/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:01:46,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:01:46,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:01:46,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:01:46,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:01:46,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:01:46,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:01:46,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:01:46,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:01:46,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:01:46,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:01:46,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:01:46,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:01:46,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:01:46,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:01:46,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:01:46,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:01:46,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:01:46,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:01:46,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:01:46,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:01:46,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:01:46,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:01:46,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:01:46,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 12:01:46,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:01:46,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:01:46,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:01:46,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:01:46,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:01:46,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:01:46,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:01:46,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:01:46,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:01:46,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:01:46,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:01:46,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:01:46,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:01:46,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:01:46,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:01:46,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:01:46,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:01:46,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:01:46,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:01:46,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:01:46,217 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:01:46,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:01:46,217 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:01:46,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:01:46,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:01:46,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:01:46,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:01:46,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:01:46,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:01:46,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:01:46,220 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:01:46,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:01:46,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:01:46,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:01:46,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:01:46,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:01:46,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:01:46,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:01:46,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:01:46,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:01:46,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:01:46,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:01:46,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:01:46,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:01:46,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:01:46,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:01:46,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:01:46,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:01:46,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:01:46,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:01:46,669 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:01:46,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-10-16 12:01:46,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bc28d58/3653b367f8e6449a8cb458db65dee28e/FLAGb47deee3f [2022-10-16 12:01:47,423 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:01:47,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c [2022-10-16 12:01:47,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bc28d58/3653b367f8e6449a8cb458db65dee28e/FLAGb47deee3f [2022-10-16 12:01:47,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bc28d58/3653b367f8e6449a8cb458db65dee28e [2022-10-16 12:01:47,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:01:47,749 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:01:47,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:01:47,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:01:47,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:01:47,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:01:47" (1/1) ... [2022-10-16 12:01:47,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddb79cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:47, skipping insertion in model container [2022-10-16 12:01:47,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:01:47" (1/1) ... [2022-10-16 12:01:47,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:01:47,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:01:48,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-10-16 12:01:48,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:01:48,125 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:01:48,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092c.c[2414,2427] [2022-10-16 12:01:48,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:01:48,224 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:01:48,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48 WrapperNode [2022-10-16 12:01:48,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:01:48,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:01:48,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:01:48,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:01:48,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,326 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 143 [2022-10-16 12:01:48,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:01:48,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:01:48,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:01:48,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:01:48,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:01:48,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:01:48,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:01:48,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:01:48,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (1/1) ... [2022-10-16 12:01:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:01:48,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:01:48,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:01:48,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:01:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:01:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:01:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:01:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:01:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:01:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:01:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:01:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:01:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:01:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:01:48,694 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:01:48,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:01:49,477 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:01:49,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:01:49,490 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-16 12:01:49,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:01:49 BoogieIcfgContainer [2022-10-16 12:01:49,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:01:49,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:01:49,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:01:49,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:01:49,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:01:47" (1/3) ... [2022-10-16 12:01:49,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d59e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:01:49, skipping insertion in model container [2022-10-16 12:01:49,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:48" (2/3) ... [2022-10-16 12:01:49,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d59e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:01:49, skipping insertion in model container [2022-10-16 12:01:49,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:01:49" (3/3) ... [2022-10-16 12:01:49,508 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092c.c [2022-10-16 12:01:49,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:01:49,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-10-16 12:01:49,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:01:49,599 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@40a60879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:01:49,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-10-16 12:01:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 57 states have (on average 1.8070175438596492) internal successors, (103), 81 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:01:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 12:01:49,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:01:49,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 12:01:49,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:01:49,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:01:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 925861, now seen corresponding path program 1 times [2022-10-16 12:01:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:01:49,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286293962] [2022-10-16 12:01:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:01:49,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:01:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:01:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:01:49,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:01:49,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286293962] [2022-10-16 12:01:49,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286293962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:01:49,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:01:49,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:01:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892498791] [2022-10-16 12:01:49,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:01:49,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:01:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:01:49,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:01:49,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:01:49,868 INFO L87 Difference]: Start difference. First operand has 82 states, 57 states have (on average 1.8070175438596492) internal successors, (103), 81 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:01:49,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:01:49,896 INFO L93 Difference]: Finished difference Result 160 states and 204 transitions. [2022-10-16 12:01:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:01:49,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 12:01:49,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:01:49,912 INFO L225 Difference]: With dead ends: 160 [2022-10-16 12:01:49,912 INFO L226 Difference]: Without dead ends: 73 [2022-10-16 12:01:49,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:01:49,922 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:01:49,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:01:49,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-10-16 12:01:49,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-10-16 12:01:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.7058823529411764) internal successors, (87), 72 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:01:49,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2022-10-16 12:01:49,975 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 4 [2022-10-16 12:01:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:01:49,976 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2022-10-16 12:01:49,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:01:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2022-10-16 12:01:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 12:01:49,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:01:49,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 12:01:49,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:01:49,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 12:01:49,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:01:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash 28694824, now seen corresponding path program 1 times [2022-10-16 12:01:49,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:01:49,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042353682] [2022-10-16 12:01:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:01:49,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:01:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:01:50,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:01:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:01:50,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:01:50,108 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:01:50,110 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2022-10-16 12:01:50,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2022-10-16 12:01:50,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2022-10-16 12:01:50,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2022-10-16 12:01:50,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2022-10-16 12:01:50,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2022-10-16 12:01:50,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2022-10-16 12:01:50,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2022-10-16 12:01:50,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2022-10-16 12:01:50,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2022-10-16 12:01:50,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2022-10-16 12:01:50,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2022-10-16 12:01:50,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2022-10-16 12:01:50,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2022-10-16 12:01:50,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2022-10-16 12:01:50,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2022-10-16 12:01:50,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2022-10-16 12:01:50,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2022-10-16 12:01:50,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2022-10-16 12:01:50,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2022-10-16 12:01:50,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2022-10-16 12:01:50,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2022-10-16 12:01:50,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2022-10-16 12:01:50,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2022-10-16 12:01:50,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:01:50,143 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-16 12:01:50,148 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:01:50,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:01:50 BoogieIcfgContainer [2022-10-16 12:01:50,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:01:50,190 INFO L158 Benchmark]: Toolchain (without parser) took 2444.13ms. Allocated memory is still 158.3MB. Free memory was 132.0MB in the beginning and 89.3MB in the end (delta: 42.8MB). Peak memory consumption was 43.6MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,192 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 158.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:01:50,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.10ms. Allocated memory is still 158.3MB. Free memory was 131.9MB in the beginning and 120.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.50ms. Allocated memory is still 158.3MB. Free memory was 120.8MB in the beginning and 116.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,202 INFO L158 Benchmark]: Boogie Preprocessor took 108.83ms. Allocated memory is still 158.3MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,202 INFO L158 Benchmark]: RCFGBuilder took 1055.19ms. Allocated memory is still 158.3MB. Free memory was 113.2MB in the beginning and 118.1MB in the end (delta: -4.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,203 INFO L158 Benchmark]: TraceAbstraction took 692.62ms. Allocated memory is still 158.3MB. Free memory was 117.6MB in the beginning and 89.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-10-16 12:01:50,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 158.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 472.10ms. Allocated memory is still 158.3MB. Free memory was 131.9MB in the beginning and 120.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 101.50ms. Allocated memory is still 158.3MB. Free memory was 120.8MB in the beginning and 116.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.83ms. Allocated memory is still 158.3MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1055.19ms. Allocated memory is still 158.3MB. Free memory was 113.2MB in the beginning and 118.1MB in the end (delta: -4.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * TraceAbstraction took 692.62ms. Allocated memory is still 158.3MB. Free memory was 117.6MB in the beginning and 89.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. 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 - UnprovableResult [Line: 27]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 105, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L16] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] double x = 1.0 / 0.0; [L106] CALL ceil_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048576, i1=-2, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008] - UnprovableResult [Line: 27]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 94 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: unable to determine feasibility of some traces [2022-10-16 12:01:50,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...