./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.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_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 b05f810cf5c3fdbb476cd22f2154f4cd5a41b63d ................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 b05f810cf5c3fdbb476cd22f2154f4cd5a41b63d .................................................................................................................................................................................................................................................... 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 11:21:41,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:41,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:41,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:41,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:41,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:41,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:41,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:41,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:41,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:41,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:41,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:41,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:41,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:41,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:41,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:41,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:41,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:41,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:41,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:41,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:41,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:41,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:41,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:41,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:41,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:41,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:41,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:41,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:41,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:41,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:41,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:41,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:41,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:41,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:41,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:41,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:41,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:41,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:41,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:41,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:41,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:21:41,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:41,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:41,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:41,298 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:41,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:41,298 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:41,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:41,298 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:41,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:41,299 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:41,299 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:41,299 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:41,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:21:41,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:21:41,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:41,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:41,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:21:41,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:21:41,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:41,302 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:41,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:41,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:41,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:41,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:41,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:41,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:41,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:41,307 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:41,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:41,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:41,308 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_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 -> b05f810cf5c3fdbb476cd22f2154f4cd5a41b63d [2019-10-22 11:21:41,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:41,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:41,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:41,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:41,347 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:41,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:41,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/768c11c82/e1a993cf0da14121b69192a8ec3219de/FLAGc5170913d [2019-10-22 11:21:41,831 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:41,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:41,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/768c11c82/e1a993cf0da14121b69192a8ec3219de/FLAGc5170913d [2019-10-22 11:21:42,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/768c11c82/e1a993cf0da14121b69192a8ec3219de [2019-10-22 11:21:42,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:42,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:42,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:42,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:42,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:42,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24abdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42, skipping insertion in model container [2019-10-22 11:21:42,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:42,236 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:42,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:42,621 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:42,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:42,702 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:42,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42 WrapperNode [2019-10-22 11:21:42,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:42,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:42,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:42,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:42,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:42,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:42,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:42,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:42,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:42,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:42,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:42,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:42,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 11:21:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:21:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:21:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:43,134 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:43,134 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:21:43,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:43 BoogieIcfgContainer [2019-10-22 11:21:43,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:43,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:43,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:43,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:43,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:42" (1/3) ... [2019-10-22 11:21:43,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:43, skipping insertion in model container [2019-10-22 11:21:43,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42" (2/3) ... [2019-10-22 11:21:43,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:43, skipping insertion in model container [2019-10-22 11:21:43,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:43" (3/3) ... [2019-10-22 11:21:43,142 INFO L109 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:43,151 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:43,158 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-10-22 11:21:43,169 INFO L249 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-10-22 11:21:43,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:43,187 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:21:43,188 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:43,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:43,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:43,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:43,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:43,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-10-22 11:21:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:21:43,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:43,210 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:43,212 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== [2019-10-22 11:21:43,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:43,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029096, now seen corresponding path program 1 times [2019-10-22 11:21:43,225 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:43,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46556864] [2019-10-22 11:21:43,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:43,371 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 11:21:43,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46556864] [2019-10-22 11:21:43,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:43,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:43,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064539955] [2019-10-22 11:21:43,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:43,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:43,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:43,394 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2019-10-22 11:21:43,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:43,445 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2019-10-22 11:21:43,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:43,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:21:43,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:43,456 INFO L225 Difference]: With dead ends: 42 [2019-10-22 11:21:43,456 INFO L226 Difference]: Without dead ends: 40 [2019-10-22 11:21:43,457 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 11:21:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-22 11:21:43,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-10-22 11:21:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-22 11:21:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2019-10-22 11:21:43,488 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 7 [2019-10-22 11:21:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:43,489 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2019-10-22 11:21:43,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2019-10-22 11:21:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:21:43,489 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:43,489 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:43,490 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== [2019-10-22 11:21:43,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:43,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029097, now seen corresponding path program 1 times [2019-10-22 11:21:43,491 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:43,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771057337] [2019-10-22 11:21:43,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:43,572 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 11:21:43,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771057337] [2019-10-22 11:21:43,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:43,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:43,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153991641] [2019-10-22 11:21:43,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:43,575 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:43,575 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 5 states. [2019-10-22 11:21:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:43,641 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2019-10-22 11:21:43,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:43,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-10-22 11:21:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:43,642 INFO L225 Difference]: With dead ends: 44 [2019-10-22 11:21:43,642 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 11:21:43,643 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 11:21:43,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 11:21:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2019-10-22 11:21:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-10-22 11:21:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-10-22 11:21:43,648 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 7 [2019-10-22 11:21:43,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:43,649 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-10-22 11:21:43,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-10-22 11:21:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:21:43,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:43,649 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:43,650 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== [2019-10-22 11:21:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:43,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1906083540, now seen corresponding path program 1 times [2019-10-22 11:21:43,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:43,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854670644] [2019-10-22 11:21:43,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:43,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:43,743 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 11:21:43,744 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854670644] [2019-10-22 11:21:43,744 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794508580] [2019-10-22 11:21:43,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 11:21:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:43,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:21:43,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:43,869 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 11:21:43,869 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:43,894 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 11:21:43,894 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:21:43,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 10 [2019-10-22 11:21:43,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459326328] [2019-10-22 11:21:43,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:21:43,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:43,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:21:43,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:43,896 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 7 states. [2019-10-22 11:21:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:43,943 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2019-10-22 11:21:43,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:43,943 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-10-22 11:21:43,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:43,944 INFO L225 Difference]: With dead ends: 79 [2019-10-22 11:21:43,944 INFO L226 Difference]: Without dead ends: 79 [2019-10-22 11:21:43,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 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 11:21:43,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-22 11:21:43,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2019-10-22 11:21:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:21:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2019-10-22 11:21:43,950 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 11 [2019-10-22 11:21:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:43,950 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2019-10-22 11:21:43,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:21:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2019-10-22 11:21:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:21:43,951 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:43,951 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:44,151 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:44,152 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION]=== [2019-10-22 11:21:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1226025170, now seen corresponding path program 1 times [2019-10-22 11:21:44,152 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:44,152 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683919515] [2019-10-22 11:21:44,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:44,153 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:44,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:44,279 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 11:21:44,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683919515] [2019-10-22 11:21:44,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310335693] [2019-10-22 11:21:44,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 11:21:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:44,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 11:21:44,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:44,353 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_25|]} [2019-10-22 11:21:44,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 11:21:44,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-10-22 11:21:44,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:21:44,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:21:44,390 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 8 [2019-10-22 11:21:44,391 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:21:44,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:21:44,399 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:21:44,399 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:24, output treesize:12 [2019-10-22 11:21:44,411 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 11:21:44,412 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:44,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:21:44,470 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 11:21:44,470 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [791843980] [2019-10-22 11:21:44,476 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 12 [2019-10-22 11:21:44,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:21:44,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:21:44,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:44,798 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 11:21:44,809 INFO L168 Benchmark]: Toolchain (without parser) took 2616.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.1 MB in the beginning and 939.3 MB in the end (delta: -140.9 kB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,809 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:44,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,813 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 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 11:21:44,814 INFO L168 Benchmark]: RCFGBuilder took 365.76 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: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,814 INFO L168 Benchmark]: TraceAbstraction took 1671.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.3 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:44,816 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.77 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.29 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 365.76 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: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1671.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.3 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 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 11:21:46,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:46,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:46,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:46,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:46,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:46,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:46,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:46,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:46,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:46,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:46,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:46,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:46,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:46,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:46,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:46,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:46,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:46,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:46,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:46,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:46,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:46,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:46,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:46,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:46,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:46,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:46,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:46,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:46,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:46,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:46,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:46,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:46,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:46,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:46,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:46,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:46,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:46,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:46,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:46,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:46,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:46,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:46,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:46,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:46,961 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:46,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:46,961 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:46,961 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:46,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:46,962 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:46,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:21:46,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:46,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:46,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:46,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:46,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:46,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:46,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:46,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:46,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:46,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:46,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:46,966 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:46,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:46,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:46,967 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_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 -> b05f810cf5c3fdbb476cd22f2154f4cd5a41b63d [2019-10-22 11:21:46,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:47,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:47,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:47,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:47,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:47,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:47,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/317980ac9/4a2d8f7c049144d9adbbdc2d76510208/FLAGf084e1a17 [2019-10-22 11:21:47,503 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:47,503 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:47,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/317980ac9/4a2d8f7c049144d9adbbdc2d76510208/FLAGf084e1a17 [2019-10-22 11:21:47,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/bin/utaipan/data/317980ac9/4a2d8f7c049144d9adbbdc2d76510208 [2019-10-22 11:21:47,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:47,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:47,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:47,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:47,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:47,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d413584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:47, skipping insertion in model container [2019-10-22 11:21:47,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:47" (1/1) ... [2019-10-22 11:21:47,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:47,579 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:47,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:47,882 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:48,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:48,048 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48 WrapperNode [2019-10-22 11:21:48,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:48,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:48,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:48,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:48,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:48,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:48,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:48,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:48,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... [2019-10-22 11:21:48,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:48,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:48,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:48,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:48,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 11:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 11:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:48,570 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:48,570 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:21:48,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:48 BoogieIcfgContainer [2019-10-22 11:21:48,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:48,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:48,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:48,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:48,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:47" (1/3) ... [2019-10-22 11:21:48,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e03d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:48, skipping insertion in model container [2019-10-22 11:21:48,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:48" (2/3) ... [2019-10-22 11:21:48,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e03d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:48, skipping insertion in model container [2019-10-22 11:21:48,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:48" (3/3) ... [2019-10-22 11:21:48,579 INFO L109 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-2.i [2019-10-22 11:21:48,588 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:48,594 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-10-22 11:21:48,605 INFO L249 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-10-22 11:21:48,623 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:48,623 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:21:48,623 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:48,623 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:48,624 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:48,624 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:48,624 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:48,624 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-10-22 11:21:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:21:48,644 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:48,645 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:48,647 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION]=== [2019-10-22 11:21:48,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:48,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029096, now seen corresponding path program 1 times [2019-10-22 11:21:48,662 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:48,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [155588154] [2019-10-22 11:21:48,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bbf7ab7-33c0-4ac3-b536-d98a4bc286c6/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 11:21:48,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:48,906 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 11:21:48,911 INFO L168 Benchmark]: Toolchain (without parser) took 1376.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,912 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 11:21:48,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.87 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 11:21:48,913 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 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. [2019-10-22 11:21:48,914 INFO L168 Benchmark]: RCFGBuilder took 448.99 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,915 INFO L168 Benchmark]: TraceAbstraction took 336.51 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:48,917 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 514.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.87 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 26.92 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 448.99 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 336.51 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: 13.2 MB). Peak memory consumption was 13.2 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...