/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_floatingpointinfluence_no-floats_file-33.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:10:28,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:10:28,771 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 22:10:28,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:10:28,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:10:28,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:10:28,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:10:28,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:10:28,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:10:28,797 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:10:28,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:10:28,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:10:28,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:10:28,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:10:28,799 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:10:28,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:10:28,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:10:28,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:10:28,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:10:28,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:10:28,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:10:28,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:10:28,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:10:28,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:10:28,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:10:28,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:10:28,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:10:28,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:10:28,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:10:28,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:10:28,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:10:28,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:10:28,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:10:28,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:10:28,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:10:28,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:10:28,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:10:28,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:10:28,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:10:28,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:10:28,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:10:28,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:10:28,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:10:28,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:10:29,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:10:29,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:10:29,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:10:29,046 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:10:29,046 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:10:29,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-33.i [2023-12-20 22:10:30,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:10:30,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:10:30,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-33.i [2023-12-20 22:10:30,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9554aba91/21d1ce1908a64f2caeee41a5388d3965/FLAG287039e21 [2023-12-20 22:10:30,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9554aba91/21d1ce1908a64f2caeee41a5388d3965 [2023-12-20 22:10:30,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:10:30,449 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:10:30,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:10:30,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:10:30,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:10:30,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7346a04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30, skipping insertion in model container [2023-12-20 22:10:30,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:10:30,639 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_floatingpointinfluence_no-floats_file-33.i[916,929] [2023-12-20 22:10:30,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:10:30,707 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:10:30,723 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_floatingpointinfluence_no-floats_file-33.i[916,929] [2023-12-20 22:10:30,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:10:30,764 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:10:30,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30 WrapperNode [2023-12-20 22:10:30,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:10:30,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:10:30,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:10:30,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:10:30,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,809 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-12-20 22:10:30,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:10:30,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:10:30,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:10:30,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:10:30,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,847 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 22:10:30,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:10:30,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:10:30,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:10:30,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:10:30,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (1/1) ... [2023-12-20 22:10:30,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:10:30,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:10:30,896 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 22:10:30,922 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 22:10:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:10:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:10:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:10:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:10:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:10:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:10:31,027 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:10:31,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:10:31,260 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:10:31,286 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:10:31,287 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:10:31,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:10:31 BoogieIcfgContainer [2023-12-20 22:10:31,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:10:31,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:10:31,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:10:31,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:10:31,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:10:30" (1/3) ... [2023-12-20 22:10:31,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635539ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:10:31, skipping insertion in model container [2023-12-20 22:10:31,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:10:30" (2/3) ... [2023-12-20 22:10:31,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635539ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:10:31, skipping insertion in model container [2023-12-20 22:10:31,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:10:31" (3/3) ... [2023-12-20 22:10:31,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-33.i [2023-12-20 22:10:31,310 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:10:31,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:10:31,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:10:31,363 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;@17d6a256, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:10:31,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:10:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-20 22:10:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 22:10:31,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:10:31,378 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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 22:10:31,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:10:31,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:10:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1497251643, now seen corresponding path program 1 times [2023-12-20 22:10:31,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:10:31,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166085212] [2023-12-20 22:10:31,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:10:31,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:10:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:10:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:10:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:10:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:10:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:10:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:10:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:10:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:10:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:10:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:10:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:10:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:10:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-20 22:10:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:10:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166085212] [2023-12-20 22:10:31,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166085212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:10:31,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:10:31,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 22:10:31,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230413402] [2023-12-20 22:10:31,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:10:31,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 22:10:31,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:10:31,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 22:10:31,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:10:31,701 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-20 22:10:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:10:31,727 INFO L93 Difference]: Finished difference Result 79 states and 132 transitions. [2023-12-20 22:10:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 22:10:31,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2023-12-20 22:10:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:10:31,736 INFO L225 Difference]: With dead ends: 79 [2023-12-20 22:10:31,736 INFO L226 Difference]: Without dead ends: 39 [2023-12-20 22:10:31,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 22:10:31,742 INFO L413 NwaCegarLoop]: 53 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, 53 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 22:10:31,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:10:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-20 22:10:31,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-12-20 22:10:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-20 22:10:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 56 transitions. [2023-12-20 22:10:31,784 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 56 transitions. Word has length 80 [2023-12-20 22:10:31,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:10:31,785 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 56 transitions. [2023-12-20 22:10:31,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-20 22:10:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-12-20 22:10:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 22:10:31,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:10:31,788 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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 22:10:31,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 22:10:31,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:10:31,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:10:31,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1796544315, now seen corresponding path program 1 times [2023-12-20 22:10:31,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:10:31,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364575042] [2023-12-20 22:10:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:10:31,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:10:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:10:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:10:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:10:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:10:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:10:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:10:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:10:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:10:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:10:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:10:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:10:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:10:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-20 22:10:32,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:10:32,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364575042] [2023-12-20 22:10:32,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364575042] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 22:10:32,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282250775] [2023-12-20 22:10:32,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:10:32,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:10:32,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:10:32,302 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 22:10:32,326 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 22:10:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:10:32,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 22:10:32,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 22:10:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 11 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-20 22:10:32,816 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 22:10:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-20 22:10:33,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282250775] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 22:10:33,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 22:10:33,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 16 [2023-12-20 22:10:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581002240] [2023-12-20 22:10:33,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 22:10:33,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 22:10:33,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:10:33,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 22:10:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2023-12-20 22:10:33,029 INFO L87 Difference]: Start difference. First operand 39 states and 56 transitions. Second operand has 16 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 16 states have internal predecessors, (52), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-20 22:10:33,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:10:33,420 INFO L93 Difference]: Finished difference Result 141 states and 196 transitions. [2023-12-20 22:10:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-20 22:10:33,421 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 16 states have internal predecessors, (52), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) Word has length 80 [2023-12-20 22:10:33,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:10:33,422 INFO L225 Difference]: With dead ends: 141 [2023-12-20 22:10:33,423 INFO L226 Difference]: Without dead ends: 103 [2023-12-20 22:10:33,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2023-12-20 22:10:33,425 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 206 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 22:10:33,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 309 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 22:10:33,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-12-20 22:10:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 67. [2023-12-20 22:10:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-20 22:10:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 94 transitions. [2023-12-20 22:10:33,443 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 94 transitions. Word has length 80 [2023-12-20 22:10:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:10:33,444 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 94 transitions. [2023-12-20 22:10:33,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 16 states have internal predecessors, (52), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-20 22:10:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-12-20 22:10:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 22:10:33,446 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:10:33,446 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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 22:10:33,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 22:10:33,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 22:10:33,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:10:33,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:10:33,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2054709753, now seen corresponding path program 1 times [2023-12-20 22:10:33,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:10:33,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444517174] [2023-12-20 22:10:33,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:10:33,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:10:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:10:33,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 22:10:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:10:33,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 22:10:33,835 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 22:10:33,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 22:10:33,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 22:10:33,846 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-20 22:10:33,848 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 22:10:33,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:10:33 BoogieIcfgContainer [2023-12-20 22:10:33,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 22:10:33,923 INFO L158 Benchmark]: Toolchain (without parser) took 3474.94ms. Allocated memory was 187.7MB in the beginning and 352.3MB in the end (delta: 164.6MB). Free memory was 139.1MB in the beginning and 134.0MB in the end (delta: 5.1MB). Peak memory consumption was 170.1MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,925 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 187.7MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 22:10:33,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.54ms. Allocated memory is still 187.7MB. Free memory was 139.1MB in the beginning and 126.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 187.7MB. Free memory was 126.5MB in the beginning and 124.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,930 INFO L158 Benchmark]: Boogie Preprocessor took 56.49ms. Allocated memory is still 187.7MB. Free memory was 124.1MB in the beginning and 121.3MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,930 INFO L158 Benchmark]: RCFGBuilder took 417.46ms. Allocated memory is still 187.7MB. Free memory was 121.3MB in the beginning and 104.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,931 INFO L158 Benchmark]: TraceAbstraction took 2632.79ms. Allocated memory was 187.7MB in the beginning and 352.3MB in the end (delta: 164.6MB). Free memory was 103.5MB in the beginning and 134.0MB in the end (delta: -30.5MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. [2023-12-20 22:10:33,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 187.7MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.54ms. Allocated memory is still 187.7MB. Free memory was 139.1MB in the beginning and 126.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 187.7MB. Free memory was 126.5MB in the beginning and 124.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.49ms. Allocated memory is still 187.7MB. Free memory was 124.1MB in the beginning and 121.3MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 417.46ms. Allocated memory is still 187.7MB. Free memory was 121.3MB in the beginning and 104.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2632.79ms. Allocated memory was 187.7MB in the beginning and 352.3MB in the end (delta: 164.6MB). Free memory was 103.5MB in the beginning and 134.0MB in the end (delta: -30.5MB). Peak memory consumption was 134.5MB. 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 bitwise operation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] signed short int var_1_5 = 4; [L24] unsigned char var_1_7 = 200; [L25] unsigned char var_1_8 = 32; [L26] signed long int var_1_9 = 256; [L27] signed long int var_1_10 = 0; [L28] signed long int var_1_11 = 0; [L29] signed long int var_1_12 = 49; [L30] signed long int var_1_13 = -8; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 0; [L33] signed long int var_1_16 = -256; [L34] signed long int last_1_var_1_13 = -8; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L84] last_1_var_1_13 = var_1_13 [L94] RET updateLastVariables() [L95] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L66] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L66] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=32, var_1_9=256] [L67] var_1_8 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_9=256] [L68] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L69] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L70] var_1_10 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L71] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L72] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L73] var_1_11 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L74] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=49, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L76] var_1_12 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L79] var_1_14 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L80] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L81] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L81] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L95] RET updateVariables() [L96] CALL step() [L38] COND FALSE !(var_1_5 < last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=-256, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L41] var_1_16 = var_1_7 [L42] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-8, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L43] COND TRUE ! var_1_14 [L44] var_1_13 = var_1_8 VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=-10, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L52] var_1_15 = var_1_11 [L53] EXPR var_1_13 ^ var_1_7 [L53] signed long int stepLocal_0 = (var_1_13 ^ var_1_7) + var_1_16; [L54] COND TRUE stepLocal_0 < -1 [L55] var_1_1 = 8 VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_0=-2, stepLocal_1=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=8, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L59] EXPR var_1_7 | var_1_16 [L59] EXPR var_1_13 & (var_1_7 | var_1_16) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_0=-2, stepLocal_1=200, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=8, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L59] COND FALSE !(var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR var_1_13 ^ var_1_7 [L87] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((signed long int) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) [L87] EXPR var_1_7 | var_1_16 [L87] EXPR var_1_13 & (var_1_7 | var_1_16) [L87] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((signed long int) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=8, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L87-L88] return ((((((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((signed long int) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1)) && ((! var_1_14) ? (var_1_13 == ((signed long int) var_1_8)) : ((var_1_7 > (var_1_7 + var_1_7)) ? (var_1_13 == ((signed long int) var_1_7)) : (var_1_13 == ((signed long int) var_1_16))))) && (var_1_15 == ((signed long int) var_1_11))) && (var_1_16 == ((signed long int) var_1_7)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=8, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=200, var_1_1=8, var_1_5=0, var_1_7=200, var_1_8=0, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 270 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 92 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, 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, 2 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 1093 SizeOfPredicates, 5 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 957/1056 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 22:10:33,956 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...