/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-89.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:08:57,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:08:58,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:08:58,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:08:58,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:08:58,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:08:58,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:08:58,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:08:58,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:08:58,060 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:08:58,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:08:58,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:08:58,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:08:58,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:08:58,062 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:08:58,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:08:58,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:08:58,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:08:58,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:08:58,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:08:58,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:08:58,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:08:58,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:08:58,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:08:58,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:08:58,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:08:58,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:08:58,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:08:58,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:08:58,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:08:58,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:08:58,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:08:58,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:08:58,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:08:58,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:08:58,264 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:08:58,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-89.i [2023-12-20 23:08:59,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:08:59,475 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:08:59,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-89.i [2023-12-20 23:08:59,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd4cf57b/1a0c859efdd140e4967e501f64745246/FLAG2ed93ff03 [2023-12-20 23:08:59,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd4cf57b/1a0c859efdd140e4967e501f64745246 [2023-12-20 23:08:59,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:08:59,500 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:08:59,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:08:59,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:08:59,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:08:59,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b42df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59, skipping insertion in model container [2023-12-20 23:08:59,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:08:59,645 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-89.i[915,928] [2023-12-20 23:08:59,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:08:59,687 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:08:59,695 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-89.i[915,928] [2023-12-20 23:08:59,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:08:59,734 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:08:59,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59 WrapperNode [2023-12-20 23:08:59,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:08:59,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:08:59,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:08:59,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:08:59,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,770 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-12-20 23:08:59,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:08:59,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:08:59,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:08:59,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:08:59,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,790 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]. [2023-12-20 23:08:59,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:08:59,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:08:59,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:08:59,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:08:59,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (1/1) ... [2023-12-20 23:08:59,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:08:59,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:08:59,823 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) [2023-12-20 23:08:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:08:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:08:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:08:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:08:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:08:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:08:59,864 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 [2023-12-20 23:08:59,908 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:08:59,909 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:09:00,110 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:09:00,152 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:09:00,152 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:09:00,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:09:00 BoogieIcfgContainer [2023-12-20 23:09:00,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:09:00,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:09:00,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:09:00,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:09:00,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:08:59" (1/3) ... [2023-12-20 23:09:00,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2e0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:09:00, skipping insertion in model container [2023-12-20 23:09:00,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:08:59" (2/3) ... [2023-12-20 23:09:00,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b2e0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:09:00, skipping insertion in model container [2023-12-20 23:09:00,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:09:00" (3/3) ... [2023-12-20 23:09:00,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-89.i [2023-12-20 23:09:00,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:09:00,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:09:00,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:09:00,214 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;@6f174853, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:09:00,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:09:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-20 23:09:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 23:09:00,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:09:00,226 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:09:00,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:09:00,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:09:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash -307185012, now seen corresponding path program 1 times [2023-12-20 23:09:00,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:09:00,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606164072] [2023-12-20 23:09:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:09:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:09:00,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:09:00,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606164072] [2023-12-20 23:09:00,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:09:00,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095817975] [2023-12-20 23:09:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:09:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:09:00,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:09:00,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:09:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:09:00,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:09:00,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:09:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-12-20 23:09:00,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:09:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095817975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:09:00,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:09:00,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:09:00,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181833159] [2023-12-20 23:09:00,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:09:00,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:09:00,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:09:00,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:09:00,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:09:00,710 INFO L87 Difference]: Start difference. First operand has 48 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-20 23:09:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:09:00,746 INFO L93 Difference]: Finished difference Result 93 states and 161 transitions. [2023-12-20 23:09:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:09:00,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2023-12-20 23:09:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:09:00,753 INFO L225 Difference]: With dead ends: 93 [2023-12-20 23:09:00,754 INFO L226 Difference]: Without dead ends: 46 [2023-12-20 23:09:00,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:09:00,759 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:09:00,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:09:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-20 23:09:00,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-20 23:09:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-20 23:09:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 67 transitions. [2023-12-20 23:09:00,799 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 67 transitions. Word has length 116 [2023-12-20 23:09:00,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:09:00,799 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 67 transitions. [2023-12-20 23:09:00,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-20 23:09:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2023-12-20 23:09:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 23:09:00,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:09:00,802 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:09:00,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 23:09:01,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-20 23:09:01,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:09:01,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:09:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1475096890, now seen corresponding path program 1 times [2023-12-20 23:09:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:09:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996550927] [2023-12-20 23:09:01,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:09:01,061 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:09:01,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379290368] [2023-12-20 23:09:01,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:01,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:09:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:09:01,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:09:01,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:09:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:09:01,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 23:09:01,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:09:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-12-20 23:09:01,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:09:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-20 23:09:01,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:09:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996550927] [2023-12-20 23:09:01,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:09:01,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379290368] [2023-12-20 23:09:01,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379290368] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:09:01,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:09:01,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-20 23:09:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140989169] [2023-12-20 23:09:01,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:09:01,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 23:09:01,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:09:01,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 23:09:01,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-20 23:09:01,427 INFO L87 Difference]: Start difference. First operand 46 states and 67 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-20 23:09:01,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:09:01,566 INFO L93 Difference]: Finished difference Result 97 states and 138 transitions. [2023-12-20 23:09:01,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:09:01,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 116 [2023-12-20 23:09:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:09:01,568 INFO L225 Difference]: With dead ends: 97 [2023-12-20 23:09:01,568 INFO L226 Difference]: Without dead ends: 52 [2023-12-20 23:09:01,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 222 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-20 23:09:01,569 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 42 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:09:01,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 110 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:09:01,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-20 23:09:01,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2023-12-20 23:09:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-20 23:09:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 69 transitions. [2023-12-20 23:09:01,577 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 69 transitions. Word has length 116 [2023-12-20 23:09:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:09:01,578 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 69 transitions. [2023-12-20 23:09:01,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-20 23:09:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2023-12-20 23:09:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 23:09:01,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:09:01,580 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:09:01,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 23:09:01,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-20 23:09:01,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:09:01,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:09:01,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1475156472, now seen corresponding path program 1 times [2023-12-20 23:09:01,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:09:01,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17713688] [2023-12-20 23:09:01,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:01,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:09:01,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:09:01,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5732060] [2023-12-20 23:09:01,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:09:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:09:01,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:09:01,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:09:01,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:09:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:09:01,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:09:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:09:02,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:09:02,063 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:09:02,064 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:09:02,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 23:09:02,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:09:02,273 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-20 23:09:02,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:09:02,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:09:02 BoogieIcfgContainer [2023-12-20 23:09:02,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:09:02,356 INFO L158 Benchmark]: Toolchain (without parser) took 2854.66ms. Allocated memory is still 327.2MB. Free memory was 272.0MB in the beginning and 172.6MB in the end (delta: 99.4MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,358 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 213.9MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:09:02,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.49ms. Allocated memory is still 327.2MB. Free memory was 271.5MB in the beginning and 258.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.34ms. Allocated memory is still 327.2MB. Free memory was 258.9MB in the beginning and 256.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,359 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 327.2MB. Free memory was 255.8MB in the beginning and 252.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,359 INFO L158 Benchmark]: RCFGBuilder took 352.19ms. Allocated memory is still 327.2MB. Free memory was 252.7MB in the beginning and 234.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,359 INFO L158 Benchmark]: TraceAbstraction took 2199.55ms. Allocated memory is still 327.2MB. Free memory was 233.8MB in the beginning and 172.6MB in the end (delta: 61.2MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. [2023-12-20 23:09:02,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 213.9MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 233.49ms. Allocated memory is still 327.2MB. Free memory was 271.5MB in the beginning and 258.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.34ms. Allocated memory is still 327.2MB. Free memory was 258.9MB in the beginning and 256.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 327.2MB. Free memory was 255.8MB in the beginning and 252.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 352.19ms. Allocated memory is still 327.2MB. Free memory was 252.7MB in the beginning and 234.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2199.55ms. Allocated memory is still 327.2MB. Free memory was 233.8MB in the beginning and 172.6MB in the end (delta: 61.2MB). Peak memory consumption was 62.7MB. 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: 19]: 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 someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 5; [L24] unsigned char var_1_3 = 4; [L25] signed long int var_1_4 = -256; [L26] unsigned char var_1_5 = 0; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] double var_1_9 = 9.5; [L31] double var_1_10 = -0.4; [L32] double var_1_11 = 31.5; [L33] double var_1_12 = 16.25; [L34] double var_1_13 = 127.5; [L35] double var_1_14 = 100000.5; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L58] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=4, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L59] var_1_3 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L60] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L61] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L62] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L63] var_1_4 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L64] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L65] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=0, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L67] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L68] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L70] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_8=0, var_1_9=19/2] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_8=0, var_1_9=19/2] [L74] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L74] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L75] var_1_8 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=19/2] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=19/2] [L77] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L77] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L78] var_1_10 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L79] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_12=65/4, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L80] var_1_12 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L81] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_13=255/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L82] var_1_13 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L83] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_14=200001/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L84] var_1_14 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L85] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=63/2, var_1_1=0, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L98] RET updateVariables() [L99] CALL step() [L39] COND TRUE (var_1_2 / var_1_3) >= var_1_4 [L40] var_1_1 = (var_1_5 && var_1_6) VAL [isInitial=1, var_1_11=63/2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L44] unsigned char stepLocal_0 = (var_1_6 && var_1_8) || (var_1_2 >= 5); VAL [isInitial=1, stepLocal_0=1, var_1_11=63/2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=19/2] [L45] COND TRUE stepLocal_0 && (var_1_3 < var_1_4) [L46] var_1_9 = var_1_10 VAL [isInitial=1, stepLocal_0=1, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L50] unsigned char stepLocal_1 = var_1_6; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=2, var_1_11=63/2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L51] COND TRUE (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || stepLocal_1 [L52] var_1_11 = (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return ((((var_1_2 / var_1_3) >= var_1_4) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : (var_1_1 == ((unsigned char) ((var_1_3 >= var_1_2) && (var_1_7 || var_1_8))))) && ((((var_1_6 && var_1_8) || (var_1_2 >= 5)) && (var_1_3 < var_1_4)) ? (var_1_9 == ((double) var_1_10)) : (var_1_9 == ((double) var_1_10)))) && (((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) > ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) || var_1_6) ? (var_1_11 == ((double) (((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))) + var_1_14))) : 1) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_1=1, var_1_2=5, var_1_3=1, var_1_4=2, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 102 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 337 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 2 NumberOfNonLiveVariables, 520 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1998/2052 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 [2023-12-20 23:09:02,389 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...