/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-25.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 08:06:17,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 08:06:17,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 08:06:17,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 08:06:17,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 08:06:17,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 08:06:17,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 08:06:17,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 08:06:17,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 08:06:17,122 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 08:06:17,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 08:06:17,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 08:06:17,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 08:06:17,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 08:06:17,124 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 08:06:17,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 08:06:17,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 08:06:17,125 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 08:06:17,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 08:06:17,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 08:06:17,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 08:06:17,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 08:06:17,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 08:06:17,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 08:06:17,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 08:06:17,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 08:06:17,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 08:06:17,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 08:06:17,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 08:06:17,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 08:06:17,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 08:06:17,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 08:06:17,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 08:06:17,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 08:06:17,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 08:06:17,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 08:06:17,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 08:06:17,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 08:06:17,131 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 08:06:17,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 08:06:17,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 08:06:17,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 08:06:17,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 08:06:17,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 08:06:17,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 08:06:17,133 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 08:06:17,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 08:06:17,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 08:06:17,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 08:06:17,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 08:06:17,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 08:06:17,338 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 08:06:17,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-25.i [2023-12-24 08:06:18,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 08:06:18,624 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 08:06:18,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-25.i [2023-12-24 08:06:18,631 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173f85161/80162b138ff242efa9cd58023c4744a2/FLAGa0e793d09 [2023-12-24 08:06:18,643 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173f85161/80162b138ff242efa9cd58023c4744a2 [2023-12-24 08:06:18,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 08:06:18,646 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 08:06:18,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 08:06:18,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 08:06:18,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 08:06:18,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f15dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18, skipping insertion in model container [2023-12-24 08:06:18,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 08:06:18,792 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_operatoramount_amount25_file-25.i[915,928] [2023-12-24 08:06:18,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 08:06:18,842 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 08:06:18,851 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_operatoramount_amount25_file-25.i[915,928] [2023-12-24 08:06:18,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 08:06:18,883 INFO L206 MainTranslator]: Completed translation [2023-12-24 08:06:18,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18 WrapperNode [2023-12-24 08:06:18,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 08:06:18,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 08:06:18,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 08:06:18,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 08:06:18,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,931 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-12-24 08:06:18,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 08:06:18,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 08:06:18,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 08:06:18,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 08:06:18,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,956 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]. [2023-12-24 08:06:18,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 08:06:18,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 08:06:18,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 08:06:18,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 08:06:18,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (1/1) ... [2023-12-24 08:06:18,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 08:06:18,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 08:06:19,000 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) [2023-12-24 08:06:19,026 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 [2023-12-24 08:06:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 08:06:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 08:06:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 08:06:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 08:06:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 08:06:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 08:06:19,138 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 08:06:19,140 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 08:06:19,436 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 08:06:19,485 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 08:06:19,486 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 08:06:19,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:06:19 BoogieIcfgContainer [2023-12-24 08:06:19,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 08:06:19,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 08:06:19,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 08:06:19,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 08:06:19,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 08:06:18" (1/3) ... [2023-12-24 08:06:19,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17621937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:06:19, skipping insertion in model container [2023-12-24 08:06:19,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:06:18" (2/3) ... [2023-12-24 08:06:19,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17621937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:06:19, skipping insertion in model container [2023-12-24 08:06:19,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:06:19" (3/3) ... [2023-12-24 08:06:19,493 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-25.i [2023-12-24 08:06:19,508 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 08:06:19,509 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 08:06:19,587 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 08:06:19,621 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;@785ee31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 08:06:19,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 08:06:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-24 08:06:19,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-24 08:06:19,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:06:19,644 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:06:19,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:06:19,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:06:19,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1188313540, now seen corresponding path program 1 times [2023-12-24 08:06:19,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:06:19,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241470578] [2023-12-24 08:06:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:06:19,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:06:19,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:06:19,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 08:06:19,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 08:06:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:06:19,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 08:06:19,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:06:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-12-24 08:06:19,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 08:06:19,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:06:19,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241470578] [2023-12-24 08:06:19,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241470578] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 08:06:19,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 08:06:19,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 08:06:19,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254665360] [2023-12-24 08:06:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 08:06:19,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 08:06:19,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:06:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 08:06:19,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 08:06:19,942 INFO L87 Difference]: Start difference. First operand has 52 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-24 08:06:19,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:06:19,995 INFO L93 Difference]: Finished difference Result 101 states and 183 transitions. [2023-12-24 08:06:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 08:06:20,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2023-12-24 08:06:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:06:20,012 INFO L225 Difference]: With dead ends: 101 [2023-12-24 08:06:20,012 INFO L226 Difference]: Without dead ends: 50 [2023-12-24 08:06:20,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 08:06:20,023 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 08:06:20,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 08:06:20,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-24 08:06:20,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-24 08:06:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-24 08:06:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2023-12-24 08:06:20,064 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 135 [2023-12-24 08:06:20,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:06:20,065 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2023-12-24 08:06:20,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-24 08:06:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-12-24 08:06:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-24 08:06:20,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:06:20,068 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:06:20,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-24 08:06:20,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:06:20,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:06:20,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:06:20,279 INFO L85 PathProgramCache]: Analyzing trace with hash 807068218, now seen corresponding path program 1 times [2023-12-24 08:06:20,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:06:20,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971782574] [2023-12-24 08:06:20,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:06:20,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:06:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:06:20,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 08:06:20,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 08:06:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:06:20,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 08:06:20,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:06:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-12-24 08:06:20,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:06:21,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:06:21,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971782574] [2023-12-24 08:06:21,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971782574] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 08:06:21,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2076139446] [2023-12-24 08:06:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:06:21,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 08:06:21,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 08:06:21,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 08:06:21,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-24 08:06:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:06:21,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 08:06:21,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:06:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 486 proven. 42 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-12-24 08:06:22,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:06:23,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2076139446] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 08:06:23,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 08:06:23,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-24 08:06:23,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484104013] [2023-12-24 08:06:23,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 08:06:23,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 08:06:23,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:06:23,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 08:06:23,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-24 08:06:23,899 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-24 08:06:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:06:24,267 INFO L93 Difference]: Finished difference Result 105 states and 156 transitions. [2023-12-24 08:06:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 08:06:24,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2023-12-24 08:06:24,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:06:24,276 INFO L225 Difference]: With dead ends: 105 [2023-12-24 08:06:24,276 INFO L226 Difference]: Without dead ends: 56 [2023-12-24 08:06:24,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-24 08:06:24,278 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 29 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 08:06:24,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 86 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 08:06:24,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-12-24 08:06:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2023-12-24 08:06:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-24 08:06:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2023-12-24 08:06:24,291 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 135 [2023-12-24 08:06:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:06:24,291 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2023-12-24 08:06:24,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-24 08:06:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-12-24 08:06:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-24 08:06:24,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:06:24,294 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:06:24,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-24 08:06:24,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 08:06:24,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:06:24,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:06:24,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:06:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash 808915260, now seen corresponding path program 1 times [2023-12-24 08:06:24,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:06:24,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670311593] [2023-12-24 08:06:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:06:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:06:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:06:24,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 08:06:24,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-24 08:06:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:06:24,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 08:06:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:06:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 507 proven. 90 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2023-12-24 08:06:34,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:07:46,395 WARN L293 SmtUtils]: Spent 18.06s on a formula simplification. DAG size of input: 379 DAG size of output: 375 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:08:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-24 08:08:06,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:08:06,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670311593] [2023-12-24 08:08:06,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670311593] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 08:08:06,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 08:08:06,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 20 [2023-12-24 08:08:06,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972201899] [2023-12-24 08:08:06,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 08:08:06,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 08:08:06,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:08:06,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 08:08:06,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-12-24 08:08:06,898 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-24 08:08:53,455 WARN L293 SmtUtils]: Spent 23.14s on a formula simplification. DAG size of input: 407 DAG size of output: 431 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:09:02,478 WARN L293 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 183 DAG size of output: 198 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:09:04,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-24 08:09:28,864 WARN L293 SmtUtils]: Spent 23.53s on a formula simplification that was a NOOP. DAG size: 378 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:09:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:09:41,778 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2023-12-24 08:09:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 08:09:41,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 135 [2023-12-24 08:09:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:09:41,781 INFO L225 Difference]: With dead ends: 183 [2023-12-24 08:09:41,781 INFO L226 Difference]: Without dead ends: 130 [2023-12-24 08:09:41,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 108.4s TimeCoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2023-12-24 08:09:41,783 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 63 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-12-24 08:09:41,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 338 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2023-12-24 08:09:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-24 08:09:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 117. [2023-12-24 08:09:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 61 states have (on average 1.098360655737705) internal successors, (67), 62 states have internal predecessors, (67), 50 states have call successors, (50), 5 states have call predecessors, (50), 5 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-24 08:09:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 167 transitions. [2023-12-24 08:09:41,817 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 167 transitions. Word has length 135 [2023-12-24 08:09:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:09:41,817 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 167 transitions. [2023-12-24 08:09:41,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-24 08:09:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2023-12-24 08:09:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-24 08:09:41,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:09:41,820 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:09:41,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-24 08:09:42,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:09:42,024 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:09:42,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:09:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash 808974842, now seen corresponding path program 1 times [2023-12-24 08:09:42,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:09:42,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393025978] [2023-12-24 08:09:42,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:09:42,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:09:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:09:42,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 08:09:42,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-24 08:09:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:09:42,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-24 08:09:42,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:09:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 678 proven. 111 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-12-24 08:09:55,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:12:15,717 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 336 DAG size of output: 332 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:12:43,768 WARN L293 SmtUtils]: Spent 14.18s on a formula simplification. DAG size of input: 192 DAG size of output: 184 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:13:02,558 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:13:21,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:13:21,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393025978] [2023-12-24 08:13:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393025978] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 08:13:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2047081405] [2023-12-24 08:13:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:13:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 08:13:21,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 08:13:21,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 08:13:21,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-24 08:13:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:13:21,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-24 08:13:21,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:13:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 516 proven. 27 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2023-12-24 08:13:53,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:15:54,064 WARN L293 SmtUtils]: Spent 44.35s on a formula simplification. DAG size of input: 338 DAG size of output: 336 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 08:16:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-24 08:16:30,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2047081405] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 08:16:30,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-24 08:16:30,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 30 [2023-12-24 08:16:30,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843506943] [2023-12-24 08:16:30,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-24 08:16:30,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-12-24 08:16:30,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:16:30,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-12-24 08:16:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=950, Unknown=2, NotChecked=0, Total=1190 [2023-12-24 08:16:30,652 INFO L87 Difference]: Start difference. First operand 117 states and 167 transitions. Second operand has 30 states, 30 states have (on average 2.533333333333333) internal successors, (76), 30 states have internal predecessors, (76), 6 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) [2023-12-24 08:16:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:16:49,976 INFO L93 Difference]: Finished difference Result 265 states and 356 transitions. [2023-12-24 08:16:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-24 08:16:49,976 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.533333333333333) internal successors, (76), 30 states have internal predecessors, (76), 6 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) Word has length 135 [2023-12-24 08:16:49,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:16:49,977 INFO L225 Difference]: With dead ends: 265 [2023-12-24 08:16:49,977 INFO L226 Difference]: Without dead ends: 0 [2023-12-24 08:16:49,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 188.8s TimeCoverageRelationStatistics Valid=839, Invalid=2819, Unknown=2, NotChecked=0, Total=3660 [2023-12-24 08:16:49,981 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 112 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-12-24 08:16:49,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 202 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-12-24 08:16:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-24 08:16:49,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-24 08:16:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-24 08:16:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-24 08:16:49,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2023-12-24 08:16:49,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:16:49,983 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-24 08:16:49,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.533333333333333) internal successors, (76), 30 states have internal predecessors, (76), 6 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) [2023-12-24 08:16:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-24 08:16:49,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-24 08:16:49,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 08:16:49,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-24 08:16:50,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-24 08:16:50,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 08:16:50,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-24 08:17:06,203 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 533 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-24 08:17:10,556 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,556 INFO L895 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,556 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-24 08:17:10,556 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-24 08:17:10,556 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-24 08:17:10,556 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-12-24 08:17:10,556 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-24 08:17:10,556 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L77-1(line 77) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L106-2(lines 106 112) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L899 garLoopResultBuilder]: For program point L106-3(lines 106 112) no Hoare annotation was computed. [2023-12-24 08:17:10,557 INFO L899 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L65(line 65) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L65-1(line 65) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L899 garLoopResultBuilder]: For program point L94(lines 60 95) no Hoare annotation was computed. [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,557 INFO L895 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 53) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 39 59) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (and (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,558 INFO L895 garLoopResultBuilder]: At program point L74-1(line 74) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 47) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2023-12-24 08:17:10,558 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2023-12-24 08:17:10,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-24 08:17:10,559 INFO L895 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,559 INFO L895 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,559 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-24 08:17:10,559 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,560 INFO L895 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,560 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,560 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,560 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2023-12-24 08:17:10,560 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 44) no Hoare annotation was computed. [2023-12-24 08:17:10,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-24 08:17:10,560 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L80-1(line 80) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvule ~var_1_5~0 (_ bv2147483647 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 59) no Hoare annotation was computed. [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L895 garLoopResultBuilder]: At program point L68-1(line 68) the Hoare annotation is: (and (bvsge ((_ sign_extend 16) ~var_1_9~0) (_ bv16383 32)) (= ~var_1_6~0 (_ bv0 8)) (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32)) (= ~last_1_var_1_6~0 (_ bv0 8))) [2023-12-24 08:17:10,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-24 08:17:10,561 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-24 08:17:10,562 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-24 08:17:10,564 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 08:17:10,566 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 08:17:10,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 08:17:10 BoogieIcfgContainer [2023-12-24 08:17:10,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 08:17:10,579 INFO L158 Benchmark]: Toolchain (without parser) took 651932.66ms. Allocated memory was 202.4MB in the beginning and 959.4MB in the end (delta: 757.1MB). Free memory was 154.1MB in the beginning and 665.8MB in the end (delta: -511.7MB). Peak memory consumption was 565.1MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,579 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 202.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 08:17:10,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.08ms. Allocated memory is still 202.4MB. Free memory was 153.8MB in the beginning and 140.5MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.99ms. Allocated memory is still 202.4MB. Free memory was 140.5MB in the beginning and 138.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,580 INFO L158 Benchmark]: Boogie Preprocessor took 38.01ms. Allocated memory is still 202.4MB. Free memory was 138.8MB in the beginning and 136.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,580 INFO L158 Benchmark]: RCFGBuilder took 515.00ms. Allocated memory is still 202.4MB. Free memory was 136.0MB in the beginning and 116.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,580 INFO L158 Benchmark]: TraceAbstraction took 651090.11ms. Allocated memory was 202.4MB in the beginning and 959.4MB in the end (delta: 757.1MB). Free memory was 115.3MB in the beginning and 665.8MB in the end (delta: -550.5MB). Peak memory consumption was 526.3MB. Max. memory is 8.0GB. [2023-12-24 08:17:10,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 202.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.08ms. Allocated memory is still 202.4MB. Free memory was 153.8MB in the beginning and 140.5MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.99ms. Allocated memory is still 202.4MB. Free memory was 140.5MB in the beginning and 138.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.01ms. Allocated memory is still 202.4MB. Free memory was 138.8MB in the beginning and 136.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 515.00ms. Allocated memory is still 202.4MB. Free memory was 136.0MB in the beginning and 116.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 651090.11ms. Allocated memory was 202.4MB in the beginning and 959.4MB in the end (delta: 757.1MB). Free memory was 115.3MB in the beginning and 665.8MB in the end (delta: -550.5MB). Peak memory consumption was 526.3MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 651.0s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 114.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 699 SdHoareTripleChecker+Invalid, 21.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 252 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 884 IncrementalHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 252 mSolverCounterUnsat, 249 mSDtfsCounter, 884 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1142 GetRequests, 1043 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 298.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 193 PreInvPairs, 227 NumberOfFragments, 415 HoareAnnotationTreeSize, 193 FormulaSimplifications, 41815 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 25 FormulaSimplificationsInter, 17234 FormulaSimplificationTreeSizeReductionInter, 19.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 513.7s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1072 ConstructedInterpolants, 6 QuantifiedInterpolants, 18660 SizeOfPredicates, 98 NumberOfNonLiveVariables, 1290 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 7757/8096 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((((var_1_9 >= 16383) && (var_1_6 == 0)) && (var_1_11 <= 0)) && (var_1_5 <= 2147483647)) && (last_1_var_1_6 == 0)) RESULT: Ultimate proved your program to be correct! [2023-12-24 08:17:10,711 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...