/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.frogs.1.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:33:55,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:33:55,178 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 20:33:55,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:33:55,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:33:55,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:33:55,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:33:55,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:33:55,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:33:55,216 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:33:55,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:33:55,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:33:55,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:33:55,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:33:55,218 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:33:55,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:33:55,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:33:55,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:33:55,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:33:55,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:33:55,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:33:55,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:33:55,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:33:55,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:33:55,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:33:55,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:33:55,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:33:55,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:33:55,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:33:55,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:33:55,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:33:55,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:33:55,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:33:55,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:33:55,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:33:55,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:33:55,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:33:55,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:33:55,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:33:55,440 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:33:55,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2023-12-16 20:33:56,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:33:57,024 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:33:57,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2023-12-16 20:33:57,055 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46961a55a/c5f0bd5d25e8471881787755b2828205/FLAG566748231 [2023-12-16 20:33:57,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46961a55a/c5f0bd5d25e8471881787755b2828205 [2023-12-16 20:33:57,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:33:57,133 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:33:57,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:33:57,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:33:57,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:33:57,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:33:57" (1/1) ... [2023-12-16 20:33:57,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435108b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:57, skipping insertion in model container [2023-12-16 20:33:57,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:33:57" (1/1) ... [2023-12-16 20:33:57,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:33:57,459 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.frogs.1.prop1-func-interl.c[1172,1185] [2023-12-16 20:33:57,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:33:57,876 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:33:57,884 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.frogs.1.prop1-func-interl.c[1172,1185] [2023-12-16 20:33:58,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:33:58,065 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:33:58,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58 WrapperNode [2023-12-16 20:33:58,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:33:58,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:33:58,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:33:58,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:33:58,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,314 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5262 [2023-12-16 20:33:58,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:33:58,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:33:58,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:33:58,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:33:58,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,485 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 20:33:58,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:33:58,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:33:58,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:33:58,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:33:58,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (1/1) ... [2023-12-16 20:33:58,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:33:58,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:33:58,689 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 20:33:58,709 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 20:33:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:33:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:33:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:33:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:33:59,248 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:33:59,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:34:10,453 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:34:10,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:34:10,592 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:34:10,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:34:10 BoogieIcfgContainer [2023-12-16 20:34:10,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:34:10,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:34:10,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:34:10,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:34:10,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:33:57" (1/3) ... [2023-12-16 20:34:10,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0cc684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:34:10, skipping insertion in model container [2023-12-16 20:34:10,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:33:58" (2/3) ... [2023-12-16 20:34:10,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0cc684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:34:10, skipping insertion in model container [2023-12-16 20:34:10,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:34:10" (3/3) ... [2023-12-16 20:34:10,600 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.frogs.1.prop1-func-interl.c [2023-12-16 20:34:10,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:34:10,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:34:10,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:34:10,659 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;@537fe143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:34:10,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:34:10,662 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 20:34:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:34:10,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:34:10,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:34:10,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:34:10,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:34:10,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:34:10,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:34:10,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477319458] [2023-12-16 20:34:10,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:34:10,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:34:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:34:10,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:34:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:34:10,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:34:10,979 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:34:10,979 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:34:10,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:34:10,984 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:34:10,988 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:34:11,015 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:34:11,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:34:11 BoogieIcfgContainer [2023-12-16 20:34:11,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:34:11,033 INFO L158 Benchmark]: Toolchain (without parser) took 13897.90ms. Allocated memory was 157.3MB in the beginning and 543.2MB in the end (delta: 385.9MB). Free memory was 113.8MB in the beginning and 215.3MB in the end (delta: -101.4MB). Peak memory consumption was 284.7MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,033 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:34:11,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.87ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 89.3MB in the end (delta: 24.3MB). Peak memory consumption was 83.4MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.00ms. Allocated memory was 157.3MB in the beginning and 229.6MB in the end (delta: 72.4MB). Free memory was 89.3MB in the beginning and 135.1MB in the end (delta: -45.8MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,034 INFO L158 Benchmark]: Boogie Preprocessor took 337.44ms. Allocated memory is still 229.6MB. Free memory was 135.1MB in the beginning and 136.6MB in the end (delta: -1.6MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,035 INFO L158 Benchmark]: RCFGBuilder took 11939.38ms. Allocated memory was 229.6MB in the beginning and 543.2MB in the end (delta: 313.5MB). Free memory was 136.6MB in the beginning and 276.6MB in the end (delta: -140.0MB). Peak memory consumption was 332.4MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,035 INFO L158 Benchmark]: TraceAbstraction took 435.62ms. Allocated memory is still 543.2MB. Free memory was 276.1MB in the beginning and 215.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-12-16 20:34:11,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 931.87ms. Allocated memory is still 157.3MB. Free memory was 113.6MB in the beginning and 89.3MB in the end (delta: 24.3MB). Peak memory consumption was 83.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 248.00ms. Allocated memory was 157.3MB in the beginning and 229.6MB in the end (delta: 72.4MB). Free memory was 89.3MB in the beginning and 135.1MB in the end (delta: -45.8MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 337.44ms. Allocated memory is still 229.6MB. Free memory was 135.1MB in the beginning and 136.6MB in the end (delta: -1.6MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. * RCFGBuilder took 11939.38ms. Allocated memory was 229.6MB in the beginning and 543.2MB in the end (delta: 313.5MB). Free memory was 136.6MB in the beginning and 276.6MB in the end (delta: -140.0MB). Peak memory consumption was 332.4MB. Max. memory is 8.0GB. * TraceAbstraction took 435.62ms. Allocated memory is still 543.2MB. Free memory was 276.1MB in the beginning and 215.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. 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 150. 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_44 = 0; [L40] const SORT_2 var_57 = 1; [L41] const SORT_4 var_59 = 0; [L42] const SORT_3 var_60 = 0; [L43] const SORT_2 var_62 = 8; [L44] const SORT_4 var_67 = 2; [L45] const SORT_2 var_73 = 0; [L46] const SORT_2 var_74 = 2; [L47] const SORT_4 var_83 = 1; [L48] const SORT_4 var_221 = 3; [L49] const SORT_4 var_266 = 4; [L50] const SORT_4 var_311 = 5; [L51] const SORT_4 var_356 = 6; [L52] const SORT_4 var_401 = 7; [L53] const SORT_4 var_446 = 8; [L54] const SORT_4 var_489 = 9; [L55] const SORT_4 var_534 = 10; [L56] const SORT_4 var_579 = 11; [L57] const SORT_4 var_624 = 12; [L58] const SORT_4 var_669 = 13; [L59] const SORT_4 var_714 = 14; [L60] const SORT_4 var_759 = 15; [L61] const SORT_4 var_804 = 16; [L62] const SORT_4 var_1014 = 4294967295; [L64] SORT_1 input_58; [L65] SORT_1 input_76; [L66] SORT_1 input_82; [L67] SORT_1 input_90; [L68] SORT_1 input_96; [L69] SORT_1 input_103; [L70] SORT_1 input_109; [L71] SORT_1 input_116; [L72] SORT_1 input_874; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L74] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L75] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_2 init_7_arg_1 = var_5; [L100] state_6 = init_7_arg_1 [L101] SORT_2 init_9_arg_1 = var_5; [L102] state_8 = init_9_arg_1 [L103] SORT_2 init_11_arg_1 = var_5; [L104] state_10 = init_11_arg_1 [L105] SORT_2 init_13_arg_1 = var_5; [L106] state_12 = init_13_arg_1 [L107] SORT_2 init_15_arg_1 = var_5; [L108] state_14 = init_15_arg_1 [L109] SORT_2 init_17_arg_1 = var_5; [L110] state_16 = init_17_arg_1 [L111] SORT_2 init_19_arg_1 = var_5; [L112] state_18 = init_19_arg_1 [L113] SORT_2 init_21_arg_1 = var_5; [L114] state_20 = init_21_arg_1 [L115] SORT_2 init_23_arg_1 = var_5; [L116] state_22 = init_23_arg_1 [L117] SORT_2 init_25_arg_1 = var_5; [L118] state_24 = init_25_arg_1 [L119] SORT_2 init_27_arg_1 = var_5; [L120] state_26 = init_27_arg_1 [L121] SORT_2 init_29_arg_1 = var_5; [L122] state_28 = init_29_arg_1 [L123] SORT_2 init_31_arg_1 = var_5; [L124] state_30 = init_31_arg_1 [L125] SORT_2 init_33_arg_1 = var_5; [L126] state_32 = init_33_arg_1 [L127] SORT_2 init_35_arg_1 = var_5; [L128] state_34 = init_35_arg_1 [L129] SORT_2 init_37_arg_1 = var_5; [L130] state_36 = init_37_arg_1 [L131] SORT_2 init_39_arg_1 = var_5; [L132] state_38 = init_39_arg_1 [L133] SORT_2 init_41_arg_1 = var_5; [L134] state_40 = init_41_arg_1 [L135] SORT_2 init_43_arg_1 = var_5; [L136] state_42 = init_43_arg_1 [L137] SORT_1 init_46_arg_1 = var_44; [L138] state_45 = init_46_arg_1 [L139] SORT_1 init_48_arg_1 = var_44; [L140] state_47 = init_48_arg_1 [L141] SORT_1 init_50_arg_1 = var_44; [L142] state_49 = init_50_arg_1 [L143] SORT_1 init_52_arg_1 = var_44; [L144] state_51 = init_52_arg_1 [L145] SORT_1 init_54_arg_1 = var_44; [L146] state_53 = init_54_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_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_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_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_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_6=0, state_8=0, var_1014=4294967295, var_221=3, var_266=4, var_311=5, var_356=6, var_401=7, var_446=8, var_44=0, var_489=9, var_534=10, var_579=11, var_57=1, var_59=0, var_5=0, var_60=0, var_624=12, var_62=8, var_669=13, var_67=2, var_714=14, var_73=0, var_74=2, var_759=15, var_804=16, var_83=1] [L149] input_58 = __VERIFIER_nondet_uchar() [L150] EXPR input_58 & mask_SORT_1 [L150] input_58 = input_58 & mask_SORT_1 [L151] input_76 = __VERIFIER_nondet_uchar() [L152] EXPR input_76 & mask_SORT_1 [L152] input_76 = input_76 & mask_SORT_1 [L153] input_82 = __VERIFIER_nondet_uchar() [L154] EXPR input_82 & mask_SORT_1 [L154] input_82 = input_82 & mask_SORT_1 [L155] input_90 = __VERIFIER_nondet_uchar() [L156] EXPR input_90 & mask_SORT_1 [L156] input_90 = input_90 & mask_SORT_1 [L157] input_96 = __VERIFIER_nondet_uchar() [L158] EXPR input_96 & mask_SORT_1 [L158] input_96 = input_96 & mask_SORT_1 [L159] input_103 = __VERIFIER_nondet_uchar() [L160] EXPR input_103 & mask_SORT_1 [L160] input_103 = input_103 & mask_SORT_1 [L161] input_109 = __VERIFIER_nondet_uchar() [L162] EXPR input_109 & mask_SORT_1 [L162] input_109 = input_109 & mask_SORT_1 [L163] input_116 = __VERIFIER_nondet_uchar() [L164] EXPR input_116 & mask_SORT_1 [L164] input_116 = input_116 & mask_SORT_1 [L165] input_874 = __VERIFIER_nondet_uchar() [L168] SORT_1 var_55_arg_0 = state_51; [L169] SORT_1 var_55_arg_1 = ~state_53; [L170] EXPR var_55_arg_1 & mask_SORT_1 [L170] var_55_arg_1 = var_55_arg_1 & mask_SORT_1 [L171] EXPR var_55_arg_0 & var_55_arg_1 [L171] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L172] EXPR var_55 & mask_SORT_1 [L172] var_55 = var_55 & mask_SORT_1 [L173] SORT_1 bad_56_arg_0 = var_55; [L174] CALL __VERIFIER_assert(!(bad_56_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 20:34:11,064 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...