/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_fillercode_fillercodesize_ps-cn-25_file-18.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 03:20:09,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 03:20:09,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 03:20:09,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 03:20:09,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 03:20:09,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 03:20:09,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 03:20:09,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 03:20:09,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 03:20:09,294 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 03:20:09,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 03:20:09,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 03:20:09,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 03:20:09,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 03:20:09,296 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 03:20:09,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 03:20:09,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 03:20:09,297 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 03:20:09,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 03:20:09,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 03:20:09,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 03:20:09,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 03:20:09,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 03:20:09,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 03:20:09,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 03:20:09,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 03:20:09,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 03:20:09,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 03:20:09,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 03:20:09,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 03:20:09,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 03:20:09,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 03:20:09,302 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 03:20:09,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 03:20:09,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 03:20:09,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 03:20:09,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 03:20:09,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 03:20:09,530 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 03:20:09,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-18.i [2023-12-23 03:20:10,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 03:20:10,781 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 03:20:10,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-18.i [2023-12-23 03:20:10,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24834d028/d3436cd8046f42229446b1b5f32d716c/FLAG2a7ac5ab0 [2023-12-23 03:20:10,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24834d028/d3436cd8046f42229446b1b5f32d716c [2023-12-23 03:20:10,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 03:20:10,814 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 03:20:10,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 03:20:10,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 03:20:10,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 03:20:10,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:20:10" (1/1) ... [2023-12-23 03:20:10,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aefe457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:10, skipping insertion in model container [2023-12-23 03:20:10,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:20:10" (1/1) ... [2023-12-23 03:20:10,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 03:20:10,980 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_fillercode_fillercodesize_ps-cn-25_file-18.i[915,928] [2023-12-23 03:20:11,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 03:20:11,071 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 03:20:11,082 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_fillercode_fillercodesize_ps-cn-25_file-18.i[915,928] [2023-12-23 03:20:11,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 03:20:11,128 INFO L206 MainTranslator]: Completed translation [2023-12-23 03:20:11,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11 WrapperNode [2023-12-23 03:20:11,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 03:20:11,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 03:20:11,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 03:20:11,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 03:20:11,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,167 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-23 03:20:11,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 03:20:11,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 03:20:11,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 03:20:11,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 03:20:11,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,200 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]. [2023-12-23 03:20:11,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 03:20:11,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 03:20:11,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 03:20:11,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 03:20:11,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (1/1) ... [2023-12-23 03:20:11,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 03:20:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 03:20:11,269 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) [2023-12-23 03:20:11,314 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 [2023-12-23 03:20:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 03:20:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 03:20:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 03:20:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 03:20:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 03:20:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 03:20:11,446 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 03:20:11,449 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 03:20:34,520 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 03:20:34,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 03:20:34,568 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 03:20:34,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:20:34 BoogieIcfgContainer [2023-12-23 03:20:34,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 03:20:34,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 03:20:34,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 03:20:34,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 03:20:34,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:20:10" (1/3) ... [2023-12-23 03:20:34,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a65916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:20:34, skipping insertion in model container [2023-12-23 03:20:34,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:20:11" (2/3) ... [2023-12-23 03:20:34,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a65916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:20:34, skipping insertion in model container [2023-12-23 03:20:34,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:20:34" (3/3) ... [2023-12-23 03:20:34,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-18.i [2023-12-23 03:20:34,589 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 03:20:34,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 03:20:34,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 03:20:34,631 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;@2d472201, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 03:20:34,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 03:20:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 03:20:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-23 03:20:34,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:20:34,658 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:20:34,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:20:34,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:20:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1704934281, now seen corresponding path program 1 times [2023-12-23 03:20:34,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:20:34,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602147496] [2023-12-23 03:20:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:20:34,673 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 [2023-12-23 03:20:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:20:34,678 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) [2023-12-23 03:20:34,679 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 [2023-12-23 03:20:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:20:36,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 03:20:36,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 03:20:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-12-23 03:20:36,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 03:20:36,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 03:20:36,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602147496] [2023-12-23 03:20:36,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602147496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 03:20:36,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 03:20:36,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 03:20:36,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873519730] [2023-12-23 03:20:36,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 03:20:36,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 03:20:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 03:20:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 03:20:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 03:20:36,106 INFO L87 Difference]: Start difference. First operand has 83 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 03:20:41,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 03:20:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 03:20:41,111 INFO L93 Difference]: Finished difference Result 163 states and 297 transitions. [2023-12-23 03:20:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 03:20:41,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 202 [2023-12-23 03:20:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 03:20:41,507 INFO L225 Difference]: With dead ends: 163 [2023-12-23 03:20:41,507 INFO L226 Difference]: Without dead ends: 81 [2023-12-23 03:20:41,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 03:20:41,512 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-23 03:20:41,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-12-23 03:20:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-23 03:20:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-23 03:20:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 03:20:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 128 transitions. [2023-12-23 03:20:41,544 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 128 transitions. Word has length 202 [2023-12-23 03:20:41,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 03:20:41,545 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 128 transitions. [2023-12-23 03:20:41,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 03:20:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 128 transitions. [2023-12-23 03:20:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-23 03:20:41,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:20:41,548 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:20:41,576 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 [2023-12-23 03:20:41,748 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 [2023-12-23 03:20:41,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:20:41,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:20:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1427535811, now seen corresponding path program 1 times [2023-12-23 03:20:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:20:41,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393905329] [2023-12-23 03:20:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:20:41,751 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 [2023-12-23 03:20:41,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:20:41,752 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) [2023-12-23 03:20:41,754 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 [2023-12-23 03:20:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:20:43,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 03:20:43,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 03:20:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 03:20:43,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 03:20:43,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 03:20:43,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393905329] [2023-12-23 03:20:43,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393905329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 03:20:43,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 03:20:43,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 03:20:43,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773728522] [2023-12-23 03:20:43,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 03:20:43,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 03:20:43,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 03:20:43,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 03:20:43,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 03:20:43,189 INFO L87 Difference]: Start difference. First operand 81 states and 128 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 03:20:48,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 03:20:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 03:20:48,702 INFO L93 Difference]: Finished difference Result 194 states and 304 transitions. [2023-12-23 03:20:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 03:20:48,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 202 [2023-12-23 03:20:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 03:20:48,704 INFO L225 Difference]: With dead ends: 194 [2023-12-23 03:20:48,705 INFO L226 Difference]: Without dead ends: 114 [2023-12-23 03:20:48,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 03:20:48,706 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 85 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-23 03:20:48,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 251 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-12-23 03:20:48,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-23 03:20:48,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2023-12-23 03:20:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-23 03:20:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2023-12-23 03:20:48,720 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 202 [2023-12-23 03:20:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 03:20:48,721 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2023-12-23 03:20:48,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 03:20:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2023-12-23 03:20:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-23 03:20:48,723 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:20:48,723 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:20:48,752 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 (3)] Ended with exit code 0 [2023-12-23 03:20:48,948 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 [2023-12-23 03:20:48,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:20:48,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:20:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1846363131, now seen corresponding path program 1 times [2023-12-23 03:20:48,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:20:48,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613598895] [2023-12-23 03:20:48,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:20:48,950 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 [2023-12-23 03:20:48,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:20:48,951 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-12-23 03:20:48,973 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 (4)] Waiting until timeout for monitored process [2023-12-23 03:20:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:20:50,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-23 03:20:50,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 03:21:38,482 WARN L293 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:21:53,566 WARN L293 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:23:32,591 WARN L293 SmtUtils]: Spent 38.92s on a formula simplification. DAG size of input: 72 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 03:23:41,604 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:23:50,639 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:23:59,618 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:08,620 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:17,593 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:26,579 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:35,567 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:44,561 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:24:53,567 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:02,575 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:11,559 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:20,781 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:29,761 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:38,353 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:47,363 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:25:56,400 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:05,406 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:14,420 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:23,450 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:32,506 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:41,557 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:50,611 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:26:59,649 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:27:03,931 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 03:27:08,221 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 03:27:17,304 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:27:26,373 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:27:35,424 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:27:44,444 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:27:53,492 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:02,524 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:11,557 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:20,594 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:29,630 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:38,698 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:47,782 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:28:56,840 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:05,867 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:14,921 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:23,547 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:32,576 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:41,614 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:50,658 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:29:59,713 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:08,750 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:17,789 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:26,860 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:35,925 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:44,980 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:30:49,279 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (= c_~var_1_1~0 c_~var_1_8~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 03:30:53,569 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (= c_~var_1_1~0 c_~var_1_8~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 03:31:02,685 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:11,731 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:20,796 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:29,851 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:38,947 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:48,034 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:31:57,112 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:06,167 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:15,233 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:24,316 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:33,422 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:42,524 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:32:51,606 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:00,683 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:10,117 WARN L293 SmtUtils]: Spent 9.43s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:18,780 WARN L293 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:27,864 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:36,949 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:46,090 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:33:55,208 WARN L293 SmtUtils]: Spent 9.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:04,265 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:13,327 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:22,381 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:31,427 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:40,471 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:44,751 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| c_~var_1_1~0) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (= c_~var_1_1~0 c_~var_1_8~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 03:34:49,046 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_10~0 c_~var_1_11~0) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| c_~var_1_1~0) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse0) (fp.geq c_~var_1_14~0 .cse1)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse1)) (fp.geq c_~var_1_14~0 (fp.neg .cse0))))) (= c_~var_1_14~0 c_~var_1_12~0) (= c_~var_1_1~0 c_~var_1_8~0) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse6 (= .cse7 c_~var_1_19~0)) (.cse8 (fp.gt .cse7 .cse5))) (or (and (let ((.cse4 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse2 (fp.gt .cse7 .cse4))) (or (and (not .cse2) (let ((.cse3 (fp.lt .cse4 .cse5))) (or (and .cse3 (= .cse4 c_~var_1_19~0)) (and (not .cse3) (= .cse5 c_~var_1_19~0))))) (and .cse6 .cse2)))) (not .cse8)) (and .cse6 .cse8)))) (not (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true Received shutdown request... [2023-12-23 03:34:57,237 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 03:34:57,259 WARN L340 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 03:34:58,187 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:34:58,290 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 (4)] Forceful destruction successful, exit code 0 [2023-12-23 03:34:58,437 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 03:34:58,541 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 03:34:58,542 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 203 with TraceHistMax 33,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 03:34:58,545 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 03:34:58,546 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 03:34:58,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:34:58 BoogieIcfgContainer [2023-12-23 03:34:58,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 03:34:58,564 INFO L158 Benchmark]: Toolchain (without parser) took 887734.22ms. Allocated memory was 188.7MB in the beginning and 234.9MB in the end (delta: 46.1MB). Free memory was 134.8MB in the beginning and 91.0MB in the end (delta: 43.8MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 188.7MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.58ms. Allocated memory is still 188.7MB. Free memory was 134.5MB in the beginning and 118.5MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.76ms. Allocated memory is still 188.7MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: Boogie Preprocessor took 50.82ms. Allocated memory is still 188.7MB. Free memory was 115.9MB in the beginning and 112.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: RCFGBuilder took 23348.92ms. Allocated memory was 188.7MB in the beginning and 234.9MB in the end (delta: 46.1MB). Free memory was 112.0MB in the beginning and 183.9MB in the end (delta: -72.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,565 INFO L158 Benchmark]: TraceAbstraction took 863977.38ms. Allocated memory is still 234.9MB. Free memory was 183.4MB in the beginning and 91.0MB in the end (delta: 92.4MB). Peak memory consumption was 92.4MB. Max. memory is 8.0GB. [2023-12-23 03:34:58,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-23 03:34:58,569 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 137 Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 188.7MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 314.58ms. Allocated memory is still 188.7MB. Free memory was 134.5MB in the beginning and 118.5MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.76ms. Allocated memory is still 188.7MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.82ms. Allocated memory is still 188.7MB. Free memory was 115.9MB in the beginning and 112.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 23348.92ms. Allocated memory was 188.7MB in the beginning and 234.9MB in the end (delta: 46.1MB). Free memory was 112.0MB in the beginning and 183.9MB in the end (delta: -72.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * TraceAbstraction took 863977.38ms. Allocated memory is still 234.9MB. Free memory was 183.4MB in the beginning and 91.0MB in the end (delta: 92.4MB). Peak memory consumption was 92.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 203 with TraceHistMax 33,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 863.9s, OverallIterations: 3, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 376 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 292 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 2 NumberOfNonLiveVariables, 666 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4224/4224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown