/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_amount10_file-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 06:08:04,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 06:08:04,886 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 06:08:04,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 06:08:04,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 06:08:04,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 06:08:04,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 06:08:04,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 06:08:04,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 06:08:04,923 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 06:08:04,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 06:08:04,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 06:08:04,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 06:08:04,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 06:08:04,925 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 06:08:04,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 06:08:04,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 06:08:04,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 06:08:04,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 06:08:04,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 06:08:04,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 06:08:04,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 06:08:04,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 06:08:04,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 06:08:04,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 06:08:04,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 06:08:04,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 06:08:04,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 06:08:04,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 06:08:04,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:08:04,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 06:08:04,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 06:08:04,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 06:08:04,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 06:08:04,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 06:08:04,932 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 06:08:04,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 06:08:05,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 06:08:05,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 06:08:05,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 06:08:05,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 06:08:05,206 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 06:08:05,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2023-12-24 06:08:06,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 06:08:06,631 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 06:08:06,632 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2023-12-24 06:08:06,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a64becf7/d500e3934d804478bc2f7db987f43d8c/FLAGa3ed57da1 [2023-12-24 06:08:06,650 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a64becf7/d500e3934d804478bc2f7db987f43d8c [2023-12-24 06:08:06,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 06:08:06,654 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 06:08:06,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 06:08:06,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 06:08:06,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 06:08:06,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564be21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06, skipping insertion in model container [2023-12-24 06:08:06,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 06:08:06,821 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_amount10_file-1.i[914,927] [2023-12-24 06:08:06,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:08:06,881 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 06:08:06,893 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_amount10_file-1.i[914,927] [2023-12-24 06:08:06,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:08:06,920 INFO L206 MainTranslator]: Completed translation [2023-12-24 06:08:06,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06 WrapperNode [2023-12-24 06:08:06,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 06:08:06,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 06:08:06,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 06:08:06,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 06:08:06,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,953 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2023-12-24 06:08:06,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 06:08:06,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 06:08:06,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 06:08:06,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 06:08:06,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,981 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 06:08:06,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:06,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 06:08:06,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 06:08:06,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 06:08:06,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 06:08:07,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (1/1) ... [2023-12-24 06:08:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:08:07,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 06:08:07,045 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 06:08:07,055 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 06:08:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 06:08:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 06:08:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 06:08:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 06:08:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 06:08:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 06:08:07,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 06:08:07,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 06:08:07,380 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 06:08:07,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 06:08:07,435 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 06:08:07,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:08:07 BoogieIcfgContainer [2023-12-24 06:08:07,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 06:08:07,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 06:08:07,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 06:08:07,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 06:08:07,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 06:08:06" (1/3) ... [2023-12-24 06:08:07,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2b9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:08:07, skipping insertion in model container [2023-12-24 06:08:07,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:08:06" (2/3) ... [2023-12-24 06:08:07,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e2b9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:08:07, skipping insertion in model container [2023-12-24 06:08:07,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:08:07" (3/3) ... [2023-12-24 06:08:07,447 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2023-12-24 06:08:07,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 06:08:07,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 06:08:07,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 06:08:07,519 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;@474ccb48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 06:08:07,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 06:08:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 06:08:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-24 06:08:07,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:08:07,540 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:07,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:08:07,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:08:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -374993973, now seen corresponding path program 1 times [2023-12-24 06:08:07,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:08:07,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121816884] [2023-12-24 06:08:07,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:08:07,563 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 06:08:07,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:08:07,570 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 06:08:07,577 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 06:08:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:08:07,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 06:08:07,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:08:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-24 06:08:15,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 06:08:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-24 06:08:22,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:08:22,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121816884] [2023-12-24 06:08:22,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121816884] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 06:08:22,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 06:08:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-24 06:08:22,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900166118] [2023-12-24 06:08:22,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 06:08:22,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 06:08:22,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:08:22,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 06:08:22,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-24 06:08:22,566 INFO L87 Difference]: Start difference. First operand has 30 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-24 06:08:24,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:08:24,688 INFO L93 Difference]: Finished difference Result 80 states and 127 transitions. [2023-12-24 06:08:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 06:08:24,690 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 62 [2023-12-24 06:08:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:08:24,696 INFO L225 Difference]: With dead ends: 80 [2023-12-24 06:08:24,696 INFO L226 Difference]: Without dead ends: 51 [2023-12-24 06:08:24,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2023-12-24 06:08:24,702 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-24 06:08:24,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 99 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-24 06:08:24,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-12-24 06:08:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2023-12-24 06:08:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.08) internal successors, (27), 26 states have internal predecessors, (27), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-24 06:08:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-12-24 06:08:24,750 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 62 [2023-12-24 06:08:24,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:08:24,751 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-12-24 06:08:24,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-24 06:08:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-12-24 06:08:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-24 06:08:24,757 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:08:24,758 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:08:24,764 INFO L552 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)] Ended with exit code 0 [2023-12-24 06:08:24,964 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 06:08:24,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:08:24,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:08:24,966 INFO L85 PathProgramCache]: Analyzing trace with hash -374934391, now seen corresponding path program 1 times [2023-12-24 06:08:24,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:08:24,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438745760] [2023-12-24 06:08:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:08:24,967 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 06:08:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:08:24,968 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 06:08:24,970 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 06:08:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:08:25,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-24 06:08:25,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:08:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-12-24 06:08:28,950 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 06:08:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-24 06:08:30,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:08:30,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438745760] [2023-12-24 06:08:30,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438745760] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 06:08:30,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 06:08:30,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2023-12-24 06:08:30,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029219086] [2023-12-24 06:08:30,589 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 06:08:30,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-24 06:08:30,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:08:30,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-24 06:08:30,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-24 06:08:30,591 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-24 06:08:31,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:08:31,028 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2023-12-24 06:08:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 06:08:31,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 62 [2023-12-24 06:08:31,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:08:31,030 INFO L225 Difference]: With dead ends: 57 [2023-12-24 06:08:31,030 INFO L226 Difference]: Without dead ends: 0 [2023-12-24 06:08:31,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2023-12-24 06:08:31,031 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 44 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 06:08:31,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 104 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 06:08:31,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-24 06:08:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-24 06:08:31,033 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 06:08:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-24 06:08:31,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2023-12-24 06:08:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:08:31,033 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-24 06:08:31,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-24 06:08:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-24 06:08:31,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-24 06:08:31,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 06:08:31,048 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 06:08:31,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 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 06:08:31,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-24 06:08:31,938 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-12-24 06:08:31,938 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-24 06:08:31,939 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-24 06:08:31,939 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,939 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-24 06:08:31,939 INFO L895 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,939 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,939 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-12-24 06:08:31,939 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 75) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,939 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 75) no Hoare annotation was computed. [2023-12-24 06:08:31,940 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,940 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-24 06:08:31,940 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-12-24 06:08:31,940 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-24 06:08:31,940 INFO L899 garLoopResultBuilder]: For program point L58(lines 42 59) no Hoare annotation was computed. [2023-12-24 06:08:31,941 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) [2023-12-24 06:08:31,941 INFO L895 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) [2023-12-24 06:08:31,941 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32)) [2023-12-24 06:08:31,941 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-12-24 06:08:31,941 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-24 06:08:31,941 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 40) no Hoare annotation was computed. [2023-12-24 06:08:31,941 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 41) no Hoare annotation was computed. [2023-12-24 06:08:31,941 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-24 06:08:31,942 INFO L895 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,942 INFO L895 garLoopResultBuilder]: At program point L51-1(line 51) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq ~var_1_4~0 .cse0) (fp.leq ~var_1_4~0 .cse1)) (and (fp.leq ~var_1_4~0 (fp.neg .cse0)) (fp.geq ~var_1_4~0 (fp.neg .cse1))))) (bvsle ((_ zero_extend 24) ~var_1_9~0) (_ bv0 32))) [2023-12-24 06:08:31,942 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-24 06:08:31,942 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-24 06:08:31,942 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-24 06:08:31,942 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-24 06:08:31,945 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-24 06:08:31,947 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 06:08:31,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 06:08:31 BoogieIcfgContainer [2023-12-24 06:08:31,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 06:08:31,957 INFO L158 Benchmark]: Toolchain (without parser) took 25302.98ms. Allocated memory was 316.7MB in the beginning and 894.4MB in the end (delta: 577.8MB). Free memory was 264.1MB in the beginning and 326.9MB in the end (delta: -62.7MB). Peak memory consumption was 516.1MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,957 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 215.0MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 06:08:31,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.84ms. Allocated memory is still 316.7MB. Free memory was 263.6MB in the beginning and 251.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.03ms. Allocated memory is still 316.7MB. Free memory was 251.6MB in the beginning and 250.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,958 INFO L158 Benchmark]: Boogie Preprocessor took 44.56ms. Allocated memory is still 316.7MB. Free memory was 250.0MB in the beginning and 247.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,959 INFO L158 Benchmark]: RCFGBuilder took 437.02ms. Allocated memory is still 316.7MB. Free memory was 247.4MB in the beginning and 232.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,959 INFO L158 Benchmark]: TraceAbstraction took 24518.35ms. Allocated memory was 316.7MB in the beginning and 894.4MB in the end (delta: 577.8MB). Free memory was 231.6MB in the beginning and 326.9MB in the end (delta: -95.2MB). Peak memory consumption was 483.6MB. Max. memory is 8.0GB. [2023-12-24 06:08:31,961 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 215.0MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.84ms. Allocated memory is still 316.7MB. Free memory was 263.6MB in the beginning and 251.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.03ms. Allocated memory is still 316.7MB. Free memory was 251.6MB in the beginning and 250.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.56ms. Allocated memory is still 316.7MB. Free memory was 250.0MB in the beginning and 247.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 437.02ms. Allocated memory is still 316.7MB. Free memory was 247.4MB in the beginning and 232.2MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 24518.35ms. Allocated memory was 316.7MB in the beginning and 894.4MB in the end (delta: 577.8MB). Free memory was 231.6MB in the beginning and 326.9MB in the end (delta: -95.2MB). Peak memory consumption was 483.6MB. 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 426 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 51 mSDtfsCounter, 426 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 33 PreInvPairs, 48 NumberOfFragments, 295 HoareAnnotationTreeSize, 33 FormulaSimplifications, 326 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FormulaSimplificationsInter, 1131 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 244 ConstructedInterpolants, 2 QuantifiedInterpolants, 2884 SizeOfPredicates, 40 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 660/720 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: 69]: Loop Invariant Derived loop invariant: (var_1_9 <= 0) RESULT: Ultimate proved your program to be correct! [2023-12-24 06:08:32,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...