./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/20051113-1.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_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20051113-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 c4dc9fabe33924e39906c6080cc0d2803306eec2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/20051113-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 c4dc9fabe33924e39906c6080cc0d2803306eec2 ...................................................................................................................................................................................................................................................... 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 11:27:27,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:27,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:27,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:27,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:27,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:27,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:27,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:27,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:27,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:27,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:27,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:27,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:27,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:27,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:27,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:27,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:27,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:27,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:27,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:27,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:27,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:27,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:27,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:27,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:27,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:27,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:27,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:27,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:27,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:27,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:27,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:27,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:27,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:27,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:27,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:27,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:27,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:27,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:27,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:27,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:27,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:27:27,459 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:27,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:27,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:27,460 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:27,460 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:27,460 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:27,460 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:27,460 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:27,460 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:27,461 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:27,461 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:27,461 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:27,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:27,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:27,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:27,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:27,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:27,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:27,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:27,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:27,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:27,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:27,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:27,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:27,465 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_01f1b3dd-5225-48e4-95b7-5093342d6712/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 -> c4dc9fabe33924e39906c6080cc0d2803306eec2 [2019-10-22 11:27:27,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:27,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:27,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:27,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:27,501 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:27,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/../../sv-benchmarks/c/memsafety/20051113-1.i [2019-10-22 11:27:27,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/340dcaa9b/b15b06ab1f82439bbfc03af0b55b15e5/FLAG70ad6585b [2019-10-22 11:27:27,981 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:27,982 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/sv-benchmarks/c/memsafety/20051113-1.i [2019-10-22 11:27:27,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/340dcaa9b/b15b06ab1f82439bbfc03af0b55b15e5/FLAG70ad6585b [2019-10-22 11:27:28,005 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/340dcaa9b/b15b06ab1f82439bbfc03af0b55b15e5 [2019-10-22 11:27:28,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:28,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:28,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:28,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:28,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:28,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae1c77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28, skipping insertion in model container [2019-10-22 11:27:28,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:28,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:28,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:28,415 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:28,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:28,519 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:28,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28 WrapperNode [2019-10-22 11:27:28,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:28,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:28,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:28,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:28,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:28,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:28,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:28,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:28,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:28,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:28,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:28,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:28,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 11:27:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:29,126 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:29,126 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 11:27:29,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:29 BoogieIcfgContainer [2019-10-22 11:27:29,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:29,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:29,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:29,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:29,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:28" (1/3) ... [2019-10-22 11:27:29,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a07a687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:29, skipping insertion in model container [2019-10-22 11:27:29,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (2/3) ... [2019-10-22 11:27:29,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a07a687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:29, skipping insertion in model container [2019-10-22 11:27:29,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:29" (3/3) ... [2019-10-22 11:27:29,135 INFO L109 eAbstractionObserver]: Analyzing ICFG 20051113-1.i [2019-10-22 11:27:29,142 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:29,148 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 49 error locations. [2019-10-22 11:27:29,155 INFO L249 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2019-10-22 11:27:29,171 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:29,171 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:29,171 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:29,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:29,172 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:29,172 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:29,173 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:29,173 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-10-22 11:27:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:29,193 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,194 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:29,196 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,201 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-10-22 11:27:29,209 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,210 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884483415] [2019-10-22 11:27:29,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,325 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 11:27:29,326 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884483415] [2019-10-22 11:27:29,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,328 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:29,328 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637309281] [2019-10-22 11:27:29,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:29,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:29,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,351 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 3 states. [2019-10-22 11:27:29,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:29,514 INFO L93 Difference]: Finished difference Result 97 states and 101 transitions. [2019-10-22 11:27:29,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:29,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:27:29,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:29,527 INFO L225 Difference]: With dead ends: 97 [2019-10-22 11:27:29,527 INFO L226 Difference]: Without dead ends: 95 [2019-10-22 11:27:29,529 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 11:27:29,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-22 11:27:29,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-22 11:27:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-22 11:27:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 99 transitions. [2019-10-22 11:27:29,569 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 99 transitions. Word has length 3 [2019-10-22 11:27:29,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:29,570 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 99 transitions. [2019-10-22 11:27:29,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2019-10-22 11:27:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:27:29,570 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,571 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:27:29,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,571 INFO L82 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2019-10-22 11:27:29,572 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437325589] [2019-10-22 11:27:29,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,611 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 11:27:29,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437325589] [2019-10-22 11:27:29,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:29,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116349756] [2019-10-22 11:27:29,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:29,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:29,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,614 INFO L87 Difference]: Start difference. First operand 95 states and 99 transitions. Second operand 3 states. [2019-10-22 11:27:29,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:29,708 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2019-10-22 11:27:29,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:29,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-10-22 11:27:29,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:29,709 INFO L225 Difference]: With dead ends: 94 [2019-10-22 11:27:29,710 INFO L226 Difference]: Without dead ends: 94 [2019-10-22 11:27:29,710 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 11:27:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-22 11:27:29,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-22 11:27:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-22 11:27:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2019-10-22 11:27:29,717 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 4 [2019-10-22 11:27:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:29,717 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2019-10-22 11:27:29,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2019-10-22 11:27:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:27:29,717 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,717 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:29,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1803953449, now seen corresponding path program 1 times [2019-10-22 11:27:29,718 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,718 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67148863] [2019-10-22 11:27:29,719 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,719 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,810 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 11:27:29,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67148863] [2019-10-22 11:27:29,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:29,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127160088] [2019-10-22 11:27:29,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:29,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:29,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:29,812 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand 5 states. [2019-10-22 11:27:29,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:29,937 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2019-10-22 11:27:29,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:29,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-10-22 11:27:29,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:29,939 INFO L225 Difference]: With dead ends: 87 [2019-10-22 11:27:29,939 INFO L226 Difference]: Without dead ends: 87 [2019-10-22 11:27:29,939 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 11:27:29,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-22 11:27:29,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-22 11:27:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 11:27:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2019-10-22 11:27:29,947 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 7 [2019-10-22 11:27:29,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:29,947 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2019-10-22 11:27:29,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2019-10-22 11:27:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:27:29,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,948 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:29,948 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1803953450, now seen corresponding path program 1 times [2019-10-22 11:27:29,949 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993821725] [2019-10-22 11:27:29,949 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,949 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,012 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 11:27:30,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993821725] [2019-10-22 11:27:30,013 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:30,013 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:30,013 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675988325] [2019-10-22 11:27:30,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:30,014 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:30,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:30,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:30,014 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 4 states. [2019-10-22 11:27:30,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:30,026 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2019-10-22 11:27:30,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:30,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:27:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:30,029 INFO L225 Difference]: With dead ends: 88 [2019-10-22 11:27:30,029 INFO L226 Difference]: Without dead ends: 88 [2019-10-22 11:27:30,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-22 11:27:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-22 11:27:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-22 11:27:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2019-10-22 11:27:30,037 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 7 [2019-10-22 11:27:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:30,038 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2019-10-22 11:27:30,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2019-10-22 11:27:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:27:30,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:30,038 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:30,038 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:27:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:30,039 INFO L82 PathProgramCache]: Analyzing trace with hash 87920522, now seen corresponding path program 1 times [2019-10-22 11:27:30,039 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:30,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550489967] [2019-10-22 11:27:30,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:30,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550489967] [2019-10-22 11:27:30,098 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478194744] [2019-10-22 11:27:30,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 11:27:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:27:30,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:30,197 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:30,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1909261892] [2019-10-22 11:27:30,224 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 9 [2019-10-22 11:27:30,265 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:27:30,265 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:27:30,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:30,541 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 11:27:30,546 INFO L168 Benchmark]: Toolchain (without parser) took 2537.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 939.2 MB in the beginning and 1.0 GB in the end (delta: -66.4 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:30,547 INFO L168 Benchmark]: CDTParser took 0.18 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 11:27:30,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -215.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:30,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:30,548 INFO L168 Benchmark]: Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:30,549 INFO L168 Benchmark]: RCFGBuilder took 531.71 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:30,549 INFO L168 Benchmark]: TraceAbstraction took 1416.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:30,552 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -215.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 531.71 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1416.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 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 11:27:32,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:32,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:32,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:32,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:32,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:32,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:32,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:32,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:32,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:32,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:32,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:32,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:32,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:32,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:32,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:32,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:32,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:32,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:32,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:32,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:32,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:32,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:32,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:32,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:32,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:32,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:32,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:32,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:32,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:32,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:32,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:32,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:32,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:32,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:32,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:32,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:32,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:32,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:32,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:32,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:32,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:32,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:32,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:32,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:32,631 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:32,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:32,631 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:32,631 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:32,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:32,632 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:32,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:32,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:32,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:32,633 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:32,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:32,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:32,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:32,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:32,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:32,637 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_01f1b3dd-5225-48e4-95b7-5093342d6712/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 -> c4dc9fabe33924e39906c6080cc0d2803306eec2 [2019-10-22 11:27:32,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:32,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:32,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:32,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:32,684 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:32,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/../../sv-benchmarks/c/memsafety/20051113-1.i [2019-10-22 11:27:32,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/793774d2b/6832fde9ed264202ab4d0be10934de10/FLAG336bfc62b [2019-10-22 11:27:33,210 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:33,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/sv-benchmarks/c/memsafety/20051113-1.i [2019-10-22 11:27:33,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/793774d2b/6832fde9ed264202ab4d0be10934de10/FLAG336bfc62b [2019-10-22 11:27:33,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/bin/utaipan/data/793774d2b/6832fde9ed264202ab4d0be10934de10 [2019-10-22 11:27:33,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:33,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:33,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:33,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:33,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:33,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a14e84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:33, skipping insertion in model container [2019-10-22 11:27:33,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:33" (1/1) ... [2019-10-22 11:27:33,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:33,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:34,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:34,152 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:34,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:34,276 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:34,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34 WrapperNode [2019-10-22 11:27:34,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:34,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:34,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:34,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:34,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:34,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:34,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:34,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:34,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... [2019-10-22 11:27:34,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:34,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:34,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:34,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:34,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 11:27:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:35,121 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:35,121 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 11:27:35,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:35 BoogieIcfgContainer [2019-10-22 11:27:35,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:35,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:35,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:35,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:35,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:33" (1/3) ... [2019-10-22 11:27:35,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f9a36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:35, skipping insertion in model container [2019-10-22 11:27:35,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:34" (2/3) ... [2019-10-22 11:27:35,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f9a36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:35, skipping insertion in model container [2019-10-22 11:27:35,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:35" (3/3) ... [2019-10-22 11:27:35,130 INFO L109 eAbstractionObserver]: Analyzing ICFG 20051113-1.i [2019-10-22 11:27:35,139 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:35,146 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 49 error locations. [2019-10-22 11:27:35,154 INFO L249 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2019-10-22 11:27:35,171 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:35,171 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:35,171 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:35,171 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:35,171 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:35,172 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:35,172 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:35,172 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-10-22 11:27:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:35,190 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:35,191 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:35,192 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:35,196 INFO L82 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2019-10-22 11:27:35,202 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:35,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [90503762] [2019-10-22 11:27:35,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f1b3dd-5225-48e4-95b7-5093342d6712/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 11:27:35,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:35,438 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 11:27:35,442 INFO L168 Benchmark]: Toolchain (without parser) took 1728.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -98.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:35,443 INFO L168 Benchmark]: CDTParser took 0.31 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 11:27:35,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:35,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.35 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 11:27:35,448 INFO L168 Benchmark]: Boogie Preprocessor took 31.29 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 11:27:35,448 INFO L168 Benchmark]: RCFGBuilder took 768.99 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:35,449 INFO L168 Benchmark]: TraceAbstraction took 316.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:35,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 563.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.35 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 31.29 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 768.99 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: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 316.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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...