/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:00:29,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:00:29,099 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 20:00:29,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:00:29,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:00:29,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:00:29,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:00:29,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:00:29,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:00:29,129 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:00:29,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:00:29,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:00:29,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:00:29,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:00:29,131 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:00:29,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:00:29,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:00:29,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:00:29,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:00:29,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:00:29,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:00:29,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:00:29,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:00:29,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:00:29,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:00:29,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:00:29,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:00:29,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:00:29,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 20:00:29,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:00:29,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:00:29,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:00:29,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:00:29,360 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:00:29,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-12-16 20:00:30,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:00:30,615 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:00:30,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-12-16 20:00:30,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4e95f7f/e75c471fb7d748ef871a93fd0536e336/FLAGf4fa79ea4 [2023-12-16 20:00:31,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4e95f7f/e75c471fb7d748ef871a93fd0536e336 [2023-12-16 20:00:31,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:00:31,003 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:00:31,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:00:31,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:00:31,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:00:31,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc83b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31, skipping insertion in model container [2023-12-16 20:00:31,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:00:31,187 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.vis_QF_BV_bcuvis32.c[1258,1271] [2023-12-16 20:00:31,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:00:31,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:00:31,311 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.vis_QF_BV_bcuvis32.c[1258,1271] [2023-12-16 20:00:31,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:00:31,375 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:00:31,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31 WrapperNode [2023-12-16 20:00:31,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:00:31,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:00:31,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:00:31,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:00:31,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,479 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 674 [2023-12-16 20:00:31,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:00:31,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:00:31,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:00:31,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:00:31,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,524 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 20:00:31,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:00:31,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:00:31,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:00:31,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:00:31,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (1/1) ... [2023-12-16 20:00:31,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:00:31,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:00:31,624 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 20:00:31,642 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 20:00:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:00:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:00:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:00:31,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:00:31,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:00:31,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:00:32,310 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:00:32,340 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:00:32,340 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:00:32,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:00:32 BoogieIcfgContainer [2023-12-16 20:00:32,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:00:32,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:00:32,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:00:32,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:00:32,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:00:31" (1/3) ... [2023-12-16 20:00:32,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f150e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:00:32, skipping insertion in model container [2023-12-16 20:00:32,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:00:31" (2/3) ... [2023-12-16 20:00:32,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f150e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:00:32, skipping insertion in model container [2023-12-16 20:00:32,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:00:32" (3/3) ... [2023-12-16 20:00:32,348 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_bcuvis32.c [2023-12-16 20:00:32,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:00:32,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:00:32,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:00:32,409 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;@764320e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:00:32,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:00:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 87 states have (on average 1.6666666666666667) internal successors, (145), 88 states have internal predecessors, (145), 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 20:00:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 20:00:32,418 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:00:32,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 20:00:32,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:00:32,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:00:32,425 INFO L85 PathProgramCache]: Analyzing trace with hash 765313767, now seen corresponding path program 1 times [2023-12-16 20:00:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:00:32,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555505246] [2023-12-16 20:00:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:00:32,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:00:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:00:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:00:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:00:32,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555505246] [2023-12-16 20:00:32,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555505246] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:00:32,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:00:32,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 20:00:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159562148] [2023-12-16 20:00:32,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:00:32,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 20:00:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:00:32,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 20:00:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:00:32,967 INFO L87 Difference]: Start difference. First operand has 89 states, 87 states have (on average 1.6666666666666667) internal successors, (145), 88 states have internal predecessors, (145), 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) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 20:00:33,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:00:33,018 INFO L93 Difference]: Finished difference Result 147 states and 241 transitions. [2023-12-16 20:00:33,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 20:00:33,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) Word has length 38 [2023-12-16 20:00:33,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:00:33,027 INFO L225 Difference]: With dead ends: 147 [2023-12-16 20:00:33,027 INFO L226 Difference]: Without dead ends: 89 [2023-12-16 20:00:33,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:00:33,031 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 20:00:33,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 409 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 20:00:33,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-16 20:00:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-16 20:00:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.625) internal successors, (143), 88 states have internal predecessors, (143), 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 20:00:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 143 transitions. [2023-12-16 20:00:33,056 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 143 transitions. Word has length 38 [2023-12-16 20:00:33,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:00:33,057 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 143 transitions. [2023-12-16 20:00:33,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 20:00:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2023-12-16 20:00:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-16 20:00:33,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:00:33,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 20:00:33,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:00:33,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:00:33,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:00:33,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2043351847, now seen corresponding path program 1 times [2023-12-16 20:00:33,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:00:33,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263374680] [2023-12-16 20:00:33,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:00:33,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:00:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:00:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:00:33,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:00:33,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263374680] [2023-12-16 20:00:33,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263374680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:00:33,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:00:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 20:00:33,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075107491] [2023-12-16 20:00:33,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:00:33,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 20:00:33,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:00:33,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 20:00:33,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:00:33,180 INFO L87 Difference]: Start difference. First operand 89 states and 143 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 20:00:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:00:33,219 INFO L93 Difference]: Finished difference Result 150 states and 239 transitions. [2023-12-16 20:00:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 20:00:33,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) Word has length 39 [2023-12-16 20:00:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:00:33,222 INFO L225 Difference]: With dead ends: 150 [2023-12-16 20:00:33,222 INFO L226 Difference]: Without dead ends: 92 [2023-12-16 20:00:33,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:00:33,223 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 20:00:33,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 407 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 20:00:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-16 20:00:33,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2023-12-16 20:00:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.6111111111111112) internal successors, (145), 90 states have internal predecessors, (145), 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 20:00:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 145 transitions. [2023-12-16 20:00:33,229 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 145 transitions. Word has length 39 [2023-12-16 20:00:33,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:00:33,230 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 145 transitions. [2023-12-16 20:00:33,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 20:00:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2023-12-16 20:00:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 20:00:33,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:00:33,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 20:00:33,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 20:00:33,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:00:33,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:00:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash 870169921, now seen corresponding path program 1 times [2023-12-16 20:00:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:00:33,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903021697] [2023-12-16 20:00:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:00:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:00:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:00:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:00:33,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:00:33,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903021697] [2023-12-16 20:00:33,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903021697] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:00:33,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:00:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 20:00:33,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117013330] [2023-12-16 20:00:33,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:00:33,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 20:00:33,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:00:33,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 20:00:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 20:00:33,733 INFO L87 Difference]: Start difference. First operand 91 states and 145 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 20:00:33,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:00:33,988 INFO L93 Difference]: Finished difference Result 283 states and 447 transitions. [2023-12-16 20:00:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 20:00:33,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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) Word has length 40 [2023-12-16 20:00:33,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:00:33,991 INFO L225 Difference]: With dead ends: 283 [2023-12-16 20:00:33,991 INFO L226 Difference]: Without dead ends: 223 [2023-12-16 20:00:33,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-16 20:00:33,992 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 722 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 20:00:33,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 694 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 20:00:33,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-12-16 20:00:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 109. [2023-12-16 20:00:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.6018518518518519) internal successors, (173), 108 states have internal predecessors, (173), 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 20:00:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 173 transitions. [2023-12-16 20:00:34,004 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 173 transitions. Word has length 40 [2023-12-16 20:00:34,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:00:34,007 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 173 transitions. [2023-12-16 20:00:34,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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 20:00:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2023-12-16 20:00:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-16 20:00:34,010 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:00:34,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 20:00:34,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 20:00:34,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:00:34,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:00:34,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1649790013, now seen corresponding path program 1 times [2023-12-16 20:00:34,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:00:34,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749507218] [2023-12-16 20:00:34,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:00:34,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:00:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:00:34,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:00:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:00:34,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:00:34,109 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:00:34,110 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:00:34,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 20:00:34,114 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 20:00:34,117 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:00:34,161 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:00:34,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:00:34 BoogieIcfgContainer [2023-12-16 20:00:34,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:00:34,176 INFO L158 Benchmark]: Toolchain (without parser) took 3172.70ms. Allocated memory was 285.2MB in the beginning and 347.1MB in the end (delta: 61.9MB). Free memory was 229.1MB in the beginning and 217.8MB in the end (delta: 11.2MB). Peak memory consumption was 74.2MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,176 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 234.9MB. Free memory was 178.8MB in the beginning and 178.7MB in the end (delta: 138.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:00:34,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 285.2MB. Free memory was 229.1MB in the beginning and 209.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.80ms. Allocated memory is still 285.2MB. Free memory was 209.2MB in the beginning and 197.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,177 INFO L158 Benchmark]: Boogie Preprocessor took 114.10ms. Allocated memory is still 285.2MB. Free memory was 197.1MB in the beginning and 188.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,177 INFO L158 Benchmark]: RCFGBuilder took 746.92ms. Allocated memory is still 285.2MB. Free memory was 188.7MB in the beginning and 195.1MB in the end (delta: -6.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,177 INFO L158 Benchmark]: TraceAbstraction took 1831.96ms. Allocated memory was 285.2MB in the beginning and 347.1MB in the end (delta: 61.9MB). Free memory was 194.5MB in the beginning and 217.8MB in the end (delta: -23.3MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. [2023-12-16 20:00:34,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 234.9MB. Free memory was 178.8MB in the beginning and 178.7MB in the end (delta: 138.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 285.2MB. Free memory was 229.1MB in the beginning and 209.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 103.80ms. Allocated memory is still 285.2MB. Free memory was 209.2MB in the beginning and 197.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 114.10ms. Allocated memory is still 285.2MB. Free memory was 197.1MB in the beginning and 188.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 746.92ms. Allocated memory is still 285.2MB. Free memory was 188.7MB in the beginning and 195.1MB in the end (delta: -6.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1831.96ms. Allocated memory was 285.2MB in the beginning and 347.1MB in the end (delta: 61.9MB). Free memory was 194.5MB in the beginning and 217.8MB in the end (delta: -23.3MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 149. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 32); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (32 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 2); [L33] const SORT_16 msb_SORT_16 = (SORT_16)1 << (2 - 1); [L35] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 3); [L36] const SORT_59 msb_SORT_59 = (SORT_59)1 << (3 - 1); [L38] const SORT_16 var_17 = 0; [L39] const SORT_16 var_20 = 3; [L40] const SORT_3 var_22 = 1; [L41] const SORT_3 var_36 = 0; [L42] const SORT_16 var_77 = 2; [L43] const SORT_16 var_80 = 1; [L44] const SORT_59 var_92 = 0; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_1 input_5; [L49] SORT_3 input_6; [L50] SORT_3 input_7; [L51] SORT_3 input_8; [L52] SORT_1 input_9; [L53] SORT_3 input_10; [L54] SORT_3 input_11; [L55] SORT_1 input_12; [L56] SORT_3 input_13; [L57] SORT_3 input_14; [L58] SORT_3 input_15; [L59] SORT_1 input_32; [L60] SORT_3 input_34; [L61] SORT_1 input_39; [L62] SORT_3 input_41; [L63] SORT_1 input_47; [L64] SORT_1 input_53; [L65] SORT_1 input_55; [L66] SORT_1 input_57; [L67] SORT_59 input_60; [L68] SORT_59 input_66; [L69] SORT_1 input_69; [L70] SORT_3 input_73; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L72] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L73] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L74] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L75] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L76] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, state_45=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L77] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, state_45=0, state_49=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L78] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L79] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L80] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=0, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L81] SORT_3 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_16 init_19_arg_1 = var_17; [L84] state_18 = init_19_arg_1 [L85] SORT_3 init_24_arg_1 = var_22; [L86] state_23 = init_24_arg_1 [L87] SORT_3 init_38_arg_1 = var_36; [L88] state_37 = init_38_arg_1 [L89] SORT_3 init_44_arg_1 = var_36; [L90] state_43 = init_44_arg_1 [L91] SORT_3 init_46_arg_1 = var_36; [L92] state_45 = init_46_arg_1 [L93] SORT_3 init_50_arg_1 = var_36; [L94] state_49 = init_50_arg_1 [L95] SORT_3 init_52_arg_1 = var_36; [L96] state_51 = init_52_arg_1 [L97] SORT_3 init_63_arg_1 = var_36; [L98] state_62 = init_63_arg_1 [L99] SORT_3 init_65_arg_1 = var_36; [L100] state_64 = init_65_arg_1 [L101] SORT_3 init_72_arg_1 = var_36; [L102] state_71 = init_72_arg_1 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L105] input_2 = __VERIFIER_nondet_uint() [L106] input_4 = __VERIFIER_nondet_uchar() [L107] input_5 = __VERIFIER_nondet_uint() [L108] input_6 = __VERIFIER_nondet_uchar() [L109] input_7 = __VERIFIER_nondet_uchar() [L110] EXPR input_7 & mask_SORT_3 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_7=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L110] input_7 = input_7 & mask_SORT_3 [L111] input_8 = __VERIFIER_nondet_uchar() [L112] EXPR input_8 & mask_SORT_3 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L112] input_8 = input_8 & mask_SORT_3 [L113] input_9 = __VERIFIER_nondet_uint() [L114] input_10 = __VERIFIER_nondet_uchar() [L115] EXPR input_10 & mask_SORT_3 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L115] input_10 = input_10 & mask_SORT_3 [L116] input_11 = __VERIFIER_nondet_uchar() [L117] EXPR input_11 & mask_SORT_3 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_22=1, var_36=0, var_77=2, var_80=1, var_92=0] [L117] input_11 = input_11 & mask_SORT_3 [L118] input_12 = __VERIFIER_nondet_uint() [L119] input_13 = __VERIFIER_nondet_uchar() [L120] input_14 = __VERIFIER_nondet_uchar() [L121] input_15 = __VERIFIER_nondet_uchar() [L122] input_32 = __VERIFIER_nondet_uint() [L123] input_34 = __VERIFIER_nondet_uchar() [L124] input_39 = __VERIFIER_nondet_uint() [L125] input_41 = __VERIFIER_nondet_uchar() [L126] input_47 = __VERIFIER_nondet_uint() [L127] input_53 = __VERIFIER_nondet_uint() [L128] input_55 = __VERIFIER_nondet_uint() [L129] input_57 = __VERIFIER_nondet_uint() [L130] input_60 = __VERIFIER_nondet_uchar() [L131] input_66 = __VERIFIER_nondet_uchar() [L132] input_69 = __VERIFIER_nondet_uint() [L133] input_73 = __VERIFIER_nondet_uchar() [L136] SORT_16 var_21_arg_0 = state_18; [L137] SORT_16 var_21_arg_1 = var_20; [L138] SORT_3 var_21 = var_21_arg_0 != var_21_arg_1; [L139] SORT_3 var_25_arg_0 = state_23; [L140] SORT_3 var_25_arg_1 = var_22; [L141] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L142] SORT_3 var_26_arg_0 = var_21; [L143] SORT_3 var_26_arg_1 = var_25; VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_21=1, var_21_arg_0=0, var_21_arg_1=3, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26_arg_0=1, var_26_arg_1=1, var_36=0, var_77=2, var_80=1, var_92=0] [L144] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_21=1, var_21_arg_0=0, var_21_arg_1=3, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26_arg_0=1, var_26_arg_1=1, var_36=0, var_77=2, var_80=1, var_92=0] [L144] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L145] SORT_3 var_29_arg_0 = var_26; [L146] SORT_3 var_29 = ~var_29_arg_0; [L147] SORT_3 var_30_arg_0 = var_22; [L148] SORT_3 var_30_arg_1 = var_29; VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_21=1, var_21_arg_0=0, var_21_arg_1=3, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_29=254, var_29_arg_0=1, var_30_arg_0=1, var_30_arg_1=254, var_36=0, var_77=2, var_80=1, var_92=0] [L149] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_21=1, var_21_arg_0=0, var_21_arg_1=3, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_29=254, var_29_arg_0=1, var_30_arg_0=1, var_30_arg_1=254, var_36=0, var_77=2, var_80=1, var_92=0] [L149] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L150] EXPR var_30 & mask_SORT_3 VAL [init_19_arg_1=0, init_24_arg_1=1, init_38_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_72_arg_1=0, input_10=0, input_11=0, input_7=0, input_8=0, mask_SORT_16=3, mask_SORT_1=4294967295, mask_SORT_3=1, mask_SORT_59=7, msb_SORT_16=2, msb_SORT_1=2147483648, msb_SORT_3=1, msb_SORT_59=4, state_18=0, state_23=1, state_37=0, state_43=0, state_45=0, state_49=0, state_51=0, state_62=0, state_64=0, state_71=0, var_17=0, var_20=3, var_21=1, var_21_arg_0=0, var_21_arg_1=3, var_22=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_29=254, var_29_arg_0=1, var_30=1, var_30_arg_0=1, var_30_arg_1=254, var_36=0, var_77=2, var_80=1, var_92=0] [L150] var_30 = var_30 & mask_SORT_3 [L151] SORT_3 bad_31_arg_0 = var_30; [L152] CALL __VERIFIER_assert(!(bad_31_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, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 724 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 724 mSDsluCounter, 1510 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1085 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 425 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 20:00:34,203 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...