./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf1168110983bcf9fdc75fe12a6575329d72d984 .................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf1168110983bcf9fdc75fe12a6575329d72d984 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 16:02:58,149 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:02:58,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:02:58,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:02:58,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:02:58,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:02:58,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:02:58,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:02:58,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:02:58,170 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:02:58,171 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:02:58,171 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:02:58,172 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:02:58,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:02:58,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:02:58,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:02:58,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:02:58,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:02:58,180 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:02:58,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:02:58,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:02:58,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:02:58,187 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:02:58,187 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:02:58,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:02:58,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:02:58,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:02:58,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:02:58,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:02:58,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:02:58,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:02:58,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:02:58,194 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:02:58,194 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:02:58,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:02:58,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:02:58,197 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 16:02:58,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:02:58,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:02:58,230 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:02:58,230 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:02:58,231 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:02:58,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:02:58,235 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:02:58,236 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:02:58,237 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:02:58,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:02:58,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:02:58,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:02:58,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:02:58,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:02:58,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:02:58,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:02:58,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:58,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:02:58,239 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:02:58,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:02:58,239 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 16:02:58,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:02:58,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 16:02:58,243 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-12-30 16:02:58,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:02:58,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:02:58,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:02:58,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:02:58,319 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:02:58,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:02:58,385 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c347ec3/0d87fd2563d14fcc9dc4dbd65d9e19d2/FLAG6ef7d36e2 [2018-12-30 16:02:58,799 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:02:58,799 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:02:58,805 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c347ec3/0d87fd2563d14fcc9dc4dbd65d9e19d2/FLAG6ef7d36e2 [2018-12-30 16:02:59,178 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c347ec3/0d87fd2563d14fcc9dc4dbd65d9e19d2 [2018-12-30 16:02:59,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:02:59,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:02:59,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:59,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:02:59,199 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:02:59,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd3e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59, skipping insertion in model container [2018-12-30 16:02:59,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:02:59,233 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:02:59,469 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:59,476 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:02:59,496 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:59,513 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:02:59,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59 WrapperNode [2018-12-30 16:02:59,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:59,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:59,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:02:59,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:02:59,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:59,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:02:59,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:02:59,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:02:59,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... [2018-12-30 16:02:59,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:02:59,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:02:59,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:02:59,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:02:59,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:02:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:02:59,853 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:02:59,854 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:02:59,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:59 BoogieIcfgContainer [2018-12-30 16:02:59,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:02:59,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:02:59,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:02:59,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:02:59,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:02:59" (1/3) ... [2018-12-30 16:02:59,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deec80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:59, skipping insertion in model container [2018-12-30 16:02:59,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:59" (2/3) ... [2018-12-30 16:02:59,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deec80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:59, skipping insertion in model container [2018-12-30 16:02:59,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:59" (3/3) ... [2018-12-30 16:02:59,863 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:02:59,874 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:02:59,881 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:02:59,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:02:59,933 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:02:59,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:02:59,934 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:02:59,934 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:02:59,934 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:02:59,934 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:02:59,934 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:02:59,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:02:59,935 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:02:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:02:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:02:59,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:02:59,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:02:59,960 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:02:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:02:59,966 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:02:59,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 16:02:59,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 16:03:00,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:03:00,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:03:00,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:03:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:03:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:03:00,087 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-30 16:03:00,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:03:00 BoogieIcfgContainer [2018-12-30 16:03:00,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:03:00,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:03:00,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:03:00,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:03:00,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:59" (3/4) ... [2018-12-30 16:03:00,112 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-30 16:03:00,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:03:00,113 INFO L168 Benchmark]: Toolchain (without parser) took 927.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:00,115 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:00,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.48 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:00,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.97 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:00,118 INFO L168 Benchmark]: Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:00,121 INFO L168 Benchmark]: RCFGBuilder took 275.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:00,122 INFO L168 Benchmark]: TraceAbstraction took 250.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:00,123 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:00,132 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.48 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.97 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.35 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 275.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 != 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-30 16:03:02,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:03:02,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:03:02,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:03:02,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:03:02,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:03:02,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:03:02,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:03:02,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:03:02,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:03:02,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:03:02,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:03:02,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:03:02,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:03:02,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:03:02,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:03:02,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:03:02,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:03:02,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:03:02,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:03:02,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:03:02,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:03:02,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:03:02,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:03:02,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:03:02,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:03:02,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:03:02,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:03:02,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:03:02,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:03:02,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:03:02,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:03:02,537 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:03:02,537 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:03:02,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:03:02,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:03:02,540 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-30 16:03:02,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:03:02,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:03:02,560 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:03:02,560 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:03:02,560 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:03:02,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:03:02,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:03:02,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-30 16:03:02,562 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-30 16:03:02,563 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:03:02,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:03:02,563 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:03:02,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:03:02,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:03:02,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:03:02,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:03:02,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:03:02,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:03:02,566 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:03:02,566 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:03:02,566 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:03:02,566 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-30 16:03:02,566 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:03:02,566 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-30 16:03:02,567 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-30 16:03:02,568 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-12-30 16:03:02,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:03:02,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:03:02,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:03:02,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:03:02,625 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:03:02,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:03:02,702 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/795e45218/3b5f48b9e790429b926631b662e4dc44/FLAGd2bc0b038 [2018-12-30 16:03:03,154 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:03:03,155 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:03:03,160 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/795e45218/3b5f48b9e790429b926631b662e4dc44/FLAGd2bc0b038 [2018-12-30 16:03:03,522 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/795e45218/3b5f48b9e790429b926631b662e4dc44 [2018-12-30 16:03:03,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:03:03,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:03:03,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:03:03,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:03:03,538 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:03:03,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616d4d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03, skipping insertion in model container [2018-12-30 16:03:03,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:03:03,574 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:03:03,770 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:03:03,778 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:03:03,798 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:03:03,816 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:03:03,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03 WrapperNode [2018-12-30 16:03:03,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:03:03,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:03:03,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:03:03,818 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:03:03,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:03:03,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:03:03,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:03:03,860 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:03:03,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... [2018-12-30 16:03:03,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:03:03,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:03:03,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:03:03,886 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:03:03,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:03:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:03:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:03:04,165 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:03:04,165 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:03:04,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:03:04 BoogieIcfgContainer [2018-12-30 16:03:04,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:03:04,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:03:04,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:03:04,172 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:03:04,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:03:03" (1/3) ... [2018-12-30 16:03:04,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6432a170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:03:04, skipping insertion in model container [2018-12-30 16:03:04,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:03:03" (2/3) ... [2018-12-30 16:03:04,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6432a170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:03:04, skipping insertion in model container [2018-12-30 16:03:04,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:03:04" (3/3) ... [2018-12-30 16:03:04,177 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-30 16:03:04,187 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:03:04,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:03:04,210 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:03:04,242 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:03:04,243 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:03:04,243 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:03:04,243 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:03:04,243 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:03:04,243 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:03:04,244 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:03:04,244 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:03:04,244 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:03:04,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:03:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:03:04,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:03:04,267 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:03:04,270 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:03:04,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:03:04,277 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:03:04,281 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-30 16:03:04,282 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-30 16:03:04,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:03:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-30 16:03:04,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-30 16:03:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-30 16:03:04,385 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-30 16:03:04,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-30 16:03:04,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-30 16:03:04,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-30 16:03:04,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-30 16:03:04,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-30 16:03:04,409 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-12-30 16:03:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-30 16:03:04,428 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2018-12-30 16:03:04,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-30 16:03:04,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-12-30 16:03:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-30 16:03:04,437 INFO L225 Difference]: With dead ends: 10 [2018-12-30 16:03:04,437 INFO L226 Difference]: Without dead ends: 0 [2018-12-30 16:03:04,441 INFO L631 BasicCegarLoop]: 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 [2018-12-30 16:03:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-30 16:03:04,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-30 16:03:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-30 16:03:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-30 16:03:04,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-12-30 16:03:04,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-30 16:03:04,466 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-30 16:03:04,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-30 16:03:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-30 16:03:04,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-30 16:03:04,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-30 16:03:04,584 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-30 16:03:04,584 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-30 16:03:04,584 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-30 16:03:04,585 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-12-30 16:03:04,586 INFO L444 ceAbstractionStarter]: At program point L13(lines 3 14) the Hoare annotation is: (= (bvadd ULTIMATE.start_main_~result_8~0 (_ bv6 8)) (_ bv0 8)) [2018-12-30 16:03:04,586 INFO L444 ceAbstractionStarter]: At program point L8(lines 3 14) the Hoare annotation is: false [2018-12-30 16:03:04,586 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2018-12-30 16:03:04,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:03:04 BoogieIcfgContainer [2018-12-30 16:03:04,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:03:04,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:03:04,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:03:04,606 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:03:04,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:03:04" (3/4) ... [2018-12-30 16:03:04,611 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-30 16:03:04,625 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-30 16:03:04,625 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-30 16:03:04,682 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 16:03:04,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:03:04,684 INFO L168 Benchmark]: Toolchain (without parser) took 1156.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:04,686 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:04,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:04,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:04,691 INFO L168 Benchmark]: Boogie Preprocessor took 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:03:04,695 INFO L168 Benchmark]: RCFGBuilder took 280.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:04,700 INFO L168 Benchmark]: TraceAbstraction took 437.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:04,701 INFO L168 Benchmark]: Witness Printer took 77.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-30 16:03:04,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.99 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.17 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 280.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 437.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(result_8, 6bv8) == 0bv8 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...