/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 20:58:09,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 20:58:09,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 20:58:09,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 20:58:09,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 20:58:09,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 20:58:09,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 20:58:09,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 20:58:09,738 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 20:58:09,741 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 20:58:09,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 20:58:09,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 20:58:09,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 20:58:09,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 20:58:09,743 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 20:58:09,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 20:58:09,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 20:58:09,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 20:58:09,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 20:58:09,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 20:58:09,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 20:58:09,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 20:58:09,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 20:58:09,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:58:09,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 20:58:09,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 20:58:09,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 20:58:09,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 20:58:09,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 20:58:09,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 20:58:09,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 20:58:09,749 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 20:58:09,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 20:58:09,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 20:58:09,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 20:58:09,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 20:58:09,946 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 20:58:09,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-4.i [2023-12-15 20:58:10,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 20:58:11,098 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 20:58:11,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-4.i [2023-12-15 20:58:11,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e077a010/75dd16450efd4a7eb61dc635dcdec7a3/FLAG2374e3c02 [2023-12-15 20:58:11,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e077a010/75dd16450efd4a7eb61dc635dcdec7a3 [2023-12-15 20:58:11,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 20:58:11,120 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 20:58:11,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 20:58:11,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 20:58:11,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 20:58:11,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ce961d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11, skipping insertion in model container [2023-12-15 20:58:11,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 20:58:11,239 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-4.i[914,927] [2023-12-15 20:58:11,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:58:11,290 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 20:58:11,298 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-4.i[914,927] [2023-12-15 20:58:11,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:58:11,326 INFO L206 MainTranslator]: Completed translation [2023-12-15 20:58:11,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11 WrapperNode [2023-12-15 20:58:11,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 20:58:11,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 20:58:11,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 20:58:11,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 20:58:11,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,368 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-12-15 20:58:11,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 20:58:11,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 20:58:11,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 20:58:11,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 20:58:11,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,408 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]. [2023-12-15 20:58:11,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 20:58:11,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 20:58:11,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 20:58:11,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 20:58:11,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (1/1) ... [2023-12-15 20:58:11,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:58:11,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:11,525 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) [2023-12-15 20:58:11,589 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 [2023-12-15 20:58:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 20:58:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 20:58:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 20:58:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 20:58:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 20:58:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 20:58:11,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 20:58:11,649 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 20:58:11,955 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 20:58:11,995 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 20:58:11,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 20:58:11,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:11 BoogieIcfgContainer [2023-12-15 20:58:11,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 20:58:11,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 20:58:11,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 20:58:12,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 20:58:12,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:58:11" (1/3) ... [2023-12-15 20:58:12,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccd97d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:12, skipping insertion in model container [2023-12-15 20:58:12,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:58:11" (2/3) ... [2023-12-15 20:58:12,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccd97d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:58:12, skipping insertion in model container [2023-12-15 20:58:12,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:58:11" (3/3) ... [2023-12-15 20:58:12,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-4.i [2023-12-15 20:58:12,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 20:58:12,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 20:58:12,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 20:58:12,052 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;@3afb1569, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 20:58:12,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 20:58:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 20:58:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-15 20:58:12,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:12,075 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:12,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:12,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:12,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1615965193, now seen corresponding path program 1 times [2023-12-15 20:58:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:12,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046974774] [2023-12-15 20:58:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:12,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:12,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046974774] [2023-12-15 20:58:12,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 20:58:12,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232263116] [2023-12-15 20:58:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:12,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:12,272 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) [2023-12-15 20:58:12,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 20:58:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:12,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 20:58:12,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-12-15 20:58:12,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:58:12,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232263116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:58:12,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:58:12,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 20:58:12,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329806685] [2023-12-15 20:58:12,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:58:12,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 20:58:12,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:12,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 20:58:12,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:58:12,480 INFO L87 Difference]: Start difference. First operand has 58 states, 35 states have (on average 1.457142857142857) internal successors, (51), 36 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 20:58:12,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:12,527 INFO L93 Difference]: Finished difference Result 115 states and 201 transitions. [2023-12-15 20:58:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 20:58:12,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2023-12-15 20:58:12,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:12,534 INFO L225 Difference]: With dead ends: 115 [2023-12-15 20:58:12,534 INFO L226 Difference]: Without dead ends: 56 [2023-12-15 20:58:12,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:58:12,540 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:12,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:58:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-12-15 20:58:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-12-15 20:58:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 20:58:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 85 transitions. [2023-12-15 20:58:12,574 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 85 transitions. Word has length 125 [2023-12-15 20:58:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:12,574 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 85 transitions. [2023-12-15 20:58:12,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 20:58:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2023-12-15 20:58:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-15 20:58:12,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:12,577 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:12,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 20:58:12,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 20:58:12,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:12,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:12,783 INFO L85 PathProgramCache]: Analyzing trace with hash -116990407, now seen corresponding path program 1 times [2023-12-15 20:58:12,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:12,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936137652] [2023-12-15 20:58:12,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:12,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:12,838 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:12,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716120471] [2023-12-15 20:58:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:12,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:12,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:12,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 20:58:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:12,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 20:58:12,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2023-12-15 20:58:13,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:58:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 20:58:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936137652] [2023-12-15 20:58:13,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716120471] [2023-12-15 20:58:13,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716120471] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:58:13,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:58:13,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-12-15 20:58:13,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976564296] [2023-12-15 20:58:13,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:58:13,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 20:58:13,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:13,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 20:58:13,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-15 20:58:13,366 INFO L87 Difference]: Start difference. First operand 56 states and 85 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-15 20:58:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:13,736 INFO L93 Difference]: Finished difference Result 181 states and 265 transitions. [2023-12-15 20:58:13,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-15 20:58:13,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 126 [2023-12-15 20:58:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:13,739 INFO L225 Difference]: With dead ends: 181 [2023-12-15 20:58:13,739 INFO L226 Difference]: Without dead ends: 126 [2023-12-15 20:58:13,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 241 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2023-12-15 20:58:13,741 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 136 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:13,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 346 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 20:58:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-12-15 20:58:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2023-12-15 20:58:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 71 states have (on average 1.267605633802817) internal successors, (90), 71 states have internal predecessors, (90), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-15 20:58:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 170 transitions. [2023-12-15 20:58:13,756 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 170 transitions. Word has length 126 [2023-12-15 20:58:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:13,757 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 170 transitions. [2023-12-15 20:58:13,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-15 20:58:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 170 transitions. [2023-12-15 20:58:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-15 20:58:13,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:13,758 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:13,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:13,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 20:58:13,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:13,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:13,964 INFO L85 PathProgramCache]: Analyzing trace with hash -116930825, now seen corresponding path program 1 times [2023-12-15 20:58:13,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:13,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827591792] [2023-12-15 20:58:13,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:13,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:14,014 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:14,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718752446] [2023-12-15 20:58:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:14,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:14,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 20:58:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:14,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 20:58:14,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2023-12-15 20:58:14,253 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:58:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 20:58:14,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:14,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827591792] [2023-12-15 20:58:14,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:14,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718752446] [2023-12-15 20:58:14,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718752446] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:58:14,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:58:14,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-12-15 20:58:14,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206489518] [2023-12-15 20:58:14,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:58:14,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 20:58:14,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:14,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 20:58:14,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-15 20:58:14,414 INFO L87 Difference]: Start difference. First operand 116 states and 170 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-15 20:58:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:14,634 INFO L93 Difference]: Finished difference Result 187 states and 267 transitions. [2023-12-15 20:58:14,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 20:58:14,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 126 [2023-12-15 20:58:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:14,636 INFO L225 Difference]: With dead ends: 187 [2023-12-15 20:58:14,636 INFO L226 Difference]: Without dead ends: 68 [2023-12-15 20:58:14,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2023-12-15 20:58:14,638 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 123 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:14,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 95 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:58:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-15 20:58:14,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2023-12-15 20:58:14,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.131578947368421) internal successors, (43), 38 states have internal predecessors, (43), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 20:58:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2023-12-15 20:58:14,645 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 126 [2023-12-15 20:58:14,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:14,646 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2023-12-15 20:58:14,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-12-15 20:58:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2023-12-15 20:58:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-15 20:58:14,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:14,647 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:14,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:14,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:14,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:14,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:14,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1674747703, now seen corresponding path program 1 times [2023-12-15 20:58:14,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:14,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723095852] [2023-12-15 20:58:14,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:14,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:14,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101489307] [2023-12-15 20:58:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:14,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:14,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:14,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 20:58:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:14,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 20:58:14,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 20:58:15,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:58:15,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723095852] [2023-12-15 20:58:15,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:15,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101489307] [2023-12-15 20:58:15,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101489307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:58:15,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:58:15,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:58:15,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367326328] [2023-12-15 20:58:15,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:58:15,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 20:58:15,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:15,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 20:58:15,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:58:15,091 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:15,234 INFO L93 Difference]: Finished difference Result 244 states and 327 transitions. [2023-12-15 20:58:15,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:58:15,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-12-15 20:58:15,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:15,236 INFO L225 Difference]: With dead ends: 244 [2023-12-15 20:58:15,236 INFO L226 Difference]: Without dead ends: 183 [2023-12-15 20:58:15,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-15 20:58:15,237 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:15,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 314 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:58:15,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-12-15 20:58:15,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2023-12-15 20:58:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 109 states have (on average 1.1009174311926606) internal successors, (120), 109 states have internal predecessors, (120), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-15 20:58:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 240 transitions. [2023-12-15 20:58:15,254 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 240 transitions. Word has length 127 [2023-12-15 20:58:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:15,255 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 240 transitions. [2023-12-15 20:58:15,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 240 transitions. [2023-12-15 20:58:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-15 20:58:15,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:15,256 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:15,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:15,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:15,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:15,461 INFO L85 PathProgramCache]: Analyzing trace with hash 865401077, now seen corresponding path program 1 times [2023-12-15 20:58:15,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:15,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376041969] [2023-12-15 20:58:15,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:15,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:15,479 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:15,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728860495] [2023-12-15 20:58:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:15,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:15,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:15,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 20:58:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:15,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-15 20:58:15,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 20:58:15,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:58:15,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:15,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376041969] [2023-12-15 20:58:15,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:15,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728860495] [2023-12-15 20:58:15,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728860495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:58:15,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:58:15,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:58:15,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947664188] [2023-12-15 20:58:15,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:58:15,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:58:15,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:15,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:58:15,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:58:15,820 INFO L87 Difference]: Start difference. First operand 179 states and 240 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:15,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:15,898 INFO L93 Difference]: Finished difference Result 294 states and 395 transitions. [2023-12-15 20:58:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:58:15,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-12-15 20:58:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:15,900 INFO L225 Difference]: With dead ends: 294 [2023-12-15 20:58:15,900 INFO L226 Difference]: Without dead ends: 175 [2023-12-15 20:58:15,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:58:15,901 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 84 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:15,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 169 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:58:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-15 20:58:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 121. [2023-12-15 20:58:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.1081081081081081) internal successors, (82), 74 states have internal predecessors, (82), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-15 20:58:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 162 transitions. [2023-12-15 20:58:15,927 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 162 transitions. Word has length 127 [2023-12-15 20:58:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:15,927 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 162 transitions. [2023-12-15 20:58:15,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 162 transitions. [2023-12-15 20:58:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-15 20:58:15,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:15,929 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:15,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:16,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:16,134 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:16,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1416582265, now seen corresponding path program 1 times [2023-12-15 20:58:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:16,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80608919] [2023-12-15 20:58:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:16,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:16,151 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:16,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1476002895] [2023-12-15 20:58:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:16,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:16,152 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:16,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 20:58:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:16,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 20:58:16,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 20:58:16,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:58:16,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:16,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80608919] [2023-12-15 20:58:16,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:16,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476002895] [2023-12-15 20:58:16,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476002895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:58:16,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:58:16,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:58:16,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219460529] [2023-12-15 20:58:16,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:58:16,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:58:16,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:16,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:58:16,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:58:16,245 INFO L87 Difference]: Start difference. First operand 121 states and 162 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:16,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:16,339 INFO L93 Difference]: Finished difference Result 252 states and 334 transitions. [2023-12-15 20:58:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:58:16,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-12-15 20:58:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:16,341 INFO L225 Difference]: With dead ends: 252 [2023-12-15 20:58:16,341 INFO L226 Difference]: Without dead ends: 191 [2023-12-15 20:58:16,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:58:16,342 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 79 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:16,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 280 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:58:16,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-15 20:58:16,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 179. [2023-12-15 20:58:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 109 states have (on average 1.091743119266055) internal successors, (119), 109 states have internal predecessors, (119), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-15 20:58:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2023-12-15 20:58:16,358 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 239 transitions. Word has length 127 [2023-12-15 20:58:16,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:16,359 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 239 transitions. [2023-12-15 20:58:16,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 239 transitions. [2023-12-15 20:58:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-15 20:58:16,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:16,360 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:16,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:16,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:16,565 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:16,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash 607235639, now seen corresponding path program 1 times [2023-12-15 20:58:16,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:16,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370795194] [2023-12-15 20:58:16,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:16,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:16,582 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:16,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611571759] [2023-12-15 20:58:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:16,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:16,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 20:58:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:17,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-15 20:58:17,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 400 proven. 60 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-12-15 20:58:17,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:58:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 63 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2023-12-15 20:58:18,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370795194] [2023-12-15 20:58:18,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611571759] [2023-12-15 20:58:18,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611571759] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:58:18,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:58:18,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2023-12-15 20:58:18,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484701324] [2023-12-15 20:58:18,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:58:18,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-15 20:58:18,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:18,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-15 20:58:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-12-15 20:58:18,193 INFO L87 Difference]: Start difference. First operand 179 states and 239 transitions. Second operand has 21 states, 20 states have (on average 3.4) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-12-15 20:58:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:19,381 INFO L93 Difference]: Finished difference Result 523 states and 674 transitions. [2023-12-15 20:58:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-15 20:58:19,382 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.4) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) Word has length 127 [2023-12-15 20:58:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:19,383 INFO L225 Difference]: With dead ends: 523 [2023-12-15 20:58:19,383 INFO L226 Difference]: Without dead ends: 345 [2023-12-15 20:58:19,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=638, Invalid=1618, Unknown=0, NotChecked=0, Total=2256 [2023-12-15 20:58:19,385 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 431 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:19,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 403 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 20:58:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-12-15 20:58:19,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 217. [2023-12-15 20:58:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 133 states have (on average 1.0526315789473684) internal successors, (140), 134 states have internal predecessors, (140), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-15 20:58:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 276 transitions. [2023-12-15 20:58:19,430 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 276 transitions. Word has length 127 [2023-12-15 20:58:19,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:19,431 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 276 transitions. [2023-12-15 20:58:19,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.4) internal successors, (68), 19 states have internal predecessors, (68), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 6 states have call predecessors, (40), 6 states have call successors, (40) [2023-12-15 20:58:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-12-15 20:58:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-15 20:58:19,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:19,432 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:19,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-15 20:58:19,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:19,637 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:19,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1475055386, now seen corresponding path program 1 times [2023-12-15 20:58:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:19,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513188292] [2023-12-15 20:58:19,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:19,669 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:19,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483792336] [2023-12-15 20:58:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:19,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:19,686 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:19,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 20:58:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:58:19,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 20:58:19,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:58:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 20:58:20,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:58:20,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:58:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513188292] [2023-12-15 20:58:20,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:58:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483792336] [2023-12-15 20:58:20,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483792336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:58:20,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:58:20,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:58:20,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030576024] [2023-12-15 20:58:20,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:58:20,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 20:58:20,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:58:20,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 20:58:20,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:58:20,366 INFO L87 Difference]: Start difference. First operand 217 states and 276 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:58:20,491 INFO L93 Difference]: Finished difference Result 378 states and 480 transitions. [2023-12-15 20:58:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:58:20,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-12-15 20:58:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:58:20,494 INFO L225 Difference]: With dead ends: 378 [2023-12-15 20:58:20,494 INFO L226 Difference]: Without dead ends: 217 [2023-12-15 20:58:20,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 20:58:20,495 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 18 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:58:20,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 217 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:58:20,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-15 20:58:20,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-15 20:58:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 133 states have (on average 1.0451127819548873) internal successors, (139), 134 states have internal predecessors, (139), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-15 20:58:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 275 transitions. [2023-12-15 20:58:20,521 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 275 transitions. Word has length 128 [2023-12-15 20:58:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:58:20,521 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 275 transitions. [2023-12-15 20:58:20,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 20:58:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 275 transitions. [2023-12-15 20:58:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-15 20:58:20,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:58:20,522 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:20,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:20,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 20:58:20,727 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:58:20,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:58:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2061861400, now seen corresponding path program 1 times [2023-12-15 20:58:20,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:58:20,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988960888] [2023-12-15 20:58:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:58:20,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:58:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795053126] [2023-12-15 20:58:20,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:58:20,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:20,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:58:20,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:58:20,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 20:58:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:58:20,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 20:58:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:58:20,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 20:58:20,964 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 20:58:20,964 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:58:20,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 20:58:21,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:58:21,170 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:58:21,172 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:58:21,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:58:21 BoogieIcfgContainer [2023-12-15 20:58:21,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:58:21,246 INFO L158 Benchmark]: Toolchain (without parser) took 10126.47ms. Allocated memory was 383.8MB in the beginning and 492.8MB in the end (delta: 109.1MB). Free memory was 341.2MB in the beginning and 291.4MB in the end (delta: 49.8MB). Peak memory consumption was 159.4MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,246 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:58:21,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.15ms. Allocated memory is still 383.8MB. Free memory was 340.8MB in the beginning and 326.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.21ms. Allocated memory is still 383.8MB. Free memory was 326.7MB in the beginning and 324.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,247 INFO L158 Benchmark]: Boogie Preprocessor took 64.16ms. Allocated memory is still 383.8MB. Free memory was 324.0MB in the beginning and 319.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,247 INFO L158 Benchmark]: RCFGBuilder took 562.56ms. Allocated memory is still 383.8MB. Free memory was 319.8MB in the beginning and 296.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,247 INFO L158 Benchmark]: TraceAbstraction took 9248.43ms. Allocated memory was 383.8MB in the beginning and 492.8MB in the end (delta: 109.1MB). Free memory was 296.0MB in the beginning and 291.4MB in the end (delta: 4.6MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. [2023-12-15 20:58:21,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 206.15ms. Allocated memory is still 383.8MB. Free memory was 340.8MB in the beginning and 326.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.21ms. Allocated memory is still 383.8MB. Free memory was 326.7MB in the beginning and 324.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.16ms. Allocated memory is still 383.8MB. Free memory was 324.0MB in the beginning and 319.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 562.56ms. Allocated memory is still 383.8MB. Free memory was 319.8MB in the beginning and 296.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 9248.43ms. Allocated memory was 383.8MB in the beginning and 492.8MB in the end (delta: 109.1MB). Free memory was 296.0MB in the beginning and 291.4MB in the end (delta: 4.6MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned short int var_1_6 = 4; [L26] unsigned short int var_1_9 = 4; [L27] unsigned short int var_1_10 = 10; [L28] double var_1_11 = 15.6; [L29] double var_1_12 = 256.4; [L30] double var_1_13 = 49.15; [L31] unsigned long int var_1_14 = 500; [L32] unsigned long int var_1_15 = 2173307753; [L33] unsigned long int var_1_16 = 3362224480; [L34] signed short int var_1_17 = 16; [L35] signed short int var_1_19 = 16; [L36] signed short int var_1_20 = 4; [L37] signed short int var_1_21 = 0; [L38] signed short int var_1_22 = -25; [L39] unsigned short int last_1_var_1_6 = 4; [L40] unsigned short int last_1_var_1_9 = 4; [L41] unsigned long int last_1_var_1_14 = 500; [L42] signed short int last_1_var_1_17 = 16; [L135] isInitial = 1 [L136] FCALL initially() [L137] int k_loop; [L138] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L138] COND TRUE k_loop < 1 [L139] CALL updateLastVariables() [L125] last_1_var_1_6 = var_1_6 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_14 = var_1_14 [L128] last_1_var_1_17 = var_1_17 [L139] RET updateLastVariables() [L140] CALL updateVariables() [L92] var_1_4 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L94] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L95] var_1_5 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L97] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L101] var_1_12 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L102] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L104] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L105] var_1_15 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L106] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L108] var_1_16 = __VERIFIER_nondet_ulong() [L109] CALL assume_abort_if_not(var_1_16 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L109] RET assume_abort_if_not(var_1_16 >= 3221225470) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L111] var_1_19 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_19 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L112] RET assume_abort_if_not(var_1_19 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L114] var_1_20 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L117] var_1_21 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L118] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L120] var_1_22 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_22 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L121] RET assume_abort_if_not(var_1_22 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L140] RET updateVariables() [L141] CALL step() [L46] signed long int stepLocal_0 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L47] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L52] signed long int stepLocal_3 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L53] COND TRUE last_1_var_1_14 >= stepLocal_3 [L54] var_1_14 = (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L56] COND TRUE var_1_6 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L57] COND TRUE (- var_1_14) > var_1_6 [L58] var_1_1 = 0 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L63] unsigned char stepLocal_2 = var_1_4; [L64] unsigned long int stepLocal_1 = var_1_14; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L65] COND FALSE !(stepLocal_2 || var_1_1) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L68] COND TRUE stepLocal_1 >= var_1_6 [L69] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L74] unsigned char stepLocal_5 = var_1_1; [L75] unsigned char stepLocal_4 = var_1_1; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L76] COND FALSE !(stepLocal_4 && (var_1_5 && (var_1_12 < var_1_13))) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L83] COND TRUE var_1_14 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L84] COND TRUE ! var_1_1 [L85] var_1_11 = (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, stepLocal_3=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L141] RET step() [L142] CALL, EXPR property() [L131-L132] return ((((((var_1_6 <= var_1_14) ? (((- var_1_14) > var_1_6) ? (var_1_1 == ((unsigned char) 0)) : 1) : (var_1_1 == ((unsigned char) (var_1_4 || var_1_5)))) && (var_1_5 ? (((last_1_var_1_14 * (last_1_var_1_6 + last_1_var_1_17)) > last_1_var_1_9) ? (var_1_6 == ((unsigned short int) 256)) : 1) : 1)) && ((var_1_4 || var_1_1) ? (var_1_9 == ((unsigned short int) ((((32) < (var_1_10)) ? (32) : (var_1_10))))) : ((var_1_14 >= var_1_6) ? (var_1_9 == ((unsigned short int) var_1_10)) : (var_1_9 == ((unsigned short int) var_1_10))))) && ((var_1_14 <= var_1_14) ? ((! var_1_1) ? (var_1_11 == ((double) (var_1_12 - var_1_13))) : 1) : (var_1_11 == ((double) var_1_12)))) && ((last_1_var_1_14 >= last_1_var_1_9) ? (var_1_14 == ((unsigned long int) (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17))) : 1)) && ((var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) ? ((var_1_1 || (last_1_var_1_17 >= ((((var_1_14) > (var_1_6)) ? (var_1_14) : (var_1_6))))) ? (var_1_17 == ((signed short int) (((((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) < ((var_1_22 + 64))) ? ((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) : ((var_1_22 + 64)))))) : (var_1_17 == ((signed short int) var_1_19))) : 1) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=2147483647, var_1_16=3221225470, var_1_17=16, var_1_19=16383, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 9, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 965 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 961 mSDsluCounter, 1906 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1172 mSDsCounter, 674 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1558 IncrementalHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 674 mSolverCounterUnsat, 734 mSDtfsCounter, 1558 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 1342 SyntacticMatches, 5 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=7, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 214 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 7151 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2486 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 8021/8360 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 [2023-12-15 20:58:21,282 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...