./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Binary_Search-1.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/Binary_Search-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6505425cd1e45c6064dedf1716947351546cb8586f72c511ad2fbd9080ad212 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:02:18,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:02:18,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:02:18,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:02:18,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:02:18,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:02:18,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:02:18,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:02:18,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:02:18,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:02:18,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:02:18,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:02:18,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:02:18,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:02:18,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:02:18,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:02:18,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:02:18,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:02:18,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:02:18,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:02:18,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:02:18,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:02:18,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:02:18,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:02:18,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:02:18,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:02:18,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:02:18,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:02:18,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:02:18,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:02:18,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:02:18,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:02:18,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:02:18,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:02:18,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:02:18,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:02:18,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:02:18,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:02:18,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:02:18,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:02:18,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:02:18,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-02-21 03:02:18,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:02:18,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:02:18,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:02:18,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:02:18,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 03:02:18,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 03:02:18,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:02:18,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:02:18,129 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:02:18,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:02:18,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:02:18,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:02:18,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:02:18,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:02:18,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-21 03:02:18,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:02:18,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:02:18,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 03:02:18,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:02:18,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:02:18,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 03:02:18,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-21 03:02:18,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:02:18,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-21 03:02:18,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-21 03:02:18,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6505425cd1e45c6064dedf1716947351546cb8586f72c511ad2fbd9080ad212 [2022-02-21 03:02:18,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:02:18,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:02:18,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:02:18,392 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:02:18,394 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:02:18,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Binary_Search-1.c [2022-02-21 03:02:18,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21db4bc9e/479d3ab8d31a46eea185b52901557e28/FLAG1cfba62c2 [2022-02-21 03:02:18,780 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:02:18,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Binary_Search-1.c [2022-02-21 03:02:18,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21db4bc9e/479d3ab8d31a46eea185b52901557e28/FLAG1cfba62c2 [2022-02-21 03:02:19,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21db4bc9e/479d3ab8d31a46eea185b52901557e28 [2022-02-21 03:02:19,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:02:19,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:02:19,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:02:19,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:02:19,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:02:19,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383c1838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19, skipping insertion in model container [2022-02-21 03:02:19,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:02:19,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:02:19,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:02:19,375 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:02:19,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:02:19,408 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:02:19,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19 WrapperNode [2022-02-21 03:02:19,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:02:19,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:02:19,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:02:19,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:02:19,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,430 INFO L137 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-02-21 03:02:19,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:02:19,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:02:19,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:02:19,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:02:19,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:02:19,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:02:19,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:02:19,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:02:19,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (1/1) ... [2022-02-21 03:02:19,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 03:02:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:02:19,485 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) [2022-02-21 03:02:19,506 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 [2022-02-21 03:02:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2022-02-21 03:02:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bsearch [2022-02-21 03:02:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:02:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:02:19,565 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:02:19,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:02:19,749 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:02:19,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:02:19,754 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-21 03:02:19,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:02:19 BoogieIcfgContainer [2022-02-21 03:02:19,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:02:19,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-21 03:02:19,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-21 03:02:19,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-21 03:02:19,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:02:19" (1/3) ... [2022-02-21 03:02:19,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d529e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:02:19, skipping insertion in model container [2022-02-21 03:02:19,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:02:19" (2/3) ... [2022-02-21 03:02:19,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d529e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:02:19, skipping insertion in model container [2022-02-21 03:02:19,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:02:19" (3/3) ... [2022-02-21 03:02:19,766 INFO L111 eAbstractionObserver]: Analyzing ICFG Binary_Search-1.c [2022-02-21 03:02:19,769 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-21 03:02:19,770 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-21 03:02:19,814 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-21 03:02:19,818 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-21 03:02:19,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-21 03:02:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-21 03:02:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-21 03:02:19,851 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 03:02:19,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:02:19,853 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bsearchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bsearchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-02-21 03:02:19,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:02:19,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1658852382, now seen corresponding path program 1 times [2022-02-21 03:02:19,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:02:19,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178578503] [2022-02-21 03:02:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:02:19,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:02:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:02:19,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:02:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:02:20,000 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:02:20,001 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-21 03:02:20,002 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-02-21 03:02:20,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-02-21 03:02:20,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-02-21 03:02:20,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-02-21 03:02:20,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-02-21 03:02:20,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-02-21 03:02:20,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-21 03:02:20,010 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-21 03:02:20,014 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-21 03:02:20,022 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call #t~ret5 := bsearch(~x~0, ~y~0); [2022-02-21 03:02:20,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: callstack broken after backtranslation by InlinerBacktranslator at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:607) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-21 03:02:20,030 INFO L158 Benchmark]: Toolchain (without parser) took 800.87ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 58.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:02:20,031 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:20,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.13ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 86.3MB in the end (delta: -17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:02:20,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.44ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 85.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:20,033 INFO L158 Benchmark]: Boogie Preprocessor took 19.29ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.0MB in the end (delta: 754.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:02:20,035 INFO L158 Benchmark]: RCFGBuilder took 304.45ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 71.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:02:20,038 INFO L158 Benchmark]: TraceAbstraction took 271.39ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 58.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 03:02:20,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.13ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 86.3MB in the end (delta: -17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.44ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 85.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.29ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.0MB in the end (delta: 754.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.45ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 71.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 271.39ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 58.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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 - ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: callstack broken after backtranslation by InlinerBacktranslator: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-21 03:02:20,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator