51,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 00:40:51,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 00:40:51,709 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 00:40:51,716 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 00:40:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 00:40:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-26 00:40:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-26 00:40:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 00:40:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 00:40:51,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 00:40:51,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 00:40:51,961 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 00:40:52,026 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 00:40:52,027 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 00:40:52,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 12:40:52 BoogieIcfgContainer [2023-12-26 00:40:52,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 00:40:52,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 00:40:52,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 00:40:52,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 00:40:52,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 12:40:51" (1/3) ... [2023-12-26 00:40:52,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7575df6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 12:40:52, skipping insertion in model container [2023-12-26 00:40:52,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 12:40:51" (2/3) ... [2023-12-26 00:40:52,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7575df6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 12:40:52, skipping insertion in model container [2023-12-26 00:40:52,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 12:40:52" (3/3) ... [2023-12-26 00:40:52,032 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal25.c [2023-12-26 00:40:52,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 00:40:52,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 00:40:52,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 00:40:52,081 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;@6a43f32d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 00:40:52,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 00:40:52,084 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 00:40:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-26 00:40:52,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 00:40:52,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-26 00:40:52,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 00:40:52,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 00:40:52,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-26 00:40:52,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-26 00:40:52,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111831177] [2023-12-26 00:40:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 00:40:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-26 00:40:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 00:40:52,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-26 00:40:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-26 00:40:52,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-26 00:40:52,285 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-26 00:40:52,285 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 00:40:52,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-26 00:40:52,289 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-26 00:40:52,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 00:40:52,305 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-26 00:40:52,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 12:40:52 BoogieIcfgContainer [2023-12-26 00:40:52,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 00:40:52,319 INFO L158 Benchmark]: Toolchain (without parser) took 956.03ms. Allocated memory is still 262.1MB. Free memory was 202.0MB in the beginning and 207.2MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 00:40:52,320 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 124.5MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 00:40:52,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.15ms. Allocated memory is still 262.1MB. Free memory was 202.0MB in the beginning and 187.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-26 00:40:52,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 262.1MB. Free memory was 187.0MB in the beginning and 184.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 00:40:52,324 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 262.1MB. Free memory was 184.2MB in the beginning and 181.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-26 00:40:52,324 INFO L158 Benchmark]: RCFGBuilder took 368.02ms. Allocated memory is still 262.1MB. Free memory was 181.4MB in the beginning and 227.6MB in the end (delta: -46.3MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB. [2023-12-26 00:40:52,325 INFO L158 Benchmark]: TraceAbstraction took 289.55ms. Allocated memory is still 262.1MB. Free memory was 227.1MB in the beginning and 207.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-26 00:40:52,326 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 174.1MB. Free memory was 124.6MB in the beginning and 124.5MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.15ms. Allocated memory is still 262.1MB. Free memory was 202.0MB in the beginning and 187.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 262.1MB. Free memory was 187.0MB in the beginning and 184.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 262.1MB. Free memory was 184.2MB in the beginning and 181.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 368.02ms. Allocated memory is still 262.1MB. Free memory was 181.4MB in the beginning and 227.6MB in the end (delta: -46.3MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB. * TraceAbstraction took 289.55ms. Allocated memory is still 262.1MB. Free memory was 227.1MB in the beginning and 207.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. 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 61. 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 - 2) [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 2); [L30] EXPR (SORT_5)1 << (2 - 1) [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (2 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_14 = 0; [L34] const SORT_1 var_29 = 1; [L35] const SORT_5 var_40 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_1 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_9; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L46] SORT_5 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L48] SORT_5 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 init_12_arg_1 = var_10; [L51] state_11 = init_12_arg_1 [L52] SORT_5 init_16_arg_1 = var_14; [L53] state_15 = init_16_arg_1 [L54] SORT_1 init_18_arg_1 = var_10; [L55] state_17 = init_18_arg_1 [L56] SORT_5 init_22_arg_1 = var_14; [L57] state_21 = init_22_arg_1 VAL [init_12_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_22_arg_1=0, mask_SORT_1=0, mask_SORT_5=0, msb_SORT_1=0, msb_SORT_5=0, state_11=0, state_15=0, state_17=0, state_21=0, var_10=0, var_14=0, var_29=1, var_40=1] [L60] input_2 = __VERIFIER_nondet_uchar() [L61] EXPR input_2 & mask_SORT_1 [L61] input_2 = input_2 & mask_SORT_1 [L62] input_3 = __VERIFIER_nondet_uchar() [L63] EXPR input_3 & mask_SORT_1 [L63] input_3 = input_3 & mask_SORT_1 [L64] input_4 = __VERIFIER_nondet_uchar() [L65] input_6 = __VERIFIER_nondet_uchar() [L66] input_7 = __VERIFIER_nondet_uchar() [L67] input_8 = __VERIFIER_nondet_uchar() [L68] input_9 = __VERIFIER_nondet_uchar() [L71] SORT_1 var_13_arg_0 = state_11; [L72] SORT_1 var_13 = ~var_13_arg_0; [L73] SORT_1 var_19_arg_0 = state_17; [L74] SORT_5 var_19_arg_1 = state_15; [L75] SORT_5 var_19_arg_2 = input_6; [L76] SORT_5 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; [L77] SORT_5 var_20_arg_0 = var_19; [L78] EXPR var_20_arg_0 >> 0 [L78] SORT_1 var_20 = var_20_arg_0 >> 0; [L79] EXPR var_20 & mask_SORT_1 [L79] var_20 = var_20 & mask_SORT_1 [L80] SORT_1 var_23_arg_0 = state_17; [L81] SORT_5 var_23_arg_1 = state_21; [L82] SORT_5 var_23_arg_2 = input_6; [L83] SORT_5 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L84] SORT_5 var_24_arg_0 = var_23; [L85] EXPR var_24_arg_0 >> 0 [L85] SORT_1 var_24 = var_24_arg_0 >> 0; [L86] EXPR var_24 & mask_SORT_1 [L86] var_24 = var_24 & mask_SORT_1 [L87] SORT_1 var_25_arg_0 = var_20; [L88] SORT_1 var_25_arg_1 = var_24; [L89] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L90] SORT_1 var_26_arg_0 = var_13; [L91] SORT_1 var_26_arg_1 = var_25; [L92] EXPR var_26_arg_0 | var_26_arg_1 [L92] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L93] SORT_1 var_30_arg_0 = var_26; [L94] SORT_1 var_30 = ~var_30_arg_0; [L95] SORT_1 var_31_arg_0 = var_29; [L96] SORT_1 var_31_arg_1 = var_30; [L97] EXPR var_31_arg_0 & var_31_arg_1 [L97] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L98] EXPR var_31 & mask_SORT_1 [L98] var_31 = var_31 & mask_SORT_1 [L99] SORT_1 bad_32_arg_0 = var_31; [L100] CALL __VERIFIER_assert(!(bad_32_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: 0.2s, 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 00:40:52,343 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...