/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.loyd.2.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:38:59,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:38:59,174 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 20:38:59,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:38:59,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:38:59,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:38:59,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:38:59,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:38:59,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:38:59,201 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:38:59,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:38:59,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:38:59,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:38:59,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:38:59,203 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:38:59,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:38:59,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:38:59,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:38:59,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:38:59,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:38:59,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:38:59,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:38:59,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:38:59,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:38:59,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:38:59,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:38:59,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:38:59,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 20:38:59,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:38:59,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:38:59,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:38:59,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:38:59,377 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:38:59,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-16 20:39:00,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:39:00,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:39:00,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-16 20:39:00,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09886c28/1182952fb39d4bbb865d3bba1811b39e/FLAGbb3f55c48 [2023-12-16 20:39:00,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09886c28/1182952fb39d4bbb865d3bba1811b39e [2023-12-16 20:39:00,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:39:00,611 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:39:00,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:39:00,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:39:00,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:39:00,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:39:00" (1/1) ... [2023-12-16 20:39:00,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef8d8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:00, skipping insertion in model container [2023-12-16 20:39:00,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:39:00" (1/1) ... [2023-12-16 20:39:00,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:39:00,782 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.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-16 20:39:01,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:39:01,065 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:39:01,073 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.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-16 20:39:01,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:39:01,202 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:39:01,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01 WrapperNode [2023-12-16 20:39:01,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:39:01,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:39:01,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:39:01,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:39:01,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,313 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2109 [2023-12-16 20:39:01,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:39:01,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:39:01,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:39:01,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:39:01,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,337 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,390 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 20:39:01,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:39:01,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:39:01,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:39:01,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:39:01,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (1/1) ... [2023-12-16 20:39:01,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:39:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:39:01,496 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 20:39:01,521 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 20:39:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:39:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:39:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:39:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:39:01,839 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:39:01,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:39:07,258 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:39:07,310 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:39:07,310 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:39:07,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:39:07 BoogieIcfgContainer [2023-12-16 20:39:07,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:39:07,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:39:07,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:39:07,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:39:07,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:39:00" (1/3) ... [2023-12-16 20:39:07,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2edb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:39:07, skipping insertion in model container [2023-12-16 20:39:07,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:39:01" (2/3) ... [2023-12-16 20:39:07,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2edb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:39:07, skipping insertion in model container [2023-12-16 20:39:07,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:39:07" (3/3) ... [2023-12-16 20:39:07,318 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-16 20:39:07,329 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:39:07,329 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:39:07,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:39:07,368 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;@7650efa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:39:07,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:39:07,371 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 20:39:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 20:39:07,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:39:07,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 20:39:07,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:39:07,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:39:07,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 20:39:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:39:07,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538600554] [2023-12-16 20:39:07,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:39:07,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:39:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:39:07,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:39:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:39:07,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:39:07,823 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:39:07,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:39:07,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:39:07,831 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 20:39:07,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:39:07,864 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:39:07,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:39:07 BoogieIcfgContainer [2023-12-16 20:39:07,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:39:07,887 INFO L158 Benchmark]: Toolchain (without parser) took 7274.68ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 262.1MB in the beginning and 138.4MB in the end (delta: 123.7MB). Peak memory consumption was 262.8MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,887 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 211.8MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:39:07,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.16ms. Allocated memory is still 308.3MB. Free memory was 261.8MB in the beginning and 257.0MB in the end (delta: 4.9MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.13ms. Allocated memory is still 308.3MB. Free memory was 257.0MB in the beginning and 239.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,891 INFO L158 Benchmark]: Boogie Preprocessor took 152.35ms. Allocated memory is still 308.3MB. Free memory was 239.1MB in the beginning and 221.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,892 INFO L158 Benchmark]: RCFGBuilder took 5839.46ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 221.3MB in the beginning and 191.9MB in the end (delta: 29.4MB). Peak memory consumption was 177.0MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,892 INFO L158 Benchmark]: TraceAbstraction took 571.31ms. Allocated memory is still 446.7MB. Free memory was 191.4MB in the beginning and 138.4MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2023-12-16 20:39:07,896 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 211.8MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 591.16ms. Allocated memory is still 308.3MB. Free memory was 261.8MB in the beginning and 257.0MB in the end (delta: 4.9MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 115.13ms. Allocated memory is still 308.3MB. Free memory was 257.0MB in the beginning and 239.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 152.35ms. Allocated memory is still 308.3MB. Free memory was 239.1MB in the beginning and 221.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * RCFGBuilder took 5839.46ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 221.3MB in the beginning and 191.9MB in the end (delta: 29.4MB). Peak memory consumption was 177.0MB. Max. memory is 8.0GB. * TraceAbstraction took 571.31ms. Allocated memory is still 446.7MB. Free memory was 191.4MB in the beginning and 138.4MB in the end (delta: 53.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwise operation at line 133. 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_28 = 0; [L40] const SORT_2 var_41 = 0; [L41] const SORT_2 var_44 = 1; [L42] const SORT_2 var_47 = 2; [L43] const SORT_2 var_50 = 3; [L44] const SORT_2 var_53 = 4; [L45] const SORT_2 var_56 = 5; [L46] const SORT_2 var_59 = 6; [L47] const SORT_2 var_62 = 7; [L48] const SORT_2 var_65 = 8; [L49] const SORT_1 var_102 = 1; [L50] const SORT_3 var_105 = 0; [L51] const SORT_4 var_107 = 0; [L52] const SORT_4 var_112 = 2; [L53] const SORT_4 var_113 = 1; [L54] const SORT_4 var_142 = 3; [L55] const SORT_4 var_175 = 4; [L56] const SORT_4 var_177 = 5; [L57] const SORT_4 var_179 = 6; [L58] const SORT_4 var_181 = 7; [L59] const SORT_4 var_235 = 8; [L61] SORT_2 input_74; [L62] SORT_2 input_76; [L63] SORT_2 input_78; [L64] SORT_2 input_80; [L65] SORT_2 input_82; [L66] SORT_2 input_84; [L67] SORT_2 input_86; [L68] SORT_2 input_88; [L69] SORT_2 input_90; [L70] SORT_2 input_92; [L71] SORT_2 input_94; [L72] SORT_1 input_96; [L73] SORT_1 input_98; [L74] SORT_1 input_100; [L75] SORT_1 input_104; [L76] SORT_1 input_111; [L77] SORT_1 input_122; [L78] SORT_1 input_128; [L79] SORT_1 input_137; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_2 init_7_arg_1 = var_5; [L99] state_6 = init_7_arg_1 [L100] SORT_2 init_9_arg_1 = var_5; [L101] state_8 = init_9_arg_1 [L102] SORT_2 init_11_arg_1 = var_5; [L103] state_10 = init_11_arg_1 [L104] SORT_2 init_13_arg_1 = var_5; [L105] state_12 = init_13_arg_1 [L106] SORT_2 init_15_arg_1 = var_5; [L107] state_14 = init_15_arg_1 [L108] SORT_2 init_17_arg_1 = var_5; [L109] state_16 = init_17_arg_1 [L110] SORT_2 init_19_arg_1 = var_5; [L111] state_18 = init_19_arg_1 [L112] SORT_2 init_21_arg_1 = var_5; [L113] state_20 = init_21_arg_1 [L114] SORT_2 init_23_arg_1 = var_5; [L115] state_22 = init_23_arg_1 [L116] SORT_2 init_25_arg_1 = var_5; [L117] state_24 = init_25_arg_1 [L118] SORT_2 init_27_arg_1 = var_5; [L119] state_26 = init_27_arg_1 [L120] SORT_1 init_30_arg_1 = var_28; [L121] state_29 = init_30_arg_1 [L122] SORT_1 init_32_arg_1 = var_28; [L123] state_31 = init_32_arg_1 [L124] SORT_1 init_34_arg_1 = var_28; [L125] state_33 = init_34_arg_1 [L126] SORT_1 init_36_arg_1 = var_28; [L127] state_35 = init_36_arg_1 [L128] SORT_1 init_38_arg_1 = var_28; [L129] state_37 = init_38_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_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_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_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_102=1, var_105=0, var_107=0, var_112=2, var_113=1, var_142=3, var_175=4, var_177=5, var_179=6, var_181=7, var_235=8, var_28=0, var_41=0, var_44=1, var_47=2, var_50=3, var_53=4, var_56=5, var_59=6, var_5=0, var_62=7, var_65=8] [L132] input_74 = __VERIFIER_nondet_uchar() [L133] EXPR input_74 & mask_SORT_2 [L133] input_74 = input_74 & mask_SORT_2 [L134] input_76 = __VERIFIER_nondet_uchar() [L135] EXPR input_76 & mask_SORT_2 [L135] input_76 = input_76 & mask_SORT_2 [L136] input_78 = __VERIFIER_nondet_uchar() [L137] EXPR input_78 & mask_SORT_2 [L137] input_78 = input_78 & mask_SORT_2 [L138] input_80 = __VERIFIER_nondet_uchar() [L139] EXPR input_80 & mask_SORT_2 [L139] input_80 = input_80 & mask_SORT_2 [L140] input_82 = __VERIFIER_nondet_uchar() [L141] EXPR input_82 & mask_SORT_2 [L141] input_82 = input_82 & mask_SORT_2 [L142] input_84 = __VERIFIER_nondet_uchar() [L143] EXPR input_84 & mask_SORT_2 [L143] input_84 = input_84 & mask_SORT_2 [L144] input_86 = __VERIFIER_nondet_uchar() [L145] EXPR input_86 & mask_SORT_2 [L145] input_86 = input_86 & mask_SORT_2 [L146] input_88 = __VERIFIER_nondet_uchar() [L147] EXPR input_88 & mask_SORT_2 [L147] input_88 = input_88 & mask_SORT_2 [L148] input_90 = __VERIFIER_nondet_uchar() [L149] EXPR input_90 & mask_SORT_2 [L149] input_90 = input_90 & mask_SORT_2 [L150] input_92 = __VERIFIER_nondet_uchar() [L151] EXPR input_92 & mask_SORT_2 [L151] input_92 = input_92 & mask_SORT_2 [L152] input_94 = __VERIFIER_nondet_uchar() [L153] EXPR input_94 & mask_SORT_2 [L153] input_94 = input_94 & mask_SORT_2 [L154] input_96 = __VERIFIER_nondet_uchar() [L155] EXPR input_96 & mask_SORT_1 [L155] input_96 = input_96 & mask_SORT_1 [L156] input_98 = __VERIFIER_nondet_uchar() [L157] EXPR input_98 & mask_SORT_1 [L157] input_98 = input_98 & mask_SORT_1 [L158] input_100 = __VERIFIER_nondet_uchar() [L159] EXPR input_100 & mask_SORT_1 [L159] input_100 = input_100 & mask_SORT_1 [L160] input_104 = __VERIFIER_nondet_uchar() [L161] EXPR input_104 & mask_SORT_1 [L161] input_104 = input_104 & mask_SORT_1 [L162] input_111 = __VERIFIER_nondet_uchar() [L163] EXPR input_111 & mask_SORT_1 [L163] input_111 = input_111 & mask_SORT_1 [L164] input_122 = __VERIFIER_nondet_uchar() [L165] EXPR input_122 & mask_SORT_1 [L165] input_122 = input_122 & mask_SORT_1 [L166] input_128 = __VERIFIER_nondet_uchar() [L167] EXPR input_128 & mask_SORT_1 [L167] input_128 = input_128 & mask_SORT_1 [L168] input_137 = __VERIFIER_nondet_uchar() [L171] SORT_1 var_39_arg_0 = state_29; [L172] SORT_1 var_39_arg_1 = state_31; [L173] EXPR var_39_arg_0 & var_39_arg_1 [L173] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L174] SORT_1 var_40_arg_0 = var_39; [L175] SORT_1 var_40_arg_1 = ~state_33; [L176] EXPR var_40_arg_1 & mask_SORT_1 [L176] var_40_arg_1 = var_40_arg_1 & mask_SORT_1 [L177] EXPR var_40_arg_0 & var_40_arg_1 [L177] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L178] SORT_2 var_42_arg_0 = var_41; [L179] SORT_2 var_42_arg_1 = state_6; [L180] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L181] SORT_1 var_43_arg_0 = var_40; [L182] SORT_1 var_43_arg_1 = var_42; [L183] EXPR var_43_arg_0 & var_43_arg_1 [L183] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L184] SORT_2 var_45_arg_0 = var_44; [L185] SORT_2 var_45_arg_1 = state_8; [L186] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L187] SORT_1 var_46_arg_0 = var_43; [L188] SORT_1 var_46_arg_1 = var_45; [L189] EXPR var_46_arg_0 & var_46_arg_1 [L189] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L190] SORT_2 var_48_arg_0 = var_47; [L191] SORT_2 var_48_arg_1 = state_10; [L192] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L193] SORT_1 var_49_arg_0 = var_46; [L194] SORT_1 var_49_arg_1 = var_48; [L195] EXPR var_49_arg_0 & var_49_arg_1 [L195] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L196] SORT_2 var_51_arg_0 = var_50; [L197] SORT_2 var_51_arg_1 = state_12; [L198] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L199] SORT_1 var_52_arg_0 = var_49; [L200] SORT_1 var_52_arg_1 = var_51; [L201] EXPR var_52_arg_0 & var_52_arg_1 [L201] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L202] SORT_2 var_54_arg_0 = var_53; [L203] SORT_2 var_54_arg_1 = state_14; [L204] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L205] SORT_1 var_55_arg_0 = var_52; [L206] SORT_1 var_55_arg_1 = var_54; [L207] EXPR var_55_arg_0 & var_55_arg_1 [L207] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L208] SORT_2 var_57_arg_0 = var_56; [L209] SORT_2 var_57_arg_1 = state_16; [L210] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L211] SORT_1 var_58_arg_0 = var_55; [L212] SORT_1 var_58_arg_1 = var_57; [L213] EXPR var_58_arg_0 & var_58_arg_1 [L213] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L214] SORT_2 var_60_arg_0 = var_59; [L215] SORT_2 var_60_arg_1 = state_18; [L216] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L217] SORT_1 var_61_arg_0 = var_58; [L218] SORT_1 var_61_arg_1 = var_60; [L219] EXPR var_61_arg_0 & var_61_arg_1 [L219] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L220] SORT_2 var_63_arg_0 = var_62; [L221] SORT_2 var_63_arg_1 = state_20; [L222] SORT_1 var_63 = var_63_arg_0 == var_63_arg_1; [L223] SORT_1 var_64_arg_0 = var_61; [L224] SORT_1 var_64_arg_1 = var_63; [L225] EXPR var_64_arg_0 & var_64_arg_1 [L225] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L226] SORT_2 var_66_arg_0 = var_65; [L227] SORT_2 var_66_arg_1 = state_22; [L228] SORT_1 var_66 = var_66_arg_0 == var_66_arg_1; [L229] SORT_1 var_67_arg_0 = var_64; [L230] SORT_1 var_67_arg_1 = var_66; [L231] EXPR var_67_arg_0 & var_67_arg_1 [L231] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L232] SORT_2 var_68_arg_0 = var_41; [L233] SORT_2 var_68_arg_1 = state_24; [L234] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L235] SORT_1 var_69_arg_0 = var_67; [L236] SORT_1 var_69_arg_1 = var_68; [L237] EXPR var_69_arg_0 & var_69_arg_1 [L237] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L238] SORT_2 var_70_arg_0 = var_41; [L239] SORT_2 var_70_arg_1 = state_26; [L240] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L241] SORT_1 var_71_arg_0 = var_69; [L242] SORT_1 var_71_arg_1 = var_70; [L243] EXPR var_71_arg_0 & var_71_arg_1 [L243] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L244] SORT_1 var_72_arg_0 = state_37; [L245] SORT_1 var_72_arg_1 = var_71; [L246] EXPR var_72_arg_0 & var_72_arg_1 [L246] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L247] EXPR var_72 & mask_SORT_1 [L247] var_72 = var_72 & mask_SORT_1 [L248] SORT_1 bad_73_arg_0 = var_72; [L249] CALL __VERIFIER_assert(!(bad_73_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: 0.5s, 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, 0.2s 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 20:39:07,924 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...