/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_fillercodestructure_filler-ps-ci_file-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 14:48:29,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 14:48:29,525 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 14:48:29,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 14:48:29,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 14:48:29,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 14:48:29,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 14:48:29,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 14:48:29,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 14:48:29,542 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 14:48:29,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 14:48:29,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 14:48:29,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 14:48:29,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 14:48:29,544 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 14:48:29,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 14:48:29,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 14:48:29,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 14:48:29,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 14:48:29,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 14:48:29,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 14:48:29,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 14:48:29,546 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 14:48:29,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 14:48:29,547 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 14:48:29,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 14:48:29,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 14:48:29,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 14:48:29,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 14:48:29,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:48:29,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 14:48:29,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 14:48:29,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 14:48:29,549 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 14:48:29,549 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 14:48:29,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 14:48:29,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 14:48:29,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 14:48:29,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 14:48:29,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 14:48:29,550 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 14:48:29,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 14:48:29,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 14:48:29,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 14:48:29,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 14:48:29,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 14:48:29,701 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 14:48:29,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-87.i [2023-12-23 14:48:30,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 14:48:30,846 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 14:48:30,846 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-87.i [2023-12-23 14:48:30,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980829928/430683ec67044502a28179bd5b80678c/FLAGb72d9d0ec [2023-12-23 14:48:30,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980829928/430683ec67044502a28179bd5b80678c [2023-12-23 14:48:30,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 14:48:30,865 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 14:48:30,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 14:48:30,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 14:48:30,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 14:48:30,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:48:30" (1/1) ... [2023-12-23 14:48:30,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddc2b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:30, skipping insertion in model container [2023-12-23 14:48:30,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:48:30" (1/1) ... [2023-12-23 14:48:30,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 14:48:31,030 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_fillercodestructure_filler-ps-ci_file-87.i[919,932] [2023-12-23 14:48:31,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:48:31,091 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 14:48:31,100 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_fillercodestructure_filler-ps-ci_file-87.i[919,932] [2023-12-23 14:48:31,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:48:31,143 INFO L206 MainTranslator]: Completed translation [2023-12-23 14:48:31,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31 WrapperNode [2023-12-23 14:48:31,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 14:48:31,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 14:48:31,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 14:48:31,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 14:48:31,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,182 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 255 [2023-12-23 14:48:31,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 14:48:31,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 14:48:31,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 14:48:31,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 14:48:31,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,209 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 14:48:31,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 14:48:31,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 14:48:31,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 14:48:31,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 14:48:31,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (1/1) ... [2023-12-23 14:48:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:48:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 14:48:31,307 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 14:48:31,325 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 14:48:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 14:48:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 14:48:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 14:48:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 14:48:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 14:48:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 14:48:31,456 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 14:48:31,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 14:48:42,016 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 14:48:42,081 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 14:48:42,081 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 14:48:42,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:48:42 BoogieIcfgContainer [2023-12-23 14:48:42,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 14:48:42,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 14:48:42,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 14:48:42,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 14:48:42,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:48:30" (1/3) ... [2023-12-23 14:48:42,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc48192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:48:42, skipping insertion in model container [2023-12-23 14:48:42,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:48:31" (2/3) ... [2023-12-23 14:48:42,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc48192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:48:42, skipping insertion in model container [2023-12-23 14:48:42,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:48:42" (3/3) ... [2023-12-23 14:48:42,094 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-87.i [2023-12-23 14:48:42,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 14:48:42,106 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 14:48:42,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 14:48:42,147 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;@60c205d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 14:48:42,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 14:48:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 59 states have internal predecessors, (79), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 14:48:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-23 14:48:42,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:48:42,164 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:42,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:48:42,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:48:42,168 INFO L85 PathProgramCache]: Analyzing trace with hash 306216846, now seen corresponding path program 1 times [2023-12-23 14:48:42,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:48:42,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624747307] [2023-12-23 14:48:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:48:42,178 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 14:48:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:48:42,180 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 14:48:42,188 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 14:48:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:48:42,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 14:48:42,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:48:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1674 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2023-12-23 14:48:42,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:48:42,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:48:42,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624747307] [2023-12-23 14:48:42,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624747307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:48:42,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:48:42,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 14:48:42,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77561087] [2023-12-23 14:48:42,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:48:42,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 14:48:42,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:48:42,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 14:48:42,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 14:48:42,960 INFO L87 Difference]: Start difference. First operand has 107 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 59 states have internal predecessors, (79), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 14:48:47,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:48:47,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:48:47,179 INFO L93 Difference]: Finished difference Result 211 states and 386 transitions. [2023-12-23 14:48:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 14:48:47,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 276 [2023-12-23 14:48:47,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:48:47,252 INFO L225 Difference]: With dead ends: 211 [2023-12-23 14:48:47,252 INFO L226 Difference]: Without dead ends: 105 [2023-12-23 14:48:47,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 275 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 14:48:47,259 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 14:48:47,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 14:48:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-23 14:48:47,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-12-23 14:48:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 14:48:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 166 transitions. [2023-12-23 14:48:47,297 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 166 transitions. Word has length 276 [2023-12-23 14:48:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:48:47,297 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 166 transitions. [2023-12-23 14:48:47,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 14:48:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2023-12-23 14:48:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-23 14:48:47,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:48:47,302 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:47,323 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 14:48:47,509 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 14:48:47,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:48:47,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:48:47,510 INFO L85 PathProgramCache]: Analyzing trace with hash -797251310, now seen corresponding path program 1 times [2023-12-23 14:48:47,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:48:47,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061716280] [2023-12-23 14:48:47,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:48:47,511 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 14:48:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:48:47,520 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 14:48:47,521 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 14:48:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:48:48,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 14:48:48,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:48:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1809 proven. 93 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2023-12-23 14:48:49,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 14:48:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-23 14:48:50,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:48:50,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061716280] [2023-12-23 14:48:50,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061716280] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 14:48:50,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 14:48:50,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-23 14:48:50,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994812453] [2023-12-23 14:48:50,771 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 14:48:50,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 14:48:50,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:48:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 14:48:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 14:48:50,774 INFO L87 Difference]: Start difference. First operand 105 states and 166 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2023-12-23 14:48:56,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:49:00,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:49:04,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:49:05,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:49:05,201 INFO L93 Difference]: Finished difference Result 239 states and 374 transitions. [2023-12-23 14:49:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 14:49:05,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 276 [2023-12-23 14:49:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:49:05,207 INFO L225 Difference]: With dead ends: 239 [2023-12-23 14:49:05,207 INFO L226 Difference]: Without dead ends: 135 [2023-12-23 14:49:05,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-23 14:49:05,209 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 232 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 218 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-12-23 14:49:05,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 289 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 337 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2023-12-23 14:49:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-12-23 14:49:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2023-12-23 14:49:05,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 68 states have internal predecessors, (82), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 14:49:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 202 transitions. [2023-12-23 14:49:05,244 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 202 transitions. Word has length 276 [2023-12-23 14:49:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:49:05,245 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 202 transitions. [2023-12-23 14:49:05,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2023-12-23 14:49:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 202 transitions. [2023-12-23 14:49:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-12-23 14:49:05,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:49:05,248 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:05,282 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 [2023-12-23 14:49:05,471 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 14:49:05,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:49:05,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:49:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1971639116, now seen corresponding path program 1 times [2023-12-23 14:49:05,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:49:05,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765385297] [2023-12-23 14:49:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:49:05,474 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 14:49:05,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:49:05,490 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 14:49:05,515 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 14:49:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:49:07,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-23 14:49:07,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:51:29,880 WARN L293 SmtUtils]: Spent 8.41s 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 14:51:38,259 WARN L293 SmtUtils]: Spent 8.38s 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 14:51:46,616 WARN L293 SmtUtils]: Spent 8.36s 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 14:51:54,983 WARN L293 SmtUtils]: Spent 8.37s 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 14:52:03,380 WARN L293 SmtUtils]: Spent 8.39s 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 14:52:11,718 WARN L293 SmtUtils]: Spent 8.34s 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 14:52:24,574 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:52:33,800 WARN L293 SmtUtils]: Spent 8.72s 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 14:52:42,037 WARN L293 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:52:50,743 WARN L293 SmtUtils]: Spent 8.39s 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 14:52:59,096 WARN L293 SmtUtils]: Spent 8.35s 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 14:53:07,498 WARN L293 SmtUtils]: Spent 8.40s 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 14:53:15,825 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:53:24,230 WARN L293 SmtUtils]: Spent 8.40s 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 14:53:32,568 WARN L293 SmtUtils]: Spent 8.34s 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 14:53:40,779 WARN L293 SmtUtils]: Spent 8.21s 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 14:53:49,000 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:53:57,530 WARN L293 SmtUtils]: Spent 8.53s 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 14:54:05,926 WARN L293 SmtUtils]: Spent 8.40s 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 14:54:14,361 WARN L293 SmtUtils]: Spent 8.43s 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 14:54:22,782 WARN L293 SmtUtils]: Spent 8.42s 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 14:54:31,214 WARN L293 SmtUtils]: Spent 8.43s 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 14:54:39,680 WARN L293 SmtUtils]: Spent 8.46s 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 14:54:48,106 WARN L293 SmtUtils]: Spent 8.43s 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 14:54:56,530 WARN L293 SmtUtils]: Spent 8.42s 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 14:55:04,938 WARN L293 SmtUtils]: Spent 8.41s 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 14:55:13,411 WARN L293 SmtUtils]: Spent 8.47s 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 14:55:21,879 WARN L293 SmtUtils]: Spent 8.47s 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 14:55:30,528 WARN L293 SmtUtils]: Spent 8.65s 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 14:55:38,981 WARN L293 SmtUtils]: Spent 8.45s 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 14:55:47,433 WARN L293 SmtUtils]: Spent 8.45s 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 14:55:55,873 WARN L293 SmtUtils]: Spent 8.44s 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 14:56:04,331 WARN L293 SmtUtils]: Spent 8.46s 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 14:56:12,768 WARN L293 SmtUtils]: Spent 8.44s 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 14:56:21,215 WARN L293 SmtUtils]: Spent 8.45s 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 14:56:29,700 WARN L293 SmtUtils]: Spent 8.48s 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 14:56:38,151 WARN L293 SmtUtils]: Spent 8.45s 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 14:56:46,589 WARN L293 SmtUtils]: Spent 8.44s 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 14:56:55,031 WARN L293 SmtUtils]: Spent 8.44s 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 14:57:03,482 WARN L293 SmtUtils]: Spent 8.45s 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 14:57:11,929 WARN L293 SmtUtils]: Spent 8.45s 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 14:57:20,382 WARN L293 SmtUtils]: Spent 8.45s 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 14:57:28,821 WARN L293 SmtUtils]: Spent 8.44s 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 14:57:37,288 WARN L293 SmtUtils]: Spent 8.47s 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 14:57:45,745 WARN L293 SmtUtils]: Spent 8.46s 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 14:57:54,227 WARN L293 SmtUtils]: Spent 8.48s 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 14:58:02,676 WARN L293 SmtUtils]: Spent 8.45s 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 14:58:11,163 WARN L293 SmtUtils]: Spent 8.49s 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 14:58:19,623 WARN L293 SmtUtils]: Spent 8.46s 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 14:58:28,069 WARN L293 SmtUtils]: Spent 8.44s 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 14:58:36,541 WARN L293 SmtUtils]: Spent 8.47s 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 14:58:45,037 WARN L293 SmtUtils]: Spent 8.49s 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 14:58:53,481 WARN L293 SmtUtils]: Spent 8.44s 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 14:59:01,921 WARN L293 SmtUtils]: Spent 8.44s 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 14:59:10,341 WARN L293 SmtUtils]: Spent 8.42s 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 14:59:18,792 WARN L293 SmtUtils]: Spent 8.45s 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 14:59:27,236 WARN L293 SmtUtils]: Spent 8.44s 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 14:59:35,676 WARN L293 SmtUtils]: Spent 8.44s 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 14:59:44,115 WARN L293 SmtUtils]: Spent 8.44s 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 14:59:52,559 WARN L293 SmtUtils]: Spent 8.44s 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 15:00:01,007 WARN L293 SmtUtils]: Spent 8.45s 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 15:00:09,622 WARN L293 SmtUtils]: Spent 8.61s 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 15:00:18,042 WARN L293 SmtUtils]: Spent 8.42s 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 15:00:22,175 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse0 (fp.neg .cse2)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse14 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)))) (and (bvsle ((_ zero_extend 16) c_~var_1_33~0) (_ bv32767 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsge ((_ zero_extend 16) c_~var_1_32~0) (_ bv32767 32)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (let ((.cse7 (bvand c_~var_1_7~0 c_~var_1_6~0))) (or (and (bvsgt (bvand c_~var_1_5~0 c_~var_1_20~0) .cse7) (exists ((~var_1_41~0 (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ~var_1_41~0) c_~var_1_5~0)))) (exists ((~var_1_41~0 (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) ~var_1_41~0))) (and (bvsgt .cse8 c_~var_1_5~0) (bvsgt (bvand .cse8 c_~var_1_20~0) .cse7)))))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse12 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse9 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse11 (= c_~var_1_11~0 .cse12))) (or (and (not .cse9) (let ((.cse10 (fp.gt c_~var_1_13~0 .cse12))) (or (and .cse10 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse10) .cse11)))) (and .cse9 (let ((.cse13 (fp.gt c_~var_1_12~0 .cse12))) (or (and .cse13 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse13) .cse11))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse14) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse14) (bvsge c_~var_1_6~0 (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse24 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse25 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse16 (fp.gt .cse24 .cse25)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse17 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse24 .cse23)) c_~var_1_24~0)) (.cse18 (not .cse16)) (.cse19 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse25 .cse23)) c_~var_1_24~0)) (.cse15 (fp.gt c_~var_1_15~0 .cse25))) (or (and (not .cse15) (or (and .cse16 .cse17) (and .cse18 .cse19))) (and (let ((.cse22 (fp.gt c_~var_1_15~0 .cse24))) (let ((.cse20 (and .cse22 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse23)) c_~var_1_24~0))) (.cse21 (not .cse22))) (or (and (or .cse20 (and .cse17 .cse21)) .cse16) (and .cse18 (or .cse20 (and .cse19 .cse21)))))) .cse15)))))))) is different from false [2023-12-23 15:00:26,299 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse0 (fp.neg .cse2)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse14 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)))) (and (bvsle ((_ zero_extend 16) c_~var_1_33~0) (_ bv32767 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsge ((_ zero_extend 16) c_~var_1_32~0) (_ bv32767 32)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (let ((.cse7 (bvand c_~var_1_7~0 c_~var_1_6~0))) (or (and (bvsgt (bvand c_~var_1_5~0 c_~var_1_20~0) .cse7) (exists ((~var_1_41~0 (_ BitVec 8))) (not (bvsgt ((_ zero_extend 24) ~var_1_41~0) c_~var_1_5~0)))) (exists ((~var_1_41~0 (_ BitVec 8))) (let ((.cse8 ((_ zero_extend 24) ~var_1_41~0))) (and (bvsgt .cse8 c_~var_1_5~0) (bvsgt (bvand .cse8 c_~var_1_20~0) .cse7)))))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse12 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse9 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse11 (= c_~var_1_11~0 .cse12))) (or (and (not .cse9) (let ((.cse10 (fp.gt c_~var_1_13~0 .cse12))) (or (and .cse10 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse10) .cse11)))) (and .cse9 (let ((.cse13 (fp.gt c_~var_1_12~0 .cse12))) (or (and .cse13 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse13) .cse11))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse14) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse14) (bvsge c_~var_1_6~0 (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse24 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse25 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse16 (fp.gt .cse24 .cse25)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse17 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse24 .cse23)) c_~var_1_24~0)) (.cse18 (not .cse16)) (.cse19 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse25 .cse23)) c_~var_1_24~0)) (.cse15 (fp.gt c_~var_1_15~0 .cse25))) (or (and (not .cse15) (or (and .cse16 .cse17) (and .cse18 .cse19))) (and (let ((.cse22 (fp.gt c_~var_1_15~0 .cse24))) (let ((.cse20 (and .cse22 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse23)) c_~var_1_24~0))) (.cse21 (not .cse22))) (or (and (or .cse20 (and .cse17 .cse21)) .cse16) (and .cse18 (or .cse20 (and .cse19 .cse21)))))) .cse15)))))))) is different from true [2023-12-23 15:00:34,838 WARN L293 SmtUtils]: Spent 8.47s 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 15:00:43,371 WARN L293 SmtUtils]: Spent 8.53s 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 15:00:51,907 WARN L293 SmtUtils]: Spent 8.54s 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 15:01:00,206 WARN L293 SmtUtils]: Spent 8.30s 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 15:01:08,539 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:01:17,042 WARN L293 SmtUtils]: Spent 8.50s 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 15:01:25,507 WARN L293 SmtUtils]: Spent 8.46s 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 15:01:33,841 WARN L293 SmtUtils]: Spent 8.33s 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 15:01:42,260 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:01:50,766 WARN L293 SmtUtils]: Spent 8.51s 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 15:01:59,363 WARN L293 SmtUtils]: Spent 8.60s 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 15:02:07,910 WARN L293 SmtUtils]: Spent 8.55s 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 15:02:16,230 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:02:24,697 WARN L293 SmtUtils]: Spent 8.47s 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 15:02:33,146 WARN L293 SmtUtils]: Spent 8.45s 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 15:02:41,433 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:02:49,948 WARN L293 SmtUtils]: Spent 8.51s 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 15:02:58,480 WARN L293 SmtUtils]: Spent 8.53s 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 15:03:07,072 WARN L293 SmtUtils]: Spent 8.59s 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 15:03:15,738 WARN L293 SmtUtils]: Spent 8.67s 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) Received shutdown request... [2023-12-23 15:03:16,757 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 15:03:16,757 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 15:03:17,796 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 15:03:17,958 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 15:03:18,003 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 15:03:18,003 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 278 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 15:03:18,004 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 [2023-12-23 15:03:18,007 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 15:03:18,009 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 15:03:18,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:03:18 BoogieIcfgContainer [2023-12-23 15:03:18,010 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 15:03:18,011 INFO L158 Benchmark]: Toolchain (without parser) took 887145.85ms. Allocated memory is still 332.4MB. Free memory was 278.9MB in the beginning and 174.6MB in the end (delta: 104.3MB). Peak memory consumption was 185.0MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,011 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 238.0MB. Free memory is still 187.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 15:03:18,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.09ms. Allocated memory is still 332.4MB. Free memory was 278.7MB in the beginning and 261.6MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 332.4MB. Free memory was 261.3MB in the beginning and 258.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,011 INFO L158 Benchmark]: Boogie Preprocessor took 55.74ms. Allocated memory is still 332.4MB. Free memory was 258.5MB in the beginning and 254.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,011 INFO L158 Benchmark]: RCFGBuilder took 10842.81ms. Allocated memory is still 332.4MB. Free memory was 254.3MB in the beginning and 271.0MB in the end (delta: -16.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,012 INFO L158 Benchmark]: TraceAbstraction took 875927.17ms. Allocated memory is still 332.4MB. Free memory was 270.4MB in the beginning and 174.6MB in the end (delta: 95.9MB). Peak memory consumption was 176.1MB. Max. memory is 8.0GB. [2023-12-23 15:03:18,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 238.0MB. Free memory is still 187.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.09ms. Allocated memory is still 332.4MB. Free memory was 278.7MB in the beginning and 261.6MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 332.4MB. Free memory was 261.3MB in the beginning and 258.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.74ms. Allocated memory is still 332.4MB. Free memory was 258.5MB in the beginning and 254.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 10842.81ms. Allocated memory is still 332.4MB. Free memory was 254.3MB in the beginning and 271.0MB in the end (delta: -16.6MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * TraceAbstraction took 875927.17ms. Allocated memory is still 332.4MB. Free memory was 270.4MB in the beginning and 174.6MB in the end (delta: 95.9MB). Peak memory consumption was 176.1MB. 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 278 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 875.9s, OverallIterations: 3, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 247 SdHoareTripleChecker+Valid, 18.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 18.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 339 IncrementalHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 218 mSolverCounterUnsat, 297 mSDtfsCounter, 339 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 833 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606 SizeOfPredicates, 8 NumberOfNonLiveVariables, 890 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 12234/12420 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