./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 91b1670e 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 0.1.24-91b1670 [2018-11-28 16:08:36,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:08:36,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:08:36,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:08:36,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:08:36,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:08:36,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:08:36,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:08:36,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:08:36,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:08:36,863 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:08:36,863 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:08:36,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:08:36,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:08:36,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:08:36,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:08:36,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:08:36,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:08:36,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:08:36,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:08:36,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:08:36,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:08:36,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:08:36,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:08:36,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:08:36,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:08:36,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:08:36,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:08:36,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:08:36,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:08:36,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:08:36,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:08:36,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:08:36,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:08:36,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:08:36,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:08:36,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:08:36,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:08:36,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:08:36,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:08:36,920 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:08:36,923 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:08:36,925 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:08:36,926 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:08:36,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:08:36,926 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:08:36,926 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:08:36,927 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:08:36,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:08:36,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:08:36,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:08:36,927 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:08:36,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:08:36,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:08:36,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:08:36,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:08:36,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:08:36,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:08:36,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:08:36,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:08:36,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:08:36,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:08:36,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:08:36,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:08:36,933 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:08:36,933 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:08:36,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:08:36,934 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 [2018-11-28 16:08:36,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:08:36,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:08:37,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:08:37,004 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:08:37,005 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:08:37,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:37,071 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b39d241/a142442ebc71437193960b45e9ae767a/FLAG6ec5c96d6 [2018-11-28 16:08:37,519 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:08:37,520 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:37,526 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b39d241/a142442ebc71437193960b45e9ae767a/FLAG6ec5c96d6 [2018-11-28 16:08:37,882 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b39d241/a142442ebc71437193960b45e9ae767a [2018-11-28 16:08:37,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:08:37,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:08:37,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:37,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:08:37,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:08:37,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:37" (1/1) ... [2018-11-28 16:08:37,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b94ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:37, skipping insertion in model container [2018-11-28 16:08:37,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:37" (1/1) ... [2018-11-28 16:08:37,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:08:37,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:08:38,158 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:38,165 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:08:38,182 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:38,200 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:08:38,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38 WrapperNode [2018-11-28 16:08:38,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:38,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:38,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:08:38,202 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:08:38,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:38,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:08:38,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:08:38,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:08:38,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (1/1) ... [2018-11-28 16:08:38,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:08:38,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:08:38,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:08:38,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:08:38,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (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 [2018-11-28 16:08:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:08:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:08:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:08:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:08:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:08:38,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:08:38,576 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:08:38,576 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 16:08:38,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:38 BoogieIcfgContainer [2018-11-28 16:08:38,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:08:38,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:08:38,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:08:38,583 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:08:38,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:37" (1/3) ... [2018-11-28 16:08:38,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216f39fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:38, skipping insertion in model container [2018-11-28 16:08:38,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:38" (2/3) ... [2018-11-28 16:08:38,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216f39fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:38, skipping insertion in model container [2018-11-28 16:08:38,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:38" (3/3) ... [2018-11-28 16:08:38,588 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:38,599 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:08:38,607 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:08:38,625 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:08:38,656 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:08:38,657 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:08:38,657 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:08:38,657 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:08:38,658 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:08:38,658 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:08:38,658 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:08:38,658 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:08:38,659 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:08:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 16:08:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 16:08:38,684 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:08:38,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:08:38,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:08:38,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:08:38,695 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 16:08:38,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:08:38,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:08:38,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:08:38,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:08:38,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:08:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:38,847 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 16:08:38,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:38 BoogieIcfgContainer [2018-11-28 16:08:38,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:08:38,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:08:38,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:08:38,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:08:38,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:38" (3/4) ... [2018-11-28 16:08:38,874 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 16:08:38,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:08:38,875 INFO L168 Benchmark]: Toolchain (without parser) took 988.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:38,878 INFO L168 Benchmark]: CDTParser took 0.47 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. [2018-11-28 16:08:38,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.25 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. [2018-11-28 16:08:38,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.03 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. [2018-11-28 16:08:38,881 INFO L168 Benchmark]: Boogie Preprocessor took 25.18 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. [2018-11-28 16:08:38,881 INFO L168 Benchmark]: RCFGBuilder took 322.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:38,882 INFO L168 Benchmark]: TraceAbstraction took 290.38 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:38,883 INFO L168 Benchmark]: Witness Printer took 4.94 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. [2018-11-28 16:08:38,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 312.25 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 27.03 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 25.18 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 322.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.38 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 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; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.2s 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 0.1.24-91b1670 [2018-11-28 16:08:41,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:08:41,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:08:41,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:08:41,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:08:41,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:08:41,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:08:41,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:08:41,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:08:41,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:08:41,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:08:41,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:08:41,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:08:41,341 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:08:41,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:08:41,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:08:41,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:08:41,346 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:08:41,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:08:41,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:08:41,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:08:41,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:08:41,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:08:41,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:08:41,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:08:41,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:08:41,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:08:41,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:08:41,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:08:41,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:08:41,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:08:41,363 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:08:41,364 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:08:41,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:08:41,365 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:08:41,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:08:41,366 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 16:08:41,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:08:41,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:08:41,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:08:41,384 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:08:41,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:08:41,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:08:41,386 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:08:41,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:08:41,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:08:41,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:08:41,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 16:08:41,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:08:41,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:08:41,390 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:08:41,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:08:41,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:08:41,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:08:41,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:08:41,392 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:08:41,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:08:41,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:08:41,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:08:41,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:08:41,393 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 16:08:41,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:08:41,393 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 16:08:41,393 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 16:08:41,393 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 [2018-11-28 16:08:41,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:08:41,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:08:41,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:08:41,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:08:41,464 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:08:41,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:41,535 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07f88f165/4f80eecefc7d473885887b0f3eca6df8/FLAGeb2b10291 [2018-11-28 16:08:42,029 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:08:42,030 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:42,035 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07f88f165/4f80eecefc7d473885887b0f3eca6df8/FLAGeb2b10291 [2018-11-28 16:08:42,419 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07f88f165/4f80eecefc7d473885887b0f3eca6df8 [2018-11-28 16:08:42,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:08:42,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:08:42,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:42,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:08:42,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:08:42,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58231498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42, skipping insertion in model container [2018-11-28 16:08:42,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:08:42,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:08:42,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:42,633 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:08:42,650 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:08:42,668 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:08:42,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42 WrapperNode [2018-11-28 16:08:42,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:08:42,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:42,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:08:42,670 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:08:42,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:08:42,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:08:42,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:08:42,697 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:08:42,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (1/1) ... [2018-11-28 16:08:42,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:08:42,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:08:42,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:08:42,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:08:42,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (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 [2018-11-28 16:08:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:08:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:08:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:08:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:08:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:08:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:08:43,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:08:43,016 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 16:08:43,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:43 BoogieIcfgContainer [2018-11-28 16:08:43,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:08:43,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:08:43,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:08:43,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:08:43,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:08:42" (1/3) ... [2018-11-28 16:08:43,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ca926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:43, skipping insertion in model container [2018-11-28 16:08:43,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:42" (2/3) ... [2018-11-28 16:08:43,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ca926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:43, skipping insertion in model container [2018-11-28 16:08:43,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:43" (3/3) ... [2018-11-28 16:08:43,025 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-28 16:08:43,035 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:08:43,042 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:08:43,056 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:08:43,087 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:08:43,088 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:08:43,088 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:08:43,088 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:08:43,088 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:08:43,089 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:08:43,089 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:08:43,089 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:08:43,089 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:08:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 16:08:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 16:08:43,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:08:43,115 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:08:43,117 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:08:43,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:08:43,123 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 16:08:43,128 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 16:08:43,128 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 [2018-11-28 16:08:43,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:08:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 16:08:43,201 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 16:08:43,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:43 BoogieIcfgContainer [2018-11-28 16:08:43,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:08:43,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:08:43,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:08:43,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:08:43,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:43" (3/4) ... [2018-11-28 16:08:43,227 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 16:08:43,270 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:08:43,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:08:43,271 INFO L168 Benchmark]: Toolchain (without parser) took 848.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:08:43,274 INFO L168 Benchmark]: CDTParser took 0.60 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. [2018-11-28 16:08:43,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.47 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. [2018-11-28 16:08:43,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.51 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. [2018-11-28 16:08:43,276 INFO L168 Benchmark]: Boogie Preprocessor took 29.73 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. [2018-11-28 16:08:43,276 INFO L168 Benchmark]: RCFGBuilder took 289.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:43,277 INFO L168 Benchmark]: TraceAbstraction took 205.49 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 16:08:43,278 INFO L168 Benchmark]: Witness Printer took 47.29 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. [2018-11-28 16:08:43,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 243.47 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 26.51 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 29.73 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 289.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 205.49 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.29 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; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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...