./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82679d367c32c359f0c9c81b27b57deea5682b2b ............................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82679d367c32c359f0c9c81b27b57deea5682b2b .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:16,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:16,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:16,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:16,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:16,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:16,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:16,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:16,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:16,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:16,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:16,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:16,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:16,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:16,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:16,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:16,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:16,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:16,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:16,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:16,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:16,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:16,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:16,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:16,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:16,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:16,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:16,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:16,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:16,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:16,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:16,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:16,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:16,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:16,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:16,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:16,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:16,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:16,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:16,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:16,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:16,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:22:16,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:16,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:16,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:16,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:16,925 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:16,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:16,926 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:16,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:16,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:16,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:16,927 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:16,928 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:16,928 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:16,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:16,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:16,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:16,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:16,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:16,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:16,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:16,930 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 82679d367c32c359f0c9c81b27b57deea5682b2b [2019-10-22 11:22:16,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:16,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:16,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:16,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:16,965 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:16,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2019-10-22 11:22:17,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/071b055d7/1b5ea66ca8ba443ca32085d43eeac2f7/FLAGfe915916d [2019-10-22 11:22:17,437 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:17,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2019-10-22 11:22:17,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/071b055d7/1b5ea66ca8ba443ca32085d43eeac2f7/FLAGfe915916d [2019-10-22 11:22:17,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/071b055d7/1b5ea66ca8ba443ca32085d43eeac2f7 [2019-10-22 11:22:17,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:17,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:17,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:17,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:17,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:17,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:17" (1/1) ... [2019-10-22 11:22:17,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdf2542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:17, skipping insertion in model container [2019-10-22 11:22:17,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:17" (1/1) ... [2019-10-22 11:22:17,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:17,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:18,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:18,221 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:18,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:18,308 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:18,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18 WrapperNode [2019-10-22 11:22:18,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:18,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:18,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:18,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:18,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:18,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:18,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:18,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:18,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:18,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:18,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:18,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:18,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/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 [2019-10-22 11:22:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:22:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:18,735 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:18,735 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:22:18,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:18 BoogieIcfgContainer [2019-10-22 11:22:18,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:18,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:18,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:18,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:18,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:17" (1/3) ... [2019-10-22 11:22:18,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de2d09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:18, skipping insertion in model container [2019-10-22 11:22:18,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18" (2/3) ... [2019-10-22 11:22:18,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de2d09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:18, skipping insertion in model container [2019-10-22 11:22:18,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:18" (3/3) ... [2019-10-22 11:22:18,744 INFO L109 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca-1.i [2019-10-22 11:22:18,756 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:18,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-10-22 11:22:18,776 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-10-22 11:22:18,801 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:18,802 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:18,802 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:18,802 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:18,802 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:18,802 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:18,803 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:18,803 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-10-22 11:22:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:18,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:18,832 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:18,834 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6REQUIRES_VIOLATION]=== [2019-10-22 11:22:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:18,839 INFO L82 PathProgramCache]: Analyzing trace with hash 889508873, now seen corresponding path program 1 times [2019-10-22 11:22:18,847 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:18,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655787762] [2019-10-22 11:22:18,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:18,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655787762] [2019-10-22 11:22:18,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:18,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:18,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012223770] [2019-10-22 11:22:18,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:18,987 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:18,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:18,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:19,000 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 3 states. [2019-10-22 11:22:19,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,061 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2019-10-22 11:22:19,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:19,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 11:22:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,072 INFO L225 Difference]: With dead ends: 40 [2019-10-22 11:22:19,072 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 11:22:19,074 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:19,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 11:22:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-10-22 11:22:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-22 11:22:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2019-10-22 11:22:19,104 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2019-10-22 11:22:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,104 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2019-10-22 11:22:19,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2019-10-22 11:22:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:19,105 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,105 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,105 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,106 INFO L82 PathProgramCache]: Analyzing trace with hash 889508874, now seen corresponding path program 1 times [2019-10-22 11:22:19,106 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954686180] [2019-10-22 11:22:19,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:19,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954686180] [2019-10-22 11:22:19,169 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:19,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:19,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994781747] [2019-10-22 11:22:19,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:19,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:19,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:19,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:19,172 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 5 states. [2019-10-22 11:22:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,268 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2019-10-22 11:22:19,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:19,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-10-22 11:22:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,271 INFO L225 Difference]: With dead ends: 42 [2019-10-22 11:22:19,271 INFO L226 Difference]: Without dead ends: 42 [2019-10-22 11:22:19,272 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-22 11:22:19,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-10-22 11:22:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 11:22:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2019-10-22 11:22:19,280 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 6 [2019-10-22 11:22:19,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,280 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2019-10-22 11:22:19,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2019-10-22 11:22:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:22:19,281 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,281 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,281 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1091210163, now seen corresponding path program 1 times [2019-10-22 11:22:19,282 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874330322] [2019-10-22 11:22:19,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:19,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874330322] [2019-10-22 11:22:19,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583505733] [2019-10-22 11:22:19,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:22:19,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:19,493 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:19,528 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:19,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 10 [2019-10-22 11:22:19,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180249698] [2019-10-22 11:22:19,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:22:19,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:19,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:22:19,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:19,530 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 7 states. [2019-10-22 11:22:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,593 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2019-10-22 11:22:19,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:19,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-10-22 11:22:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,595 INFO L225 Difference]: With dead ends: 75 [2019-10-22 11:22:19,595 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 11:22:19,595 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 11:22:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 46. [2019-10-22 11:22:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-10-22 11:22:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2019-10-22 11:22:19,604 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 10 [2019-10-22 11:22:19,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,604 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2019-10-22 11:22:19,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:22:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2019-10-22 11:22:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:22:19,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,605 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,808 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:19,808 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1900556789, now seen corresponding path program 1 times [2019-10-22 11:22:19,809 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823840773] [2019-10-22 11:22:19,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,809 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:19,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823840773] [2019-10-22 11:22:19,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722904451] [2019-10-22 11:22:19,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:22:19,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:20,025 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 8 treesize of output 7 [2019-10-22 11:22:20,026 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,033 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,034 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,034 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-10-22 11:22:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:20,068 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:20,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:20,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [221460795] [2019-10-22 11:22:20,141 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 11 [2019-10-22 11:22:20,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:20,178 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:20,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:20,447 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) 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.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-10-22 11:22:20,451 INFO L168 Benchmark]: Toolchain (without parser) took 2662.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 981.2 MB in the end (delta: -42.0 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,452 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:20,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.71 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. [2019-10-22 11:22:20,453 INFO L168 Benchmark]: Boogie Preprocessor took 29.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,454 INFO L168 Benchmark]: RCFGBuilder took 353.89 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,454 INFO L168 Benchmark]: TraceAbstraction took 1712.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.2 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 519.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.71 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. * Boogie Preprocessor took 29.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 353.89 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1712.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.2 MB in the end (delta: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:22,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:22,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:22,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:22,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:22,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:22,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:22,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:22,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:22,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:22,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:22,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:22,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:22,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:22,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:22,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:22,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:22,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:22,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:22,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:22,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:22,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:22,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:22,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:22,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:22,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:22,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:22,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:22,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:22,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:22,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:22,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:22,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:22,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:22,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:22,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:22,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:22,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:22,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:22,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:22,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:22,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:22,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:22,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:22,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:22,592 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:22,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:22,593 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:22,593 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:22,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:22,593 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:22,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:22,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:22,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:22,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:22,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:22,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:22,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:22,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:22,595 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:22,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:22,595 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:22,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:22,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:22,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:22,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:22,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:22,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:22,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:22,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:22,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:22,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:22,598 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 82679d367c32c359f0c9c81b27b57deea5682b2b [2019-10-22 11:22:22,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:22,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:22,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:22,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:22,654 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:22,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2019-10-22 11:22:22,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/d161f97c6/72c9386ccac042aa830a6c4fb7c172e1/FLAG6ab03ab8c [2019-10-22 11:22:23,101 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:23,101 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2019-10-22 11:22:23,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/d161f97c6/72c9386ccac042aa830a6c4fb7c172e1/FLAG6ab03ab8c [2019-10-22 11:22:23,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/data/d161f97c6/72c9386ccac042aa830a6c4fb7c172e1 [2019-10-22 11:22:23,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:23,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:23,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:23,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:23,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:23,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748b7d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23, skipping insertion in model container [2019-10-22 11:22:23,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:23,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:23,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:23,984 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:24,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:24,096 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:24,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24 WrapperNode [2019-10-22 11:22:24,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:24,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:24,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:24,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:24,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:24,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:24,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:24,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:24,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... [2019-10-22 11:22:24,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:24,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:24,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:24,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:24,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/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 [2019-10-22 11:22:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:22:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:24,685 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:24,686 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:22:24,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:24 BoogieIcfgContainer [2019-10-22 11:22:24,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:24,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:24,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:24,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:24,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:23" (1/3) ... [2019-10-22 11:22:24,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfcd7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:24, skipping insertion in model container [2019-10-22 11:22:24,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:24" (2/3) ... [2019-10-22 11:22:24,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfcd7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:24, skipping insertion in model container [2019-10-22 11:22:24,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:24" (3/3) ... [2019-10-22 11:22:24,693 INFO L109 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca-1.i [2019-10-22 11:22:24,701 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:24,708 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2019-10-22 11:22:24,724 INFO L249 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2019-10-22 11:22:24,746 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:24,747 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:24,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:24,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:24,747 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:24,748 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:24,748 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:24,748 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-10-22 11:22:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:24,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:24,779 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:24,781 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION]=== [2019-10-22 11:22:24,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:24,788 INFO L82 PathProgramCache]: Analyzing trace with hash 889508873, now seen corresponding path program 1 times [2019-10-22 11:22:24,796 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:24,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [373008416] [2019-10-22 11:22:24,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89459822-bd36-416f-8397-186352366a70/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:25,030 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:25,030 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.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.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) 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) [2019-10-22 11:22:25,036 INFO L168 Benchmark]: Toolchain (without parser) took 1563.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:25,036 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:25,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:25,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:25,038 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 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. [2019-10-22 11:22:25,039 INFO L168 Benchmark]: RCFGBuilder took 482.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:25,039 INFO L168 Benchmark]: TraceAbstraction took 345.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:25,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -205.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.26 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 482.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 345.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...