/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-pe-co_file-82.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 10:09:32,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 10:09:32,090 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 10:09:32,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 10:09:32,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 10:09:32,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 10:09:32,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 10:09:32,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 10:09:32,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 10:09:32,135 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 10:09:32,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 10:09:32,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 10:09:32,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 10:09:32,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 10:09:32,138 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 10:09:32,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 10:09:32,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 10:09:32,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 10:09:32,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 10:09:32,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 10:09:32,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 10:09:32,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 10:09:32,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 10:09:32,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 10:09:32,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 10:09:32,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 10:09:32,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 10:09:32,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 10:09:32,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 10:09:32,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 10:09:32,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 10:09:32,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 10:09:32,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 10:09:32,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 10:09:32,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 10:09:32,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 10:09:32,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 10:09:32,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 10:09:32,143 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 10:09:32,143 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 10:09:32,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 10:09:32,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 10:09:32,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 10:09:32,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 10:09:32,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 10:09:32,145 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 10:09:32,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 10:09:32,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 10:09:32,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 10:09:32,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 10:09:32,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 10:09:32,393 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 10:09:32,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-12-23 10:09:33,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 10:09:33,779 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 10:09:33,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-12-23 10:09:33,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d547f233/ccfe0576ee6f47aeb10e46ca6f94fedc/FLAGf9d72e477 [2023-12-23 10:09:33,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d547f233/ccfe0576ee6f47aeb10e46ca6f94fedc [2023-12-23 10:09:33,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 10:09:33,811 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 10:09:33,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 10:09:33,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 10:09:33,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 10:09:33,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:09:33" (1/1) ... [2023-12-23 10:09:33,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345698d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:33, skipping insertion in model container [2023-12-23 10:09:33,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:09:33" (1/1) ... [2023-12-23 10:09:33,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 10:09:33,999 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-pe-co_file-82.i[919,932] [2023-12-23 10:09:34,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 10:09:34,072 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 10:09:34,081 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-pe-co_file-82.i[919,932] [2023-12-23 10:09:34,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 10:09:34,128 INFO L206 MainTranslator]: Completed translation [2023-12-23 10:09:34,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34 WrapperNode [2023-12-23 10:09:34,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 10:09:34,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 10:09:34,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 10:09:34,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 10:09:34,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,174 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-12-23 10:09:34,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 10:09:34,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 10:09:34,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 10:09:34,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 10:09:34,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,202 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 10:09:34,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 10:09:34,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 10:09:34,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 10:09:34,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 10:09:34,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (1/1) ... [2023-12-23 10:09:34,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 10:09:34,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 10:09:34,284 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 10:09:34,307 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 10:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 10:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 10:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 10:09:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 10:09:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 10:09:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 10:09:34,427 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 10:09:34,428 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 10:09:58,820 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 10:09:58,898 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 10:09:58,899 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 10:09:58,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:09:58 BoogieIcfgContainer [2023-12-23 10:09:58,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 10:09:58,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 10:09:58,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 10:09:58,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 10:09:58,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:09:33" (1/3) ... [2023-12-23 10:09:58,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d6c502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:09:58, skipping insertion in model container [2023-12-23 10:09:58,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:09:34" (2/3) ... [2023-12-23 10:09:58,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d6c502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:09:58, skipping insertion in model container [2023-12-23 10:09:58,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:09:58" (3/3) ... [2023-12-23 10:09:58,910 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-82.i [2023-12-23 10:09:58,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 10:09:58,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 10:09:58,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 10:09:58,964 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;@3d473a74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 10:09:58,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 10:09:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-23 10:09:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-23 10:09:58,982 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 10:09:58,983 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:09:58,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 10:09:58,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 10:09:58,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1735258590, now seen corresponding path program 1 times [2023-12-23 10:09:58,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 10:09:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869036048] [2023-12-23 10:09:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 10:09:58,999 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 10:09:59,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 10:09:59,005 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 10:09:59,011 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 10:09:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 10:09:59,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 10:10:00,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 10:10:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2023-12-23 10:10:00,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 10:10:00,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 10:10:00,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869036048] [2023-12-23 10:10:00,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869036048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 10:10:00,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 10:10:00,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 10:10:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786133337] [2023-12-23 10:10:00,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 10:10:00,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 10:10:00,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 10:10:00,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 10:10:00,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 10:10:00,087 INFO L87 Difference]: Start difference. First operand has 80 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-23 10:10:04,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:04,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 10:10:04,391 INFO L93 Difference]: Finished difference Result 157 states and 281 transitions. [2023-12-23 10:10:04,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 10:10:04,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-12-23 10:10:04,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 10:10:04,488 INFO L225 Difference]: With dead ends: 157 [2023-12-23 10:10:04,488 INFO L226 Difference]: Without dead ends: 78 [2023-12-23 10:10:04,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 10:10:04,494 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-23 10:10:04,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-23 10:10:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-23 10:10:04,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-23 10:10:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-23 10:10:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 123 transitions. [2023-12-23 10:10:04,536 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 123 transitions. Word has length 171 [2023-12-23 10:10:04,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 10:10:04,536 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 123 transitions. [2023-12-23 10:10:04,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-23 10:10:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-12-23 10:10:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-23 10:10:04,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 10:10:04,541 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:04,580 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 10:10:04,768 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 10:10:04,768 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 10:10:04,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 10:10:04,769 INFO L85 PathProgramCache]: Analyzing trace with hash 760006568, now seen corresponding path program 1 times [2023-12-23 10:10:04,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 10:10:04,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376307961] [2023-12-23 10:10:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 10:10:04,770 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 10:10:04,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 10:10:04,772 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 10:10:04,798 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 10:10:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 10:10:05,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 10:10:05,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 10:10:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 492 proven. 123 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2023-12-23 10:10:09,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 10:10:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 27 proven. 126 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2023-12-23 10:10:11,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 10:10:11,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376307961] [2023-12-23 10:10:11,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376307961] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 10:10:11,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 10:10:11,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-23 10:10:11,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978224978] [2023-12-23 10:10:11,370 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 10:10:11,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-23 10:10:11,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 10:10:11,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-23 10:10:11,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-23 10:10:11,373 INFO L87 Difference]: Start difference. First operand 78 states and 123 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-23 10:10:15,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:21,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:25,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:29,869 WARN L539 Checker$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 10:10:33,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:37,884 WARN L539 Checker$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 10:10:39,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 10:10:39,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 10:10:39,529 INFO L93 Difference]: Finished difference Result 179 states and 273 transitions. [2023-12-23 10:10:39,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-23 10:10:39,530 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 171 [2023-12-23 10:10:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 10:10:39,532 INFO L225 Difference]: With dead ends: 179 [2023-12-23 10:10:39,532 INFO L226 Difference]: Without dead ends: 102 [2023-12-23 10:10:39,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-12-23 10:10:39,535 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 235 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 100 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2023-12-23 10:10:39,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 207 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 27.2s Time] [2023-12-23 10:10:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-23 10:10:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2023-12-23 10:10:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 60 states have internal predecessors, (74), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-23 10:10:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-23 10:10:39,552 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 171 [2023-12-23 10:10:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 10:10:39,552 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-23 10:10:39,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 3 states have call successors, (49), 3 states have call predecessors, (49), 7 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-23 10:10:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-23 10:10:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-23 10:10:39,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 10:10:39,556 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:10:39,593 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 10:10:39,784 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 10:10:39,785 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 10:10:39,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 10:10:39,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1698941953, now seen corresponding path program 1 times [2023-12-23 10:10:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 10:10:39,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338035769] [2023-12-23 10:10:39,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 10:10:39,786 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 10:10:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 10:10:39,788 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 10:10:39,789 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 10:10:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 10:10:41,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-23 10:10:41,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 10:11:05,443 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 10:11:13,752 WARN L293 SmtUtils]: Spent 8.27s 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 10:11:21,984 WARN L293 SmtUtils]: Spent 8.23s 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 10:11:30,238 WARN L293 SmtUtils]: Spent 8.25s 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 10:11:38,468 WARN L293 SmtUtils]: Spent 8.23s 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 10:11:46,704 WARN L293 SmtUtils]: Spent 8.23s 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 10:11:54,940 WARN L293 SmtUtils]: Spent 8.23s 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 10:12:03,190 WARN L293 SmtUtils]: Spent 8.25s 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 10:12:11,435 WARN L293 SmtUtils]: Spent 8.24s 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 10:12:19,681 WARN L293 SmtUtils]: Spent 8.24s 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 10:12:28,054 WARN L293 SmtUtils]: Spent 8.37s 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 10:12:36,303 WARN L293 SmtUtils]: Spent 8.25s 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 10:12:44,584 WARN L293 SmtUtils]: Spent 8.28s 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 10:12:52,851 WARN L293 SmtUtils]: Spent 8.27s 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 10:13:01,125 WARN L293 SmtUtils]: Spent 8.27s 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 10:13:09,382 WARN L293 SmtUtils]: Spent 8.26s 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 10:13:17,641 WARN L293 SmtUtils]: Spent 8.26s 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 10:13:25,903 WARN L293 SmtUtils]: Spent 8.26s 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 10:13:29,988 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_23~0 (_ bv50 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse2 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse1 (fp.gt .cse0 .cse2))) (or (and (fp.leq c_~var_1_8~0 .cse0) .cse1) (and (not .cse1) (fp.leq c_~var_1_8~0 .cse2))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (let ((.cse3 (bvneg c_~var_1_18~0)) (.cse4 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_19~0)) c_~var_1_16~0) .cse4) (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_20~0)) c_~var_1_16~0) (not .cse4)))) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32))) is different from false [2023-12-23 10:13:34,045 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_23~0 (_ bv50 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse2 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse1 (fp.gt .cse0 .cse2))) (or (and (fp.leq c_~var_1_8~0 .cse0) .cse1) (and (not .cse1) (fp.leq c_~var_1_8~0 .cse2))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (let ((.cse3 (bvneg c_~var_1_18~0)) (.cse4 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_19~0)) c_~var_1_16~0) .cse4) (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_20~0)) c_~var_1_16~0) (not .cse4)))) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32))) is different from true [2023-12-23 10:13:42,318 WARN L293 SmtUtils]: Spent 8.25s 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 10:13:50,584 WARN L293 SmtUtils]: Spent 8.26s 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 10:13:58,841 WARN L293 SmtUtils]: Spent 8.26s 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 10:14:07,116 WARN L293 SmtUtils]: Spent 8.27s 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 10:14:15,379 WARN L293 SmtUtils]: Spent 8.26s 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 10:14:23,637 WARN L293 SmtUtils]: Spent 8.26s 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 10:14:31,909 WARN L293 SmtUtils]: Spent 8.27s 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 10:14:40,167 WARN L293 SmtUtils]: Spent 8.26s 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 10:14:48,414 WARN L293 SmtUtils]: Spent 8.25s 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 10:14:56,693 WARN L293 SmtUtils]: Spent 8.28s 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 10:15:04,959 WARN L293 SmtUtils]: Spent 8.27s 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 10:15:13,234 WARN L293 SmtUtils]: Spent 8.27s 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 10:15:21,494 WARN L293 SmtUtils]: Spent 8.26s 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 10:15:29,764 WARN L293 SmtUtils]: Spent 8.27s 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 10:15:38,030 WARN L293 SmtUtils]: Spent 8.27s 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 10:15:46,306 WARN L293 SmtUtils]: Spent 8.27s 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 10:15:54,559 WARN L293 SmtUtils]: Spent 8.25s 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 10:16:02,823 WARN L293 SmtUtils]: Spent 8.26s 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 10:16:06,907 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_23~0 (_ bv50 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse2 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse1 (fp.gt .cse0 .cse2))) (or (and (fp.leq c_~var_1_8~0 .cse0) .cse1) (and (not .cse1) (fp.leq c_~var_1_8~0 .cse2))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (let ((.cse3 (bvneg c_~var_1_18~0)) (.cse4 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_19~0)) c_~var_1_16~0) .cse4) (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_20~0)) c_~var_1_16~0) (not .cse4)))) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= (bvadd (_ bv16 32) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32))) is different from false [2023-12-23 10:16:10,970 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_23~0 (_ bv50 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse2 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse1 (fp.gt .cse0 .cse2))) (or (and (fp.leq c_~var_1_8~0 .cse0) .cse1) (and (not .cse1) (fp.leq c_~var_1_8~0 .cse2))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (let ((.cse3 (bvneg c_~var_1_18~0)) (.cse4 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_19~0)) c_~var_1_16~0) .cse4) (and (= (bvadd (_ bv100 32) .cse3 c_~var_1_17~0 (bvneg c_~var_1_20~0)) c_~var_1_16~0) (not .cse4)))) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= (bvadd (_ bv16 32) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32))) is different from true [2023-12-23 10:16:19,310 WARN L293 SmtUtils]: Spent 8.32s 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 10:16:27,601 WARN L293 SmtUtils]: Spent 8.29s 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 10:16:35,894 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 10:16:44,185 WARN L293 SmtUtils]: Spent 8.29s 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 10:16:52,655 WARN L293 SmtUtils]: Spent 8.47s 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 10:17:00,944 WARN L293 SmtUtils]: Spent 8.29s 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 10:17:09,227 WARN L293 SmtUtils]: Spent 8.28s 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 10:17:17,520 WARN L293 SmtUtils]: Spent 8.29s 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 10:17:25,811 WARN L293 SmtUtils]: Spent 8.29s 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 10:17:34,115 WARN L293 SmtUtils]: Spent 8.30s 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 10:17:42,403 WARN L293 SmtUtils]: Spent 8.29s 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 10:17:50,695 WARN L293 SmtUtils]: Spent 8.29s 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 10:17:58,984 WARN L293 SmtUtils]: Spent 8.29s 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 10:18:07,284 WARN L293 SmtUtils]: Spent 8.30s 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 10:18:15,577 WARN L293 SmtUtils]: Spent 8.29s 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 10:18:23,885 WARN L293 SmtUtils]: Spent 8.31s 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 10:18:32,189 WARN L293 SmtUtils]: Spent 8.30s 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 10:18:40,484 WARN L293 SmtUtils]: Spent 8.29s 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 10:18:48,765 WARN L293 SmtUtils]: Spent 8.28s 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 10:18:52,880 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse1 (bvneg c_~var_1_18~0)) (.cse0 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (not .cse0) (= (_ bv0 32) (bvadd .cse1 c_~var_1_17~0 (_ bv116 32) (bvneg c_~var_1_20~0)))) (and (= (_ bv0 32) (bvadd .cse1 c_~var_1_17~0 (bvneg c_~var_1_19~0) (_ bv116 32))) .cse0))) (= c_~last_1_var_1_23~0 (_ bv50 32)) (= (bvadd (_ bv16 32) c_~var_1_16~0) (_ bv0 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse4 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse3 (fp.gt .cse2 .cse4))) (or (and (fp.leq c_~var_1_8~0 .cse2) .cse3) (and (not .cse3) (fp.leq c_~var_1_8~0 .cse4))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32)) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 4531.0 1000.0))))) is different from false [2023-12-23 10:18:56,933 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse1 (bvneg c_~var_1_18~0)) (.cse0 (bvsgt c_~var_1_19~0 c_~var_1_20~0))) (or (and (not .cse0) (= (_ bv0 32) (bvadd .cse1 c_~var_1_17~0 (_ bv116 32) (bvneg c_~var_1_20~0)))) (and (= (_ bv0 32) (bvadd .cse1 c_~var_1_17~0 (bvneg c_~var_1_19~0) (_ bv116 32))) .cse0))) (= c_~last_1_var_1_23~0 (_ bv50 32)) (= (bvadd (_ bv16 32) c_~var_1_16~0) (_ bv0 32)) (bvsle c_~var_1_17~0 (_ bv1073741823 32)) (let ((.cse2 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 4.0)))) (.cse4 (fp.mul c_currentRoundingMode c_~last_1_var_1_7~0 c_~var_1_9~0))) (let ((.cse3 (fp.gt .cse2 .cse4))) (or (and (fp.leq c_~var_1_8~0 .cse2) .cse3) (and (not .cse3) (fp.leq c_~var_1_8~0 .cse4))))) (= (bvadd (_ bv16 32) c_~var_1_23~0) (_ bv0 32)) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 (fp.add c_currentRoundingMode c_~var_1_8~0 c_~var_1_9~0))) (bvsge c_~var_1_18~0 (_ bv0 32)) (bvsle c_~var_1_18~0 (_ bv536870911 32)) (bvsge c_~var_1_17~0 (_ bv536870911 32)) (= c_currentRoundingMode roundNearestTiesToEven) (= (bvadd (_ bv16 32) c_~last_1_var_1_14~0) (_ bv0 32)) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 4531.0 1000.0))))) is different from true [2023-12-23 10:19:05,229 WARN L293 SmtUtils]: Spent 8.28s 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 10:19:13,506 WARN L293 SmtUtils]: Spent 8.28s 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 10:19:21,793 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 10:19:30,073 WARN L293 SmtUtils]: Spent 8.28s 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 10:19:38,370 WARN L293 SmtUtils]: Spent 8.30s 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 10:19:46,655 WARN L293 SmtUtils]: Spent 8.28s 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 10:19:54,931 WARN L293 SmtUtils]: Spent 8.28s 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 10:20:03,221 WARN L293 SmtUtils]: Spent 8.29s 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 10:20:11,524 WARN L293 SmtUtils]: Spent 8.30s 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 10:20:19,790 WARN L293 SmtUtils]: Spent 8.26s 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 10:20:28,072 WARN L293 SmtUtils]: Spent 8.28s 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 10:20:36,362 WARN L293 SmtUtils]: Spent 8.29s 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 10:20:44,631 WARN L293 SmtUtils]: Spent 8.27s 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 10:20:52,899 WARN L293 SmtUtils]: Spent 8.27s 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 10:21:01,164 WARN L293 SmtUtils]: Spent 8.26s 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 10:21:09,442 WARN L293 SmtUtils]: Spent 8.28s 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 10:21:17,710 WARN L293 SmtUtils]: Spent 8.27s 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 10:21:25,995 WARN L293 SmtUtils]: Spent 8.28s 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 10:21:34,275 WARN L293 SmtUtils]: Spent 8.28s 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 10:21:42,576 WARN L293 SmtUtils]: Spent 8.29s 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 10:21:50,865 WARN L293 SmtUtils]: Spent 8.29s 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 10:21:59,150 WARN L293 SmtUtils]: Spent 8.28s 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 10:22:07,443 WARN L293 SmtUtils]: Spent 8.29s 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 10:22:15,742 WARN L293 SmtUtils]: Spent 8.30s 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 10:22:24,024 WARN L293 SmtUtils]: Spent 8.28s 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 10:22:32,294 WARN L293 SmtUtils]: Spent 8.27s 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 10:22:40,571 WARN L293 SmtUtils]: Spent 8.28s 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 10:22:48,853 WARN L293 SmtUtils]: Spent 8.28s 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 10:22:57,138 WARN L293 SmtUtils]: Spent 8.28s 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 10:23:05,424 WARN L293 SmtUtils]: Spent 8.29s 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 10:23:13,704 WARN L293 SmtUtils]: Spent 8.28s 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 10:23:21,989 WARN L293 SmtUtils]: Spent 8.28s 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 10:23:30,270 WARN L293 SmtUtils]: Spent 8.28s 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 10:23:38,554 WARN L293 SmtUtils]: Spent 8.28s 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 10:23:46,848 WARN L293 SmtUtils]: Spent 8.29s 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 10:23:55,143 WARN L293 SmtUtils]: Spent 8.29s 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 10:24:03,433 WARN L293 SmtUtils]: Spent 8.29s 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) Received shutdown request... [2023-12-23 10:24:11,296 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 10:24:11,296 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 10:24:11,725 WARN L293 SmtUtils]: Spent 8.29s 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 10:24:12,336 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 10:24:12,502 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 10:24:12,542 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 10:24:12,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 10:24:12,545 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 173 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 10:24:12,548 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 10:24:12,550 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 10:24:12,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 10:24:12 BoogieIcfgContainer [2023-12-23 10:24:12,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 10:24:12,552 INFO L158 Benchmark]: Toolchain (without parser) took 878741.09ms. Allocated memory is still 263.2MB. Free memory was 212.2MB in the beginning and 170.4MB in the end (delta: 41.8MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,552 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 202.4MB. Free memory was 151.4MB in the beginning and 151.3MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 10:24:12,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.03ms. Allocated memory is still 263.2MB. Free memory was 212.2MB in the beginning and 196.2MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.28ms. Allocated memory is still 263.2MB. Free memory was 196.2MB in the beginning and 193.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,553 INFO L158 Benchmark]: Boogie Preprocessor took 60.75ms. Allocated memory is still 263.2MB. Free memory was 193.6MB in the beginning and 189.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,553 INFO L158 Benchmark]: RCFGBuilder took 24662.73ms. Allocated memory is still 263.2MB. Free memory was 189.9MB in the beginning and 227.8MB in the end (delta: -37.9MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,553 INFO L158 Benchmark]: TraceAbstraction took 853650.14ms. Allocated memory is still 263.2MB. Free memory was 226.8MB in the beginning and 170.4MB in the end (delta: 56.4MB). Peak memory consumption was 56.7MB. Max. memory is 8.0GB. [2023-12-23 10:24:12,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 202.4MB. Free memory was 151.4MB in the beginning and 151.3MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.03ms. Allocated memory is still 263.2MB. Free memory was 212.2MB in the beginning and 196.2MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.28ms. Allocated memory is still 263.2MB. Free memory was 196.2MB in the beginning and 193.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.75ms. Allocated memory is still 263.2MB. Free memory was 193.6MB in the beginning and 189.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 24662.73ms. Allocated memory is still 263.2MB. Free memory was 189.9MB in the beginning and 227.8MB in the end (delta: -37.9MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. * TraceAbstraction took 853650.14ms. Allocated memory is still 263.2MB. Free memory was 226.8MB in the beginning and 170.4MB in the end (delta: 56.4MB). Peak memory consumption was 56.7MB. 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 173 with TraceHistMax 27,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 853.6s, OverallIterations: 3, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 31.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 31.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 215 mSDtfsCounter, 237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 499 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 510 ConstructedInterpolants, 0 QuantifiedInterpolants, 1895 SizeOfPredicates, 7 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3963/4212 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