/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-78.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 22:25:20,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 22:25:20,296 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 22:25:20,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 22:25:20,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 22:25:20,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 22:25:20,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 22:25:20,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 22:25:20,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 22:25:20,330 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 22:25:20,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 22:25:20,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 22:25:20,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 22:25:20,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 22:25:20,332 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 22:25:20,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 22:25:20,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 22:25:20,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 22:25:20,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 22:25:20,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 22:25:20,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 22:25:20,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 22:25:20,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 22:25:20,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 22:25:20,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 22:25:20,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 22:25:20,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 22:25:20,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 22:25:20,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 22:25:20,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 22:25:20,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 22:25:20,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 22:25:20,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:25:20,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 22:25:20,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 22:25:20,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 22:25:20,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 22:25:20,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 22:25:20,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 22:25:20,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 22:25:20,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 22:25:20,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 22:25:20,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 22:25:20,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 22:25:20,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 22:25:20,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 22:25:20,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 22:25:20,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 22:25:20,541 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 22:25:20,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-78.i [2023-12-20 22:25:21,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 22:25:21,769 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 22:25:21,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-78.i [2023-12-20 22:25:21,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a80bba9/927f03b1d531468dbbb9b657a12a511a/FLAG99788d400 [2023-12-20 22:25:21,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a80bba9/927f03b1d531468dbbb9b657a12a511a [2023-12-20 22:25:21,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 22:25:21,787 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 22:25:21,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 22:25:21,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 22:25:21,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 22:25:21,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:21,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a7d1ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21, skipping insertion in model container [2023-12-20 22:25:21,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:21,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 22:25:21,917 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-78.i[916,929] [2023-12-20 22:25:21,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:25:21,965 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 22:25:21,973 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-78.i[916,929] [2023-12-20 22:25:21,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 22:25:21,994 INFO L206 MainTranslator]: Completed translation [2023-12-20 22:25:21,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21 WrapperNode [2023-12-20 22:25:21,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 22:25:21,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 22:25:21,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 22:25:21,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 22:25:22,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,030 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-12-20 22:25:22,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 22:25:22,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 22:25:22,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 22:25:22,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 22:25:22,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,054 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 22:25:22,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 22:25:22,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 22:25:22,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 22:25:22,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 22:25:22,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (1/1) ... [2023-12-20 22:25:22,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 22:25:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 22:25:22,101 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 22:25:22,117 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 22:25:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 22:25:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 22:25:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 22:25:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 22:25:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 22:25:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 22:25:22,200 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 22:25:22,201 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 22:25:22,400 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 22:25:22,443 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 22:25:22,443 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 22:25:22,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:25:22 BoogieIcfgContainer [2023-12-20 22:25:22,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 22:25:22,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 22:25:22,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 22:25:22,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 22:25:22,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 10:25:21" (1/3) ... [2023-12-20 22:25:22,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214da39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:25:22, skipping insertion in model container [2023-12-20 22:25:22,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 10:25:21" (2/3) ... [2023-12-20 22:25:22,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214da39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 10:25:22, skipping insertion in model container [2023-12-20 22:25:22,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 10:25:22" (3/3) ... [2023-12-20 22:25:22,461 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-78.i [2023-12-20 22:25:22,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 22:25:22,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 22:25:22,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 22:25:22,525 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;@c374e24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 22:25:22,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 22:25:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-20 22:25:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 22:25:22,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:25:22,546 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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 22:25:22,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:25:22,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:25:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1407298392, now seen corresponding path program 1 times [2023-12-20 22:25:22,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:25:22,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874335197] [2023-12-20 22:25:22,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:25:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:25:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:25:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:25:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:25:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:25:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:25:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:25:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:25:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:25:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:25:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:25:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:25:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:25:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:25:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:25:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-20 22:25:22,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:25:22,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874335197] [2023-12-20 22:25:22,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874335197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:25:22,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:25:22,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 22:25:22,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544075830] [2023-12-20 22:25:22,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:25:22,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 22:25:22,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:25:22,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 22:25:22,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 22:25:22,856 INFO L87 Difference]: Start difference. First operand has 42 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-20 22:25:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:25:22,902 INFO L93 Difference]: Finished difference Result 81 states and 140 transitions. [2023-12-20 22:25:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 22:25:22,904 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2023-12-20 22:25:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:25:22,909 INFO L225 Difference]: With dead ends: 81 [2023-12-20 22:25:22,909 INFO L226 Difference]: Without dead ends: 40 [2023-12-20 22:25:22,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 22:25:22,913 INFO L413 NwaCegarLoop]: 56 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, 56 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 22:25:22,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:25:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-20 22:25:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-20 22:25:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-20 22:25:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2023-12-20 22:25:22,949 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 88 [2023-12-20 22:25:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:25:22,950 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2023-12-20 22:25:22,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-20 22:25:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-12-20 22:25:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 22:25:22,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:25:22,954 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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 22:25:22,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 22:25:22,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:25:22,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:25:22,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1413022232, now seen corresponding path program 1 times [2023-12-20 22:25:22,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:25:22,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131381711] [2023-12-20 22:25:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:25:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:25:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:25:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:25:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:25:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:25:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:25:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:25:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:25:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:25:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:25:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:25:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:25:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:25:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:25:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:25:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-20 22:25:23,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:25:23,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131381711] [2023-12-20 22:25:23,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131381711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:25:23,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:25:23,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 22:25:23,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606812896] [2023-12-20 22:25:23,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:25:23,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 22:25:23,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:25:23,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 22:25:23,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 22:25:23,359 INFO L87 Difference]: Start difference. First operand 40 states and 59 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-20 22:25:23,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:25:23,431 INFO L93 Difference]: Finished difference Result 118 states and 175 transitions. [2023-12-20 22:25:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 22:25:23,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 88 [2023-12-20 22:25:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:25:23,439 INFO L225 Difference]: With dead ends: 118 [2023-12-20 22:25:23,439 INFO L226 Difference]: Without dead ends: 79 [2023-12-20 22:25:23,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 22:25:23,440 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 29 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 22:25:23,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 155 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 22:25:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-20 22:25:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2023-12-20 22:25:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-20 22:25:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 112 transitions. [2023-12-20 22:25:23,475 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 112 transitions. Word has length 88 [2023-12-20 22:25:23,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:25:23,476 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 112 transitions. [2023-12-20 22:25:23,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-20 22:25:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2023-12-20 22:25:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 22:25:23,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:25:23,477 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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 22:25:23,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 22:25:23,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:25:23,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:25:23,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1412962650, now seen corresponding path program 1 times [2023-12-20 22:25:23,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:25:23,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026912810] [2023-12-20 22:25:23,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:25:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:25:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-20 22:25:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 22:25:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 22:25:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-20 22:25:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-20 22:25:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-20 22:25:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-20 22:25:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-20 22:25:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-20 22:25:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-20 22:25:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-20 22:25:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-20 22:25:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-20 22:25:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-20 22:25:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 22:25:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-20 22:25:24,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 22:25:24,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026912810] [2023-12-20 22:25:24,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026912810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 22:25:24,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 22:25:24,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 22:25:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47583722] [2023-12-20 22:25:24,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 22:25:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 22:25:24,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 22:25:24,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 22:25:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-20 22:25:24,726 INFO L87 Difference]: Start difference. First operand 76 states and 112 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-20 22:25:25,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 22:25:25,354 INFO L93 Difference]: Finished difference Result 145 states and 197 transitions. [2023-12-20 22:25:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 22:25:25,354 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2023-12-20 22:25:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 22:25:25,356 INFO L225 Difference]: With dead ends: 145 [2023-12-20 22:25:25,356 INFO L226 Difference]: Without dead ends: 143 [2023-12-20 22:25:25,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-12-20 22:25:25,357 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 124 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 22:25:25,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 322 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 22:25:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-20 22:25:25,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 119. [2023-12-20 22:25:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 74 states have internal predecessors, (86), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-20 22:25:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2023-12-20 22:25:25,375 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 88 [2023-12-20 22:25:25,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 22:25:25,375 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2023-12-20 22:25:25,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-20 22:25:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2023-12-20 22:25:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-20 22:25:25,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 22:25:25,376 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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 22:25:25,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 22:25:25,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 22:25:25,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 22:25:25,377 INFO L85 PathProgramCache]: Analyzing trace with hash -732904280, now seen corresponding path program 1 times [2023-12-20 22:25:25,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 22:25:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109339348] [2023-12-20 22:25:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 22:25:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 22:25:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:25:25,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 22:25:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 22:25:25,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 22:25:25,432 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 22:25:25,433 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 22:25:25,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 22:25:25,436 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-20 22:25:25,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 22:25:25,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 10:25:25 BoogieIcfgContainer [2023-12-20 22:25:25,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 22:25:25,478 INFO L158 Benchmark]: Toolchain (without parser) took 3691.41ms. Allocated memory was 205.5MB in the beginning and 276.8MB in the end (delta: 71.3MB). Free memory was 162.8MB in the beginning and 174.4MB in the end (delta: -11.5MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,479 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 205.5MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 22:25:25,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.33ms. Allocated memory is still 205.5MB. Free memory was 162.8MB in the beginning and 150.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.34ms. Allocated memory is still 205.5MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,479 INFO L158 Benchmark]: Boogie Preprocessor took 33.44ms. Allocated memory is still 205.5MB. Free memory was 148.2MB in the beginning and 145.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,479 INFO L158 Benchmark]: RCFGBuilder took 378.39ms. Allocated memory is still 205.5MB. Free memory was 145.7MB in the beginning and 129.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,480 INFO L158 Benchmark]: TraceAbstraction took 3032.46ms. Allocated memory was 205.5MB in the beginning and 276.8MB in the end (delta: 71.3MB). Free memory was 128.9MB in the beginning and 174.4MB in the end (delta: -45.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-20 22:25:25,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 205.5MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.33ms. Allocated memory is still 205.5MB. Free memory was 162.8MB in the beginning and 150.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.34ms. Allocated memory is still 205.5MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.44ms. Allocated memory is still 205.5MB. Free memory was 148.2MB in the beginning and 145.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 378.39ms. Allocated memory is still 205.5MB. Free memory was 145.7MB in the beginning and 129.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3032.46ms. Allocated memory was 205.5MB in the beginning and 276.8MB in the end (delta: 71.3MB). Free memory was 128.9MB in the beginning and 174.4MB in the end (delta: -45.4MB). Peak memory consumption was 26.2MB. 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 to_int at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_9 = 100; [L26] signed long int var_1_10 = 4; [L27] signed long int var_1_11 = 128; [L28] signed long int var_1_12 = 128; [L29] signed long int var_1_13 = 0; [L30] signed long int var_1_14 = 127; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=100] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_3=1, var_1_9=100] [L67] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=100] [L67] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=1, var_1_9=100] [L68] var_1_3 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=100] [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_9=100] [L70] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L70] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=4, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L71] var_1_10 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L72] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L73] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L73] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=128, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L74] var_1_11 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L75] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L76] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L76] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=0, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L77] var_1_13 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L78] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L79] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L79] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=127, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L80] var_1_14 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L81] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L82] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L82] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=16, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L83] var_1_16 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L84] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L85] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L85] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L98] RET updateVariables() [L99] CALL step() [L36] COND FALSE !(0.8f > (- var_1_10)) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L39] unsigned char stepLocal_1 = var_1_15 > var_1_15; [L40] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L41] COND FALSE !(var_1_2 && stepLocal_0) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=100] [L48] COND TRUE \read(var_1_2) [L49] var_1_9 = (var_1_10 - var_1_11) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=0] [L57] signed long int stepLocal_2 = var_1_1; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=-200, var_1_10=1, var_1_11=1, var_1_12=128, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=0] [L58] COND FALSE !(stepLocal_2 <= ((((8u) < 0 ) ? -(8u) : (8u)))) [L61] var_1_12 = ((var_1_13 - var_1_14) - var_1_11) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=-200, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=0] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_15 > var_1_15)) ? (var_1_1 == ((signed long int) (var_1_15 - var_1_15))) : (var_1_1 == ((signed long int) ((var_1_15 + 5) - var_1_15)))) : 1) && (var_1_2 ? (var_1_9 == ((signed long int) (var_1_10 - var_1_11))) : ((var_1_1 < var_1_15) ? (var_1_9 == ((signed long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))) : (var_1_9 == ((signed long int) var_1_10))))) && ((var_1_1 <= ((((8u) < 0 ) ? -(8u) : (8u)))) ? (var_1_12 == ((signed long int) (var_1_10 - 99.5))) : (var_1_12 == ((signed long int) ((var_1_13 - var_1_14) - var_1_11))))) && ((0.8f > (- var_1_10)) ? (var_1_15 == ((unsigned char) var_1_16)) : 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=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=2147483647, var_1_14=2147483646, var_1_15=1, var_1_16=254, var_1_1=-200, var_1_2=1, var_1_3=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 187 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=3, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 1402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1092/1092 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 22:25:25,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...