./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/nec40.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/loops/nec40.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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ......................................................................................................................................................................................................................................................................................................................... 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/loops/nec40.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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ............................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:59:35,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:59:35,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:59:35,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:59:35,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:59:35,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:59:35,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:59:35,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:59:35,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:59:35,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:59:35,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:59:35,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:59:35,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:59:35,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:59:35,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:59:35,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:59:35,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:59:35,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:59:35,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:59:35,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:59:35,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:59:35,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:59:35,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:59:35,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:59:35,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:59:35,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:59:35,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:59:35,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:59:35,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:59:35,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:59:35,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:59:35,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:59:35,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:59:35,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:59:35,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:59:35,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:59:35,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:59:35,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:59:35,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:59:35,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:59:35,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:59:35,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:59:35,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:59:35,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:59:35,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:59:35,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:59:35,955 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:59:35,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:59:35,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:59:35,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:59:35,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:59:35,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:59:35,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:59:35,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:59:35,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:59:35,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:59:35,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:59:35,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:59:35,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:59:35,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:59:35,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:59:35,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:59:35,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:59:35,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:59:35,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:59:35,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:59:35,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:59:35,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:59:35,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:59:35,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:59:35,963 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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-27 23:59:36,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:59:36,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:59:36,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:59:36,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:59:36,268 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:59:36,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec40.c [2019-11-27 23:59:36,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d783a73/33260eef1d9045d58ca01a38d03b3891/FLAGdde234599 [2019-11-27 23:59:36,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:59:36,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec40.c [2019-11-27 23:59:36,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d783a73/33260eef1d9045d58ca01a38d03b3891/FLAGdde234599 [2019-11-27 23:59:37,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d783a73/33260eef1d9045d58ca01a38d03b3891 [2019-11-27 23:59:37,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:59:37,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:59:37,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:59:37,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:59:37,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:59:37,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c492e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37, skipping insertion in model container [2019-11-27 23:59:37,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:59:37,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:59:37,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:59:37,378 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:59:37,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:59:37,422 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:59:37,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37 WrapperNode [2019-11-27 23:59:37,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:59:37,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:59:37,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:59:37,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:59:37,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:59:37,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:59:37,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:59:37,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:59:37,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (1/1) ... [2019-11-27 23:59:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:59:37,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:59:37,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:59:37,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:59:37,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (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 23:59:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:59:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:59:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:59:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:59:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:59:37,826 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:59:37,833 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:59:37,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:59:37 BoogieIcfgContainer [2019-11-27 23:59:37,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:59:37,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:59:37,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:59:37,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:59:37,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:59:37" (1/3) ... [2019-11-27 23:59:37,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d329b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:59:37, skipping insertion in model container [2019-11-27 23:59:37,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:37" (2/3) ... [2019-11-27 23:59:37,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d329b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:59:37, skipping insertion in model container [2019-11-27 23:59:37,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:59:37" (3/3) ... [2019-11-27 23:59:37,862 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-27 23:59:37,889 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:59:37,897 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:59:37,913 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:59:37,952 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:59:37,953 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:59:37,953 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:59:37,953 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:59:37,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:59:37,954 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:59:37,954 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:59:37,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:59:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-27 23:59:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:59:37,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:37,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:37,974 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:37,981 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-27 23:59:37,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:59:37,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960861422] [2019-11-27 23:59:37,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:59:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:38,108 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 23:59:38,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960861422] [2019-11-27 23:59:38,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:59:38,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:59:38,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261629867] [2019-11-27 23:59:38,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:59:38,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:59:38,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:59:38,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:59:38,129 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-27 23:59:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:59:38,144 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-27 23:59:38,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:59:38,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:59:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:59:38,154 INFO L225 Difference]: With dead ends: 24 [2019-11-27 23:59:38,154 INFO L226 Difference]: Without dead ends: 10 [2019-11-27 23:59:38,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:59:38,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-27 23:59:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-27 23:59:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-27 23:59:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-27 23:59:38,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-27 23:59:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:59:38,190 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-27 23:59:38,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:59:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-27 23:59:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:59:38,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:38,191 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:38,191 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:38,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-27 23:59:38,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:59:38,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381234308] [2019-11-27 23:59:38,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:59:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:38,273 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 23:59:38,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381234308] [2019-11-27 23:59:38,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:59:38,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:59:38,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583105721] [2019-11-27 23:59:38,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:59:38,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:59:38,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:59:38,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:59:38,278 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-11-27 23:59:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:59:38,324 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-27 23:59:38,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:59:38,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-27 23:59:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:59:38,326 INFO L225 Difference]: With dead ends: 18 [2019-11-27 23:59:38,326 INFO L226 Difference]: Without dead ends: 12 [2019-11-27 23:59:38,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 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 23:59:38,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-27 23:59:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-27 23:59:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-27 23:59:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-27 23:59:38,332 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-27 23:59:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:59:38,333 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-27 23:59:38,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:59:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-27 23:59:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:59:38,334 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:38,334 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:38,335 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-27 23:59:38,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:59:38,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292275948] [2019-11-27 23:59:38,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:59:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:38,400 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:59:38,409 INFO L168 Benchmark]: Toolchain (without parser) took 1249.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:38,410 INFO L168 Benchmark]: CDTParser took 0.27 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 23:59:38,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.68 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:38,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:38,415 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:59:38,416 INFO L168 Benchmark]: RCFGBuilder took 288.78 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:38,417 INFO L168 Benchmark]: TraceAbstraction took 566.58 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:38,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 263.68 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.3 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 96.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.40 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. * RCFGBuilder took 288.78 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 566.58 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:59:40,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:59:40,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:59:40,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:59:40,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:59:40,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:59:40,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:59:40,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:59:40,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:59:40,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:59:40,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:59:40,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:59:40,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:59:40,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:59:40,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:59:40,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:59:40,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:59:40,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:59:40,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:59:40,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:59:40,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:59:40,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:59:40,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:59:40,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:59:40,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:59:40,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:59:40,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:59:40,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:59:40,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:59:40,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:59:40,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:59:40,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:59:40,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:59:40,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:59:40,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:59:40,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:59:40,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:59:40,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:59:40,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:59:40,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:59:40,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:59:40,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:59:40,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:59:40,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:59:40,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:59:40,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:59:40,447 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:59:40,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:59:40,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:59:40,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:59:40,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:59:40,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:59:40,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:59:40,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:59:40,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:59:40,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:59:40,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:59:40,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:59:40,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:59:40,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:59:40,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:59:40,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:59:40,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:59:40,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:59:40,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:59:40,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:59:40,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:59:40,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:59:40,454 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:59:40,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:59:40,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:59:40,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:59:40,454 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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-27 23:59:40,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:59:40,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:59:40,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:59:40,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:59:40,812 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:59:40,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/nec40.c [2019-11-27 23:59:40,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2b04350/ab5baaf4ced54cafa8ea780b95fe168c/FLAG3df53ef7b [2019-11-27 23:59:41,300 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:59:41,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/nec40.c [2019-11-27 23:59:41,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2b04350/ab5baaf4ced54cafa8ea780b95fe168c/FLAG3df53ef7b [2019-11-27 23:59:41,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2b04350/ab5baaf4ced54cafa8ea780b95fe168c [2019-11-27 23:59:41,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:59:41,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:59:41,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:59:41,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:59:41,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:59:41,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:41,657 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 11:59:41, skipping insertion in model container [2019-11-27 23:59:41,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:41,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:59:41,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:59:41,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:59:41,863 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:59:41,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:59:41,913 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:59:41,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41 WrapperNode [2019-11-27 23:59:41,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:59:41,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:59:41,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:59:41,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:59:41,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:41,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:59:42,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:59:42,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:59:42,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:59:42,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (1/1) ... [2019-11-27 23:59:42,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:59:42,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:59:42,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:59:42,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:59:42,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (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 23:59:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-27 23:59:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:59:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:59:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-27 23:59:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:59:42,465 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:59:42,465 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:59:42,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:59:42 BoogieIcfgContainer [2019-11-27 23:59:42,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:59:42,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:59:42,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:59:42,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:59:42,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:59:41" (1/3) ... [2019-11-27 23:59:42,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594cf71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:59:42, skipping insertion in model container [2019-11-27 23:59:42,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:59:41" (2/3) ... [2019-11-27 23:59:42,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594cf71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:59:42, skipping insertion in model container [2019-11-27 23:59:42,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:59:42" (3/3) ... [2019-11-27 23:59:42,477 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-27 23:59:42,489 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:59:42,498 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:59:42,515 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:59:42,551 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:59:42,552 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:59:42,552 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:59:42,553 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:59:42,553 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:59:42,553 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:59:42,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:59:42,553 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:59:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-27 23:59:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-27 23:59:42,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:42,589 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:42,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:42,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:42,599 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-27 23:59:42,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:59:42,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775791682] [2019-11-27 23:59:42,616 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 23:59:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:42,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:59:42,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:59:42,760 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 23:59:42,760 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:59:42,767 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 23:59:42,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775791682] [2019-11-27 23:59:42,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:59:42,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:59:42,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667926758] [2019-11-27 23:59:42,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:59:42,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:59:42,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:59:42,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:59:42,799 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-27 23:59:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:59:42,823 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-27 23:59:42,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:59:42,826 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-27 23:59:42,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:59:42,842 INFO L225 Difference]: With dead ends: 24 [2019-11-27 23:59:42,842 INFO L226 Difference]: Without dead ends: 10 [2019-11-27 23:59:42,848 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:59:42,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-27 23:59:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-27 23:59:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-27 23:59:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-27 23:59:42,883 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-27 23:59:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:59:42,883 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-27 23:59:42,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:59:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-27 23:59:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-27 23:59:42,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:42,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:43,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:59:43,096 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:43,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:43,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-27 23:59:43,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:59:43,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564439102] [2019-11-27 23:59:43,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:59:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:43,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 23:59:43,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:59:43,179 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 23:59:43,179 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:59:43,222 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 23:59:43,222 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564439102] [2019-11-27 23:59:43,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:59:43,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-27 23:59:43,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306577912] [2019-11-27 23:59:43,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:59:43,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:59:43,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:59:43,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:59:43,227 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2019-11-27 23:59:43,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:59:43,274 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-27 23:59:43,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:59:43,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-27 23:59:43,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:59:43,275 INFO L225 Difference]: With dead ends: 18 [2019-11-27 23:59:43,275 INFO L226 Difference]: Without dead ends: 12 [2019-11-27 23:59:43,276 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:59:43,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-27 23:59:43,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-27 23:59:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-27 23:59:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-27 23:59:43,281 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-27 23:59:43,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:59:43,281 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-27 23:59:43,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:59:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-27 23:59:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:59:43,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:59:43,283 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:59:43,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:59:43,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:59:43,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:59:43,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-27 23:59:43,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:59:43,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665181912] [2019-11-27 23:59:43,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:59:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:59:43,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 23:59:43,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:59:43,644 INFO L343 Elim1Store]: treesize reduction 16, result has 27.3 percent of original size [2019-11-27 23:59:43,645 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 13 [2019-11-27 23:59:43,646 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 23:59:43,670 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:59:43,672 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-27 23:59:43,673 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:13 [2019-11-27 23:59:43,775 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2019-11-27 23:59:43,776 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-27 23:59:43,787 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:59:43,788 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-27 23:59:43,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:17, output treesize:9 [2019-11-27 23:59:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:59:43,802 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:59:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:59:43,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665181912] [2019-11-27 23:59:43,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:59:43,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:59:43,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815683960] [2019-11-27 23:59:43,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:59:43,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:59:43,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:59:43,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:59:43,862 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 6 states. [2019-11-27 23:59:43,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:59:43,895 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-27 23:59:43,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:59:43,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-27 23:59:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:59:43,896 INFO L225 Difference]: With dead ends: 12 [2019-11-27 23:59:43,896 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:59:43,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:59:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:59:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:59:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:59:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:59:43,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-27 23:59:43,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:59:43,898 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:59:43,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:59:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:59:43,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:59:44,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:59:44,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:59:44,156 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:59:44,157 INFO L246 CegarLoopResult]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-11-27 23:59:44,157 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-27 23:59:44,157 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:59:44,157 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:59:44,157 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:59:44,158 INFO L249 CegarLoopResult]: At program point L28(lines 14 29) the Hoare annotation is: true [2019-11-27 23:59:44,158 INFO L246 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-27 23:59:44,158 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-27 23:59:44,158 INFO L249 CegarLoopResult]: At program point L24-1(lines 24 26) the Hoare annotation is: true [2019-11-27 23:59:44,158 INFO L246 CegarLoopResult]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2019-11-27 23:59:44,159 INFO L242 CegarLoopResult]: At program point L18-3(lines 18 21) the Hoare annotation is: (and (= ~i~0 (_ bv0 32)) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|))) [2019-11-27 23:59:44,159 INFO L246 CegarLoopResult]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2019-11-27 23:59:44,159 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-27 23:59:44,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:59:44,170 INFO L168 Benchmark]: Toolchain (without parser) took 2522.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -93.9 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,171 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:59:44,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,174 INFO L168 Benchmark]: Boogie Preprocessor took 30.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,175 INFO L168 Benchmark]: RCFGBuilder took 420.62 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,176 INFO L168 Benchmark]: TraceAbstraction took 1700.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:59:44,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 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 99.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 420.62 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1700.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...