./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf1168110983bcf9fdc75fe12a6575329d72d984 ....................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf1168110983bcf9fdc75fe12a6575329d72d984 .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:34:44,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:34:44,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:34:44,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:34:44,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:34:44,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:34:44,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:34:44,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:34:44,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:34:44,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:34:44,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:34:44,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:34:44,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:34:44,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:34:44,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:34:44,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:34:44,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:34:44,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:34:44,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:34:44,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:34:44,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:34:44,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:34:44,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:34:44,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:34:44,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:34:44,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:34:44,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:34:44,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:34:44,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:34:44,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:34:44,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:34:44,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:34:44,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:34:44,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:34:44,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:34:44,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:34:44,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:34:44,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:34:44,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:34:44,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:34:44,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:34:44,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:34:44,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:34:44,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:34:44,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:34:44,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:34:44,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:34:44,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:34:44,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:34:44,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:34:44,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:34:44,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:34:44,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:34:44,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:34:44,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:34:44,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:34:44,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:34:44,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:34:44,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:34:44,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:34:44,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:34:44,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:34:44,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:34:44,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:44,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:34:44,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:34:44,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:34:44,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:34:44,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:34:44,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:34:44,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2019-11-27 22:34:45,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:34:45,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:34:45,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:34:45,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:34:45,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:34:45,227 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-27 22:34:45,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae17f9d/b6b9be4e4941448e909054f373108876/FLAGfbff3074b [2019-11-27 22:34:45,705 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:34:45,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-27 22:34:45,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae17f9d/b6b9be4e4941448e909054f373108876/FLAGfbff3074b [2019-11-27 22:34:46,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae17f9d/b6b9be4e4941448e909054f373108876 [2019-11-27 22:34:46,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:34:46,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:34:46,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:46,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:34:46,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:34:46,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286e58b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46, skipping insertion in model container [2019-11-27 22:34:46,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:34:46,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:34:46,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:46,325 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:34:46,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:46,357 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:34:46,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46 WrapperNode [2019-11-27 22:34:46,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:46,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:46,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:34:46,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:34:46,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:46,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:34:46,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:34:46,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:34:46,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (1/1) ... [2019-11-27 22:34:46,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:34:46,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:34:46,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:34:46,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:34:46,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (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 [2019-11-27 22:34:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:34:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:34:46,750 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:34:46,751 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-27 22:34:46,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:46 BoogieIcfgContainer [2019-11-27 22:34:46,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:34:46,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:34:46,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:34:46,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:34:46,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:34:46" (1/3) ... [2019-11-27 22:34:46,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea4131f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:46, skipping insertion in model container [2019-11-27 22:34:46,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:46" (2/3) ... [2019-11-27 22:34:46,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea4131f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:46, skipping insertion in model container [2019-11-27 22:34:46,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:46" (3/3) ... [2019-11-27 22:34:46,761 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2019-11-27 22:34:46,770 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:34:46,775 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:34:46,787 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:34:46,812 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:34:46,812 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:34:46,813 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:34:46,814 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:34:46,814 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:34:46,815 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:34:46,817 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:34:46,818 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:34:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-27 22:34:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 22:34:46,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:34:46,839 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 22:34:46,839 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:34:46,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:34:46,846 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-27 22:34:46,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:34:46,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031836770] [2019-11-27 22:34:46,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:34:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:46,964 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:34:46,965 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:34:46,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:34:46 BoogieIcfgContainer [2019-11-27 22:34:46,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:34:46,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:34:46,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:34:46,983 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:34:46,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:46" (3/4) ... [2019-11-27 22:34:46,987 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 22:34:46,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:34:46,990 INFO L168 Benchmark]: Toolchain (without parser) took 871.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -85.0 MB). Peak memory consumption was 998.6 kB. Max. memory is 11.5 GB. [2019-11-27 22:34:46,991 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:46,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:46,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:46,996 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:46,997 INFO L168 Benchmark]: RCFGBuilder took 270.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:46,999 INFO L168 Benchmark]: TraceAbstraction took 227.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:47,000 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:47,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 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 100.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 270.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 227.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:34:48,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:34:48,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:34:48,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:34:48,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:34:48,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:34:48,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:34:48,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:34:48,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:34:48,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:34:48,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:34:48,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:34:48,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:34:48,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:34:48,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:34:48,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:34:48,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:34:48,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:34:49,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:34:49,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:34:49,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:34:49,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:34:49,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:34:49,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:34:49,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:34:49,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:34:49,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:34:49,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:34:49,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:34:49,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:34:49,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:34:49,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:34:49,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:34:49,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:34:49,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:34:49,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:34:49,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:34:49,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:34:49,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:34:49,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:34:49,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:34:49,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 22:34:49,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:34:49,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:34:49,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:34:49,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:34:49,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:34:49,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:34:49,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:34:49,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:34:49,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:34:49,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:34:49,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:34:49,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:34:49,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 22:34:49,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 22:34:49,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:34:49,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:34:49,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:34:49,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:34:49,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:34:49,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:34:49,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:34:49,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:34:49,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:49,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:34:49,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:34:49,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:34:49,045 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 22:34:49,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 22:34:49,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:34:49,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 22:34:49,046 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2019-11-27 22:34:49,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:34:49,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:34:49,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:34:49,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:34:49,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:34:49,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-27 22:34:49,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b988a011/e9014e1ff8fe42cfa7fe59738b8a8d77/FLAGc021ca6cf [2019-11-27 22:34:49,863 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:34:49,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2019-11-27 22:34:49,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b988a011/e9014e1ff8fe42cfa7fe59738b8a8d77/FLAGc021ca6cf [2019-11-27 22:34:50,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b988a011/e9014e1ff8fe42cfa7fe59738b8a8d77 [2019-11-27 22:34:50,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:34:50,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:34:50,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:50,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:34:50,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:34:50,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50, skipping insertion in model container [2019-11-27 22:34:50,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:34:50,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:34:50,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:50,558 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:34:50,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:50,594 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:34:50,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50 WrapperNode [2019-11-27 22:34:50,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:50,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:50,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:34:50,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:34:50,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:50,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:34:50,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:34:50,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:34:50,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (1/1) ... [2019-11-27 22:34:50,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:34:50,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:34:50,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:34:50,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:34:50,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (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 [2019-11-27 22:34:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:34:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:34:50,907 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:34:50,907 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-27 22:34:50,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:50 BoogieIcfgContainer [2019-11-27 22:34:50,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:34:50,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:34:50,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:34:50,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:34:50,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:34:50" (1/3) ... [2019-11-27 22:34:50,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a3c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:50, skipping insertion in model container [2019-11-27 22:34:50,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:50" (2/3) ... [2019-11-27 22:34:50,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a3c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:50, skipping insertion in model container [2019-11-27 22:34:50,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:50" (3/3) ... [2019-11-27 22:34:50,916 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2019-11-27 22:34:50,924 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:34:50,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:34:50,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:34:50,967 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:34:50,967 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:34:50,967 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:34:50,967 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:34:50,967 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:34:50,967 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:34:50,968 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:34:50,968 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:34:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-27 22:34:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 22:34:50,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:34:50,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 22:34:50,989 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:34:50,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:34:50,994 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-27 22:34:51,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 22:34:51,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262019924] [2019-11-27 22:34:51,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 22:34:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:34:51,039 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:34:51,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:34:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:34:51,096 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 22:34:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:34:51,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262019924] [2019-11-27 22:34:51,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:34:51,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 22:34:51,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696123671] [2019-11-27 22:34:51,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:34:51,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 22:34:51,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:34:51,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:34:51,161 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-27 22:34:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:34:51,182 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2019-11-27 22:34:51,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:34:51,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-27 22:34:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:34:51,192 INFO L225 Difference]: With dead ends: 10 [2019-11-27 22:34:51,193 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:34:51,208 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:34:51,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:34:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:34:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:34:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:34:51,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-27 22:34:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:34:51,238 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:34:51,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:34:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:34:51,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:34:51,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 22:34:51,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:34:51,496 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:34:51,496 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:34:51,497 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:34:51,497 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-27 22:34:51,497 INFO L242 CegarLoopResult]: At program point L13(lines 3 14) the Hoare annotation is: (= (bvadd ULTIMATE.start_main_~result_8~0 (_ bv6 8)) (_ bv0 8)) [2019-11-27 22:34:51,497 INFO L242 CegarLoopResult]: At program point L8(lines 3 14) the Hoare annotation is: false [2019-11-27 22:34:51,498 INFO L246 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2019-11-27 22:34:51,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:34:51 BoogieIcfgContainer [2019-11-27 22:34:51,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:34:51,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:34:51,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:34:51,512 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:34:51,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:50" (3/4) ... [2019-11-27 22:34:51,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:34:51,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-27 22:34:51,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:34:51,569 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:34:51,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:34:51,572 INFO L168 Benchmark]: Toolchain (without parser) took 1275.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -93.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:51,573 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:51,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:51,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:51,575 INFO L168 Benchmark]: Boogie Preprocessor took 20.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:51,576 INFO L168 Benchmark]: RCFGBuilder took 190.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:51,577 INFO L168 Benchmark]: TraceAbstraction took 601.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:51,577 INFO L168 Benchmark]: Witness Printer took 57.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:51,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 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 101.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 190.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 601.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.76 ms. Allocated memory is still 1.1 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: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(result_8, 6bv8) == 0bv8 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...