/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_1072c.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:01:39,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:01:39,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:01:39,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:01:39,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:01:39,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:01:39,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:01:39,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:01:39,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:01:39,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:01:39,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:01:39,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:01:39,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:01:39,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:01:39,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:01:39,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:01:39,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:01:39,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:01:39,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:01:39,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:01:39,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:01:39,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:01:39,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:01:39,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:01:39,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 12:01:39,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:01:39,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:01:39,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:01:39,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:01:39,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:01:39,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:01:39,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:01:39,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:01:39,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:01:39,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:01:39,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:01:39,474 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 12:01:39,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:01:39,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:01:39,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:01:39,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:01:39,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:01:39,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:01:39,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:01:39,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:01:39,508 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:01:39,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:01:39,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:01:39,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:01:39,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:01:39,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:01:39,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:01:39,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:01:39,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:01:39,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:01:39,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:01:39,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:01:39,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:01:39,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:01:39,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:01:39,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:01:39,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:01:39,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:01:39,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:01:39,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:01:39,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:01:39,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:01:39,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:01:39,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:01:39,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:01:39,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:01:39,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:01:39,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:01:39,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:01:39,969 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:01:39,969 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:01:39,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-10-16 12:01:40,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9690af3a3/8a1f9751287e44738adbf1527cb77dd4/FLAGd16c51e8f [2022-10-16 12:01:40,756 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:01:40,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-10-16 12:01:40,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9690af3a3/8a1f9751287e44738adbf1527cb77dd4/FLAGd16c51e8f [2022-10-16 12:01:41,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9690af3a3/8a1f9751287e44738adbf1527cb77dd4 [2022-10-16 12:01:41,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:01:41,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:01:41,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:01:41,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:01:41,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:01:41,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ef019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41, skipping insertion in model container [2022-10-16 12:01:41,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:01:41,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:01:41,369 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_1072c.c[2112,2125] [2022-10-16 12:01:41,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:01:41,380 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:01:41,412 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_1072c.c[2112,2125] [2022-10-16 12:01:41,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:01:41,430 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:01:41,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41 WrapperNode [2022-10-16 12:01:41,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:01:41,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:01:41,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:01:41,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:01:41,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,499 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2022-10-16 12:01:41,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:01:41,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:01:41,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:01:41,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:01:41,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:01:41,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:01:41,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:01:41,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:01:41,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (1/1) ... [2022-10-16 12:01:41,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:01:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:01:41,611 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 12:01:41,635 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 12:01:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:01:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:01:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:01:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:01:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:01:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:01:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:01:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:01:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:01:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:01:41,864 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:01:41,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:01:42,422 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:01:42,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:01:42,441 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-10-16 12:01:42,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:01:42 BoogieIcfgContainer [2022-10-16 12:01:42,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:01:42,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:01:42,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:01:42,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:01:42,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:01:41" (1/3) ... [2022-10-16 12:01:42,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddaffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:01:42, skipping insertion in model container [2022-10-16 12:01:42,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:01:41" (2/3) ... [2022-10-16 12:01:42,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddaffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:01:42, skipping insertion in model container [2022-10-16 12:01:42,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:01:42" (3/3) ... [2022-10-16 12:01:42,461 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2022-10-16 12:01:42,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:01:42,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 12:01:42,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:01:42,614 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;@7a480d33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:01:42,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 12:01:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 32 states have (on average 1.75) internal successors, (56), 36 states have internal predecessors, (56), 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 12:01:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 12:01:42,635 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:01:42,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 12:01:42,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 12:01:42,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:01:42,647 INFO L85 PathProgramCache]: Analyzing trace with hash 28701789, now seen corresponding path program 1 times [2022-10-16 12:01:42,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:01:42,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706503164] [2022-10-16 12:01:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:01:42,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:01:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:01:42,863 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 12:01:42,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:01:42,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706503164] [2022-10-16 12:01:42,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706503164] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:01:42,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:01:42,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:01:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921974057] [2022-10-16 12:01:42,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:01:42,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:01:42,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:01:42,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:01:42,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:01:42,931 INFO L87 Difference]: Start difference. First operand has 37 states, 32 states have (on average 1.75) internal successors, (56), 36 states have internal predecessors, (56), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 12:01:42,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:01:42,965 INFO L93 Difference]: Finished difference Result 72 states and 110 transitions. [2022-10-16 12:01:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:01:42,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-10-16 12:01:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:01:42,980 INFO L225 Difference]: With dead ends: 72 [2022-10-16 12:01:42,980 INFO L226 Difference]: Without dead ends: 19 [2022-10-16 12:01:42,985 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 12:01:42,992 INFO L413 NwaCegarLoop]: 43 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, 43 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 12:01:42,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:01:43,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-10-16 12:01:43,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-10-16 12:01:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 18 states have internal predecessors, (20), 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 12:01:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-10-16 12:01:43,043 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 5 [2022-10-16 12:01:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:01:43,044 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-10-16 12:01:43,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 12:01:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-10-16 12:01:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 12:01:43,046 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:01:43,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 12:01:43,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:01:43,048 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 12:01:43,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:01:43,049 INFO L85 PathProgramCache]: Analyzing trace with hash 889539642, now seen corresponding path program 1 times [2022-10-16 12:01:43,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:01:43,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969250686] [2022-10-16 12:01:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:01:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:01:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:01:43,206 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 12:01:43,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:01:43,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969250686] [2022-10-16 12:01:43,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969250686] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:01:43,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:01:43,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:01:43,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784750101] [2022-10-16 12:01:43,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:01:43,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:01:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:01:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:01:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:01:43,211 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:01:43,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:01:43,249 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-10-16 12:01:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:01:43,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-10-16 12:01:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:01:43,251 INFO L225 Difference]: With dead ends: 30 [2022-10-16 12:01:43,252 INFO L226 Difference]: Without dead ends: 28 [2022-10-16 12:01:43,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:01:43,254 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:01:43,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:01:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-10-16 12:01:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2022-10-16 12:01:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 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 12:01:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-10-16 12:01:43,262 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 6 [2022-10-16 12:01:43,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:01:43,262 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-10-16 12:01:43,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:01:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-10-16 12:01:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 12:01:43,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:01:43,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:01:43,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:01:43,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 12:01:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:01:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash 328776949, now seen corresponding path program 1 times [2022-10-16 12:01:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:01:43,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097952668] [2022-10-16 12:01:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:01:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:01:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:01:43,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:01:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:01:43,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:01:43,355 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:01:43,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-16 12:01:43,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-16 12:01:43,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-16 12:01:43,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-16 12:01:43,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:01:43,366 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 12:01:43,371 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:01:43,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:01:43 BoogieIcfgContainer [2022-10-16 12:01:43,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:01:43,401 INFO L158 Benchmark]: Toolchain (without parser) took 2275.78ms. Allocated memory is still 151.0MB. Free memory was 124.9MB in the beginning and 86.6MB in the end (delta: 38.4MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,402 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:01:43,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.78ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 114.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.66ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 111.1MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,404 INFO L158 Benchmark]: Boogie Preprocessor took 53.10ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 108.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,405 INFO L158 Benchmark]: RCFGBuilder took 890.56ms. Allocated memory is still 151.0MB. Free memory was 108.8MB in the beginning and 122.2MB in the end (delta: -13.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,405 INFO L158 Benchmark]: TraceAbstraction took 949.80ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 86.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-10-16 12:01:43,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 295.78ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 114.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.66ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 111.1MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.10ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 108.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 890.56ms. Allocated memory is still 151.0MB. Free memory was 108.8MB in the beginning and 122.2MB in the end (delta: -13.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 949.80ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 86.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. 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: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L83] double x = -0.0; [L84] CALL trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=2251800886378505, x=2251800886378505] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 VAL [\old(x)=2251800886378505, lsw=1072693249, msw=6, signbit=5, signbit = msw & 0x80000000=6, x=2251800886378505] [L31] ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=2251800886378505, lsw=1072693249, msw=6, signbit=5, signbit = msw & 0x80000000=6, x=2251800886378505] - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: 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, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 60 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 12:01:43,460 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...