/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_codestructure_steplocals_file-80.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 22:27:43,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 22:27:43,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 22:27:43,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 22:27:43,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 22:27:43,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 22:27:43,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 22:27:43,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 22:27:43,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 22:27:43,323 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 22:27:43,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 22:27:43,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 22:27:43,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 22:27:43,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 22:27:43,325 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 22:27:43,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 22:27:43,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 22:27:43,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 22:27:43,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 22:27:43,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 22:27:43,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 22:27:43,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 22:27:43,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 22:27:43,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 22:27:43,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 22:27:43,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 22:27:43,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 22:27:43,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 22:27:43,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 22:27:43,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 22:27:43,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 22:27:43,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 22:27:43,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 22:27:43,330 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 22:27:43,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 22:27:43,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 22:27:43,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 22:27:43,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 22:27:43,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 22:27:43,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 22:27:43,331 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 22:27:43,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 22:27:43,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 22:27:43,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 22:27:43,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 22:27:43,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 22:27:43,531 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 22:27:43,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-12-22 22:27:44,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 22:27:44,720 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 22:27:44,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-12-22 22:27:44,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157f20e66/b08fc43a62ae43a6865aaf6f7b57b1ee/FLAGf210d4475 [2023-12-22 22:27:44,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/157f20e66/b08fc43a62ae43a6865aaf6f7b57b1ee [2023-12-22 22:27:44,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 22:27:44,752 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 22:27:44,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 22:27:44,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 22:27:44,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 22:27:44,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:27:44" (1/1) ... [2023-12-22 22:27:44,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3510b6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:44, skipping insertion in model container [2023-12-22 22:27:44,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:27:44" (1/1) ... [2023-12-22 22:27:44,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 22:27:44,897 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_codestructure_steplocals_file-80.i[917,930] [2023-12-22 22:27:44,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 22:27:44,958 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 22:27:44,966 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_codestructure_steplocals_file-80.i[917,930] [2023-12-22 22:27:44,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 22:27:45,004 INFO L206 MainTranslator]: Completed translation [2023-12-22 22:27:45,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45 WrapperNode [2023-12-22 22:27:45,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 22:27:45,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 22:27:45,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 22:27:45,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 22:27:45,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,046 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-12-22 22:27:45,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 22:27:45,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 22:27:45,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 22:27:45,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 22:27:45,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,084 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]. [2023-12-22 22:27:45,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 22:27:45,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 22:27:45,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 22:27:45,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 22:27:45,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (1/1) ... [2023-12-22 22:27:45,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 22:27:45,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 22:27:45,124 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) [2023-12-22 22:27:45,152 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 [2023-12-22 22:27:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 22:27:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 22:27:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 22:27:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 22:27:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 22:27:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 22:27:45,231 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 22:27:45,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 22:28:08,036 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 22:28:08,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 22:28:08,093 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 22:28:08,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:28:08 BoogieIcfgContainer [2023-12-22 22:28:08,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 22:28:08,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 22:28:08,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 22:28:08,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 22:28:08,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:27:44" (1/3) ... [2023-12-22 22:28:08,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6ac705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:28:08, skipping insertion in model container [2023-12-22 22:28:08,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:27:45" (2/3) ... [2023-12-22 22:28:08,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6ac705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:28:08, skipping insertion in model container [2023-12-22 22:28:08,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:28:08" (3/3) ... [2023-12-22 22:28:08,099 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-80.i [2023-12-22 22:28:08,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 22:28:08,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 22:28:08,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 22:28:08,170 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;@11f81714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 22:28:08,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 22:28:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-22 22:28:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-22 22:28:08,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:28:08,192 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:28:08,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:28:08,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:28:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash -30641210, now seen corresponding path program 1 times [2023-12-22 22:28:08,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:28:08,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209287277] [2023-12-22 22:28:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:28:08,212 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 [2023-12-22 22:28:08,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:28:08,214 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) [2023-12-22 22:28:08,217 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 [2023-12-22 22:28:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:28:09,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 22:28:09,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 22:28:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-22 22:28:09,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 22:28:09,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 22:28:09,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209287277] [2023-12-22 22:28:09,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209287277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 22:28:09,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 22:28:09,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 22:28:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409987497] [2023-12-22 22:28:09,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 22:28:09,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 22:28:09,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 22:28:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 22:28:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 22:28:09,357 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-22 22:28:14,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:28:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 22:28:14,151 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2023-12-22 22:28:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 22:28:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2023-12-22 22:28:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 22:28:14,445 INFO L225 Difference]: With dead ends: 127 [2023-12-22 22:28:14,445 INFO L226 Difference]: Without dead ends: 63 [2023-12-22 22:28:14,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 22:28:14,450 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-22 22:28:14,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-12-22 22:28:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-22 22:28:14,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-12-22 22:28:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-22 22:28:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 96 transitions. [2023-12-22 22:28:14,479 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 96 transitions. Word has length 155 [2023-12-22 22:28:14,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 22:28:14,480 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 96 transitions. [2023-12-22 22:28:14,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-22 22:28:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-12-22 22:28:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-22 22:28:14,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:28:14,482 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:28:14,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-22 22:28:14,691 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 [2023-12-22 22:28:14,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:28:14,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:28:14,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1080171796, now seen corresponding path program 1 times [2023-12-22 22:28:14,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:28:14,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361520088] [2023-12-22 22:28:14,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:28:14,694 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 [2023-12-22 22:28:14,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:28:14,695 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) [2023-12-22 22:28:14,697 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 [2023-12-22 22:28:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:28:15,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-22 22:28:15,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 22:28:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-12-22 22:28:16,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 22:28:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-12-22 22:28:17,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 22:28:17,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361520088] [2023-12-22 22:28:17,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361520088] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 22:28:17,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 22:28:17,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-22 22:28:17,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313858614] [2023-12-22 22:28:17,603 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 22:28:17,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 22:28:17,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 22:28:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 22:28:17,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-22 22:28:17,605 INFO L87 Difference]: Start difference. First operand 63 states and 96 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-22 22:28:24,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:28:28,587 WARN L539 Checker$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 [] [2023-12-22 22:28:32,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:28:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 22:28:32,608 INFO L93 Difference]: Finished difference Result 133 states and 198 transitions. [2023-12-22 22:28:32,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-22 22:28:32,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 155 [2023-12-22 22:28:32,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 22:28:32,902 INFO L225 Difference]: With dead ends: 133 [2023-12-22 22:28:32,902 INFO L226 Difference]: Without dead ends: 71 [2023-12-22 22:28:32,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-12-22 22:28:32,903 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 89 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 95 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-12-22 22:28:32,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 138 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2023-12-22 22:28:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-22 22:28:32,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-12-22 22:28:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-22 22:28:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2023-12-22 22:28:32,914 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 155 [2023-12-22 22:28:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 22:28:32,914 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2023-12-22 22:28:32,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-22 22:28:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2023-12-22 22:28:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-22 22:28:32,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:28:32,916 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:28:32,941 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 [2023-12-22 22:28:33,126 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 [2023-12-22 22:28:33,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:28:33,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:28:33,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1080231378, now seen corresponding path program 1 times [2023-12-22 22:28:33,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:28:33,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030762869] [2023-12-22 22:28:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:28:33,130 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 [2023-12-22 22:28:33,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:28:33,131 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) [2023-12-22 22:28:33,132 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 [2023-12-22 22:28:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:28:34,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-22 22:28:34,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 22:28:51,591 WARN L293 SmtUtils]: Spent 7.40s 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) [2023-12-22 22:28:58,018 WARN L293 SmtUtils]: Spent 6.43s 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) [2023-12-22 22:29:06,190 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:29:12,394 WARN L293 SmtUtils]: Spent 6.20s 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) [2023-12-22 22:29:18,156 WARN L293 SmtUtils]: Spent 5.76s 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) [2023-12-22 22:29:25,942 WARN L293 SmtUtils]: Spent 7.79s 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) [2023-12-22 22:29:33,945 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 22:29:42,115 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:29:50,290 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:29:56,637 WARN L293 SmtUtils]: Spent 6.35s 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) [2023-12-22 22:30:04,807 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:30:12,984 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:30:21,171 WARN L293 SmtUtils]: Spent 8.19s 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) [2023-12-22 22:30:33,347 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-22 22:30:37,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_7~0)) (.cse1 ((_ sign_extend 16) c_~var_1_8~0))) (and (bvsle .cse0 (_ bv16383 32)) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse0 (_ bv4294950913 32)) (bvsle .cse1 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (bvsge .cse1 (_ bv4294950913 32)) (let ((.cse5 (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16))) (.cse6 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 (bvslt .cse0 .cse1))) (or (and (not .cse2) (let ((.cse4 (bvadd .cse1 .cse6))) (let ((.cse3 (bvslt (_ bv4294967288 32) .cse4))) (or (and (not .cse3) (= c_~var_1_1~0 ((_ extract 15 0) .cse4))) (and .cse3 .cse5))))) (and (let ((.cse8 (bvadd .cse0 .cse6))) (let ((.cse7 (bvslt (_ bv4294967288 32) .cse8))) (or (and .cse5 .cse7) (and (not .cse7) (= c_~var_1_1~0 ((_ extract 15 0) .cse8)))))) .cse2))))) is different from false [2023-12-22 22:30:41,451 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_7~0)) (.cse1 ((_ sign_extend 16) c_~var_1_8~0))) (and (bvsle .cse0 (_ bv16383 32)) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse0 (_ bv4294950913 32)) (bvsle .cse1 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (bvsge .cse1 (_ bv4294950913 32)) (let ((.cse5 (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16))) (.cse6 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 (bvslt .cse0 .cse1))) (or (and (not .cse2) (let ((.cse4 (bvadd .cse1 .cse6))) (let ((.cse3 (bvslt (_ bv4294967288 32) .cse4))) (or (and (not .cse3) (= c_~var_1_1~0 ((_ extract 15 0) .cse4))) (and .cse3 .cse5))))) (and (let ((.cse8 (bvadd .cse0 .cse6))) (let ((.cse7 (bvslt (_ bv4294967288 32) .cse8))) (or (and .cse5 .cse7) (and (not .cse7) (= c_~var_1_1~0 ((_ extract 15 0) .cse8)))))) .cse2))))) is different from true [2023-12-22 22:30:49,636 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:30:57,808 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:31:05,992 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:31:14,095 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-22 22:31:20,238 WARN L293 SmtUtils]: Spent 6.14s 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) [2023-12-22 22:31:28,408 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:31:36,582 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:31:44,088 WARN L293 SmtUtils]: Spent 7.51s 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) [2023-12-22 22:31:56,258 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:32:04,439 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:32:10,607 WARN L293 SmtUtils]: Spent 6.17s 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) [2023-12-22 22:32:34,400 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 22:35:05,129 WARN L293 SmtUtils]: Spent 48.72s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-22 22:35:13,318 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:35:21,496 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:35:29,672 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:35:38,121 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:35:45,646 WARN L293 SmtUtils]: Spent 7.52s 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) [2023-12-22 22:35:53,907 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) [2023-12-22 22:36:02,091 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:36:16,915 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:36:25,103 WARN L293 SmtUtils]: Spent 8.19s 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) [2023-12-22 22:36:37,985 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_6~0)) (.cse4 ((_ sign_extend 16) c_~var_1_8~0)) (.cse2 ((_ sign_extend 16) c_~var_1_7~0))) (and (let ((.cse1 (bvadd .cse2 .cse3))) (let ((.cse0 (bvslt (_ bv4294967288 32) .cse1))) (or (and (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) .cse0) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse1)))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd (_ bv4294967040 32) .cse3))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse2 (_ bv4294950913 32)) (bvsle .cse4 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (bvsge .cse4 .cse2))) is different from true [2023-12-22 22:36:44,288 WARN L293 SmtUtils]: Spent 6.29s 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) [2023-12-22 22:36:52,462 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:37:09,361 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:37:15,289 WARN L293 SmtUtils]: Spent 5.93s 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) [2023-12-22 22:37:28,424 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:37:35,042 WARN L293 SmtUtils]: Spent 6.62s 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) [2023-12-22 22:37:43,223 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:37:51,397 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:38:02,941 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-22 22:38:06,993 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_6~0)) (.cse5 ((_ sign_extend 16) c_~var_1_8~0)) (.cse2 ((_ sign_extend 16) c_~var_1_7~0))) (and (let ((.cse1 (bvadd .cse2 .cse3))) (let ((.cse0 (bvslt (_ bv4294967288 32) .cse1))) (or (and (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) .cse0) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse1)))))) (or (let ((.cse4 ((_ zero_extend 24) c_~var_1_12~0))) (and (= c_~var_1_10~0 ((_ extract 7 0) .cse4)) (not (bvslt (_ bv0 32) .cse4)))) (= c_~var_1_10~0 (_ bv0 8))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd (_ bv4294967040 32) .cse3))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse2 (_ bv4294950913 32)) (bvsle .cse5 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (bvsge .cse5 .cse2))) is different from false [2023-12-22 22:38:17,596 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:38:25,756 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-22 22:38:33,925 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:38:44,909 WARN L293 SmtUtils]: Spent 6.81s 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) [2023-12-22 22:38:51,038 WARN L293 SmtUtils]: Spent 6.13s 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) [2023-12-22 22:39:01,441 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:39:09,532 WARN L293 SmtUtils]: Spent 8.09s 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) [2023-12-22 22:39:17,001 WARN L293 SmtUtils]: Spent 7.47s 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) [2023-12-22 22:39:25,177 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:39:31,793 WARN L293 SmtUtils]: Spent 6.61s 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) [2023-12-22 22:39:35,846 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_6~0)) (.cse4 ((_ sign_extend 16) c_~var_1_8~0)) (.cse2 ((_ sign_extend 16) c_~var_1_7~0))) (and (let ((.cse1 (bvadd .cse2 .cse3))) (let ((.cse0 (bvslt (_ bv4294967288 32) .cse1))) (or (and (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) .cse0) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse1)))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd (_ bv4294967040 32) .cse3))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse2 (_ bv4294950913 32)) (bvsle .cse4 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_10~0 (_ bv0 8)) (bvsge .cse4 .cse2))) is different from false [2023-12-22 22:39:45,788 WARN L293 SmtUtils]: Spent 7.15s 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) [2023-12-22 22:39:53,968 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-22 22:40:04,384 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:40:10,499 WARN L293 SmtUtils]: Spent 6.11s 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) [2023-12-22 22:40:18,674 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:40:31,584 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:40:36,618 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 22:40:47,840 WARN L293 SmtUtils]: Spent 5.16s 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) [2023-12-22 22:41:00,430 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_6~0)) (.cse4 ((_ sign_extend 16) c_~var_1_8~0)) (.cse2 ((_ sign_extend 16) c_~var_1_7~0))) (and (let ((.cse1 (bvadd .cse2 .cse3))) (let ((.cse0 (bvslt (_ bv4294967288 32) .cse1))) (or (and (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) .cse0) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse1)))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd (_ bv4294967040 32) .cse3))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (bvsge .cse2 (_ bv4294950913 32)) (not (= (_ bv0 8) c_~var_1_11~0)) (bvsle .cse4 (_ bv16383 32)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_18~0 c_~var_1_6~0) (= c_~var_1_10~0 (_ bv0 8)) (bvsge .cse4 .cse2))) is different from true [2023-12-22 22:41:08,600 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-22 22:41:17,455 WARN L293 SmtUtils]: Spent 7.60s 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) [2023-12-22 22:41:24,938 WARN L293 SmtUtils]: Spent 7.48s 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) [2023-12-22 22:41:33,103 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-22 22:41:41,083 WARN L293 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 22:41:49,245 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-22 22:41:56,041 WARN L293 SmtUtils]: Spent 6.79s 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) [2023-12-22 22:42:03,580 WARN L293 SmtUtils]: Spent 7.54s 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) [2023-12-22 22:42:19,028 WARN L293 SmtUtils]: Spent 6.13s 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) [2023-12-22 22:42:27,227 WARN L293 SmtUtils]: Spent 8.18s 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... [2023-12-22 22:42:32,897 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 [2023-12-22 22:42:32,900 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 [2023-12-22 22:42:33,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-22 22:42:34,108 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 [2023-12-22 22:42:34,148 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 [2023-12-22 22:42:34,151 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 22:42:34,151 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 156 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-22 22:42:34,154 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-22 22:42:34,155 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 22:42:34,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 10:42:34 BoogieIcfgContainer [2023-12-22 22:42:34,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 22:42:34,159 INFO L158 Benchmark]: Toolchain (without parser) took 889407.64ms. Allocated memory is still 250.6MB. Free memory was 207.8MB in the beginning and 155.7MB in the end (delta: 52.1MB). Peak memory consumption was 53.1MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,160 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 22:42:34,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.58ms. Allocated memory is still 250.6MB. Free memory was 207.8MB in the beginning and 192.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.68ms. Allocated memory is still 250.6MB. Free memory was 192.6MB in the beginning and 190.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,161 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 250.6MB. Free memory was 190.5MB in the beginning and 186.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,161 INFO L158 Benchmark]: RCFGBuilder took 22994.03ms. Allocated memory is still 250.6MB. Free memory was 186.8MB in the beginning and 164.3MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,161 INFO L158 Benchmark]: TraceAbstraction took 866064.09ms. Allocated memory is still 250.6MB. Free memory was 163.8MB in the beginning and 155.7MB in the end (delta: 8.0MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2023-12-22 22:42:34,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.58ms. Allocated memory is still 250.6MB. Free memory was 207.8MB in the beginning and 192.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.68ms. Allocated memory is still 250.6MB. Free memory was 192.6MB in the beginning and 190.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 250.6MB. Free memory was 190.5MB in the beginning and 186.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 22994.03ms. Allocated memory is still 250.6MB. Free memory was 186.8MB in the beginning and 164.3MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 866064.09ms. Allocated memory is still 250.6MB. Free memory was 163.8MB in the beginning and 155.7MB in the end (delta: 8.0MB). Peak memory consumption was 9.1MB. 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 156 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.0s, OverallIterations: 3, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 157 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 456 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 310 NumberOfCodeBlocks, 310 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 12 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3588/3600 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