./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_false-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 0ff63897979b5dc3504f5d670d2783900c29ce57 .................................................................................................................................................................................................................... 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_false-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 0ff63897979b5dc3504f5d670d2783900c29ce57 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-11 21:17:29,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 21:17:29,862 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 21:17:29,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 21:17:29,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 21:17:29,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 21:17:29,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 21:17:29,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 21:17:29,881 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 21:17:29,882 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 21:17:29,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-11 21:17:29,883 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-11 21:17:29,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-11 21:17:29,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-11 21:17:29,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-11 21:17:29,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-11 21:17:29,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-11 21:17:29,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-11 21:17:29,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-11 21:17:29,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-11 21:17:29,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-11 21:17:29,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-11 21:17:29,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-11 21:17:29,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-11 21:17:29,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-11 21:17:29,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-11 21:17:29,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-11 21:17:29,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-11 21:17:29,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-11 21:17:29,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-11 21:17:29,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-11 21:17:29,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-11 21:17:29,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-11 21:17:29,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-11 21:17:29,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-11 21:17:29,911 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-11 21:17:29,911 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-11 21:17:29,930 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 21:17:29,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 21:17:29,932 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 21:17:29,932 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 21:17:29,932 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 21:17:29,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 21:17:29,932 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 21:17:29,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-11 21:17:29,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 21:17:29,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 21:17:29,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 21:17:29,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 21:17:29,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 21:17:29,935 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 21:17:29,936 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 21:17:29,936 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-11 21:17:29,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 21:17:29,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 21:17:29,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 21:17:29,937 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-11 21:17:29,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 21:17:29,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-11 21:17:29,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 21:17:29,938 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 21:17:29,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 21:17:29,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-11 21:17:29,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 21:17:29,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-11 21:17:29,941 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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-01-11 21:17:30,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 21:17:30,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 21:17:30,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 21:17:30,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-11 21:17:30,028 INFO L276 PluginConnector]: CDTParser initialized [2019-01-11 21:17:30,029 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:30,083 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7bc1279/2cdd6869cc584f758813c67e53c048a3/FLAG022a44de0 [2019-01-11 21:17:30,532 INFO L307 CDTParser]: Found 1 translation units. [2019-01-11 21:17:30,533 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:30,540 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7bc1279/2cdd6869cc584f758813c67e53c048a3/FLAG022a44de0 [2019-01-11 21:17:30,891 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7bc1279/2cdd6869cc584f758813c67e53c048a3 [2019-01-11 21:17:30,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 21:17:30,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-11 21:17:30,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-11 21:17:30,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-11 21:17:30,903 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-11 21:17:30,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:17:30" (1/1) ... [2019-01-11 21:17:30,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17252cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:30, skipping insertion in model container [2019-01-11 21:17:30,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:17:30" (1/1) ... [2019-01-11 21:17:30,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-11 21:17:30,938 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-11 21:17:31,134 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:17:31,140 INFO L191 MainTranslator]: Completed pre-run [2019-01-11 21:17:31,158 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:17:31,175 INFO L195 MainTranslator]: Completed translation [2019-01-11 21:17:31,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31 WrapperNode [2019-01-11 21:17:31,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-11 21:17:31,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 21:17:31,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 21:17:31,177 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 21:17:31,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 21:17:31,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 21:17:31,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 21:17:31,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 21:17:31,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (1/1) ... [2019-01-11 21:17:31,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 21:17:31,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 21:17:31,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 21:17:31,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 21:17:31,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (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 [2019-01-11 21:17:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-11 21:17:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-11 21:17:31,546 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-11 21:17:31,546 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-11 21:17:31,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:31 BoogieIcfgContainer [2019-01-11 21:17:31,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 21:17:31,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-11 21:17:31,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-11 21:17:31,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-11 21:17:31,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 09:17:30" (1/3) ... [2019-01-11 21:17:31,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a85701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:17:31, skipping insertion in model container [2019-01-11 21:17:31,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:31" (2/3) ... [2019-01-11 21:17:31,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a85701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:17:31, skipping insertion in model container [2019-01-11 21:17:31,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:31" (3/3) ... [2019-01-11 21:17:31,556 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:31,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-11 21:17:31,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-11 21:17:31,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-11 21:17:31,623 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-11 21:17:31,624 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-11 21:17:31,624 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-11 21:17:31,624 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-11 21:17:31,625 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-11 21:17:31,625 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-11 21:17:31,625 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-11 21:17:31,625 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-11 21:17:31,625 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-11 21:17:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-11 21:17:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-11 21:17:31,646 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 21:17:31,647 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-11 21:17:31,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-11 21:17:31,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 21:17:31,656 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-01-11 21:17:31,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-11 21:17:31,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-11 21:17:31,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:17:31,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:17:31,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-11 21:17:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-11 21:17:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-11 21:17:31,778 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-11 21:17:31,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 09:17:31 BoogieIcfgContainer [2019-01-11 21:17:31,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-11 21:17:31,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-11 21:17:31,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-11 21:17:31,795 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-11 21:17:31,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:31" (3/4) ... [2019-01-11 21:17:31,799 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-11 21:17:31,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-11 21:17:31,800 INFO L168 Benchmark]: Toolchain (without parser) took 904.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:31,802 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-11 21:17:31,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.17 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:31,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:31,805 INFO L168 Benchmark]: Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:31,806 INFO L168 Benchmark]: RCFGBuilder took 325.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:31,808 INFO L168 Benchmark]: TraceAbstraction took 244.79 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:31,809 INFO L168 Benchmark]: Witness Printer took 4.98 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. [2019-01-11 21:17:31,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 278.17 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 31.67 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.33 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 325.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 244.79 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.98 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 0.1.24-0ed9222-m [2019-01-11 21:17:34,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 21:17:34,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 21:17:34,107 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 21:17:34,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 21:17:34,109 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 21:17:34,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 21:17:34,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 21:17:34,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 21:17:34,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 21:17:34,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-11 21:17:34,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-11 21:17:34,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-11 21:17:34,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-11 21:17:34,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-11 21:17:34,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-11 21:17:34,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-11 21:17:34,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-11 21:17:34,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-11 21:17:34,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-11 21:17:34,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-11 21:17:34,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-11 21:17:34,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-11 21:17:34,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-11 21:17:34,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-11 21:17:34,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-11 21:17:34,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-11 21:17:34,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-11 21:17:34,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-11 21:17:34,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-11 21:17:34,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-11 21:17:34,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-11 21:17:34,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-11 21:17:34,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-11 21:17:34,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-11 21:17:34,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-11 21:17:34,144 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-11 21:17:34,162 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 21:17:34,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 21:17:34,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 21:17:34,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 21:17:34,164 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 21:17:34,164 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 21:17:34,165 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 21:17:34,165 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-11 21:17:34,166 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-11 21:17:34,167 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 21:17:34,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 21:17:34,167 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-11 21:17:34,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 21:17:34,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 21:17:34,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 21:17:34,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-11 21:17:34,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 21:17:34,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-11 21:17:34,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 21:17:34,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 21:17:34,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 21:17:34,170 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-11 21:17:34,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 21:17:34,172 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-11 21:17:34,172 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-11 21:17:34,172 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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-01-11 21:17:34,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 21:17:34,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 21:17:34,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 21:17:34,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-11 21:17:34,228 INFO L276 PluginConnector]: CDTParser initialized [2019-01-11 21:17:34,229 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:34,287 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0889e6319/e0f81b71cfe941d799b70345fb3ce7f6/FLAG92d43271e [2019-01-11 21:17:34,669 INFO L307 CDTParser]: Found 1 translation units. [2019-01-11 21:17:34,669 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:34,675 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0889e6319/e0f81b71cfe941d799b70345fb3ce7f6/FLAG92d43271e [2019-01-11 21:17:35,055 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0889e6319/e0f81b71cfe941d799b70345fb3ce7f6 [2019-01-11 21:17:35,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 21:17:35,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-11 21:17:35,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-11 21:17:35,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-11 21:17:35,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-11 21:17:35,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ac96d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35, skipping insertion in model container [2019-01-11 21:17:35,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-11 21:17:35,095 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-11 21:17:35,268 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:17:35,274 INFO L191 MainTranslator]: Completed pre-run [2019-01-11 21:17:35,290 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-11 21:17:35,307 INFO L195 MainTranslator]: Completed translation [2019-01-11 21:17:35,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35 WrapperNode [2019-01-11 21:17:35,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-11 21:17:35,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 21:17:35,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 21:17:35,309 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 21:17:35,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 21:17:35,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 21:17:35,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 21:17:35,355 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 21:17:35,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (1/1) ... [2019-01-11 21:17:35,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 21:17:35,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 21:17:35,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 21:17:35,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 21:17:35,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (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 [2019-01-11 21:17:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-11 21:17:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-11 21:17:35,736 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-11 21:17:35,737 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-11 21:17:35,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:35 BoogieIcfgContainer [2019-01-11 21:17:35,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 21:17:35,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-11 21:17:35,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-11 21:17:35,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-11 21:17:35,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 09:17:35" (1/3) ... [2019-01-11 21:17:35,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae8d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:17:35, skipping insertion in model container [2019-01-11 21:17:35,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 09:17:35" (2/3) ... [2019-01-11 21:17:35,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae8d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 09:17:35, skipping insertion in model container [2019-01-11 21:17:35,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:35" (3/3) ... [2019-01-11 21:17:35,746 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2019-01-11 21:17:35,757 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-11 21:17:35,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-11 21:17:35,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-11 21:17:35,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-11 21:17:35,809 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-11 21:17:35,810 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-11 21:17:35,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-11 21:17:35,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-11 21:17:35,810 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-11 21:17:35,810 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-11 21:17:35,810 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-11 21:17:35,810 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-11 21:17:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-01-11 21:17:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-11 21:17:35,831 INFO L394 BasicCegarLoop]: Found error trace [2019-01-11 21:17:35,832 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-11 21:17:35,834 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-11 21:17:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-11 21:17:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2019-01-11 21:17:35,844 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-11 21:17:35,845 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 [2019-01-11 21:17:35,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-11 21:17:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-11 21:17:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-11 21:17:35,921 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-11 21:17:35,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 09:17:35 BoogieIcfgContainer [2019-01-11 21:17:35,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-11 21:17:35,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-11 21:17:35,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-11 21:17:35,940 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-11 21:17:35,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 09:17:35" (3/4) ... [2019-01-11 21:17:35,942 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-11 21:17:35,976 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-11 21:17:35,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-11 21:17:35,978 INFO L168 Benchmark]: Toolchain (without parser) took 918.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:35,979 INFO L168 Benchmark]: CDTParser took 0.33 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. [2019-01-11 21:17:35,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:35,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.87 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:35,982 INFO L168 Benchmark]: Boogie Preprocessor took 33.74 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-11 21:17:35,983 INFO L168 Benchmark]: RCFGBuilder took 349.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:35,984 INFO L168 Benchmark]: TraceAbstraction took 199.71 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-01-11 21:17:35,984 INFO L168 Benchmark]: Witness Printer took 37.54 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-01-11 21:17:35,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 246.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 45.87 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.74 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 349.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -200.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 199.71 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.54 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a 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, 8 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=8occurred 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, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect! Received shutdown request...