./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 646417a8dd8807492175439f0c109786ec3887ae ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 646417a8dd8807492175439f0c109786ec3887ae .................................................................................................................................................................................................................................................... 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 11:25:37,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:37,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:38,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:38,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:38,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:38,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:38,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:38,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:38,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:38,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:38,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:38,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:38,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:38,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:38,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:38,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:38,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:38,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:38,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:38,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:38,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:38,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:38,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:38,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:38,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:38,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:38,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:38,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:38,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:38,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:38,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:38,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:38,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:38,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:38,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:38,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:38,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:38,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:38,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:38,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:38,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:25:38,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:38,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:38,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:38,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:38,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:38,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:38,068 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:38,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:25:38,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:25:38,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:38,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:38,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:25:38,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:38,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:38,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:38,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:25:38,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:25:38,070 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:25:38,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:38,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:38,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:38,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:38,071 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:38,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:38,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:38,072 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_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 -> 646417a8dd8807492175439f0c109786ec3887ae [2019-10-22 11:25:38,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:38,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:38,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:38,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:38,120 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:38,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2019-10-22 11:25:38,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/32f846602/0bb8eac45c674511a0a0d025378d7544/FLAG43a78c837 [2019-10-22 11:25:38,607 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:38,607 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2019-10-22 11:25:38,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/32f846602/0bb8eac45c674511a0a0d025378d7544/FLAG43a78c837 [2019-10-22 11:25:38,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/32f846602/0bb8eac45c674511a0a0d025378d7544 [2019-10-22 11:25:38,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:38,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:38,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:38,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:38,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:38,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:38" (1/1) ... [2019-10-22 11:25:38,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fda6529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:38, skipping insertion in model container [2019-10-22 11:25:38,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:38" (1/1) ... [2019-10-22 11:25:38,657 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:38,688 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:39,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:39,029 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:39,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:39,126 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:39,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39 WrapperNode [2019-10-22 11:25:39,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:39,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:39,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:39,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:39,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:39,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:39,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:39,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:39,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:39,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:39,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:39,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:39,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 11:25:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:25:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:25:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:39,769 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:39,769 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:25:39,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:39 BoogieIcfgContainer [2019-10-22 11:25:39,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:39,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:39,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:39,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:39,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:38" (1/3) ... [2019-10-22 11:25:39,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a0e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:39, skipping insertion in model container [2019-10-22 11:25:39,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39" (2/3) ... [2019-10-22 11:25:39,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a0e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:39, skipping insertion in model container [2019-10-22 11:25:39,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:39" (3/3) ... [2019-10-22 11:25:39,778 INFO L109 eAbstractionObserver]: Analyzing ICFG cstrspn-alloca-1.i [2019-10-22 11:25:39,788 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:39,801 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2019-10-22 11:25:39,811 INFO L249 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2019-10-22 11:25:39,830 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:39,830 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:25:39,830 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:39,830 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:39,834 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:39,834 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:39,835 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:39,835 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-10-22 11:25:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:25:39,864 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:39,865 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:39,867 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:39,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:39,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029096, now seen corresponding path program 1 times [2019-10-22 11:25:39,878 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:39,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77377947] [2019-10-22 11:25:39,878 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:39,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:39,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,013 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 11:25:40,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77377947] [2019-10-22 11:25:40,014 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:40,015 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235856566] [2019-10-22 11:25:40,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:40,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:40,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:40,034 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 4 states. [2019-10-22 11:25:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,087 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2019-10-22 11:25:40,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:40,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:25:40,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,102 INFO L225 Difference]: With dead ends: 100 [2019-10-22 11:25:40,103 INFO L226 Difference]: Without dead ends: 96 [2019-10-22 11:25:40,107 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 11:25:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-22 11:25:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 55. [2019-10-22 11:25:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 11:25:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2019-10-22 11:25:40,142 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 7 [2019-10-22 11:25:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,142 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2019-10-22 11:25:40,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2019-10-22 11:25:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:25:40,142 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,143 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1806876138, now seen corresponding path program 1 times [2019-10-22 11:25:40,143 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557885257] [2019-10-22 11:25:40,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,185 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 11:25:40,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557885257] [2019-10-22 11:25:40,185 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,185 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:40,185 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929712381] [2019-10-22 11:25:40,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:40,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:40,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:40,188 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 3 states. [2019-10-22 11:25:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,243 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2019-10-22 11:25:40,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:40,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:25:40,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,245 INFO L225 Difference]: With dead ends: 53 [2019-10-22 11:25:40,245 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:25:40,245 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 11:25:40,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:25:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:25:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:25:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2019-10-22 11:25:40,251 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 7 [2019-10-22 11:25:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,251 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2019-10-22 11:25:40,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2019-10-22 11:25:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:25:40,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,252 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,252 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1806876139, now seen corresponding path program 1 times [2019-10-22 11:25:40,253 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653344639] [2019-10-22 11:25:40,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,320 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 11:25:40,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653344639] [2019-10-22 11:25:40,320 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:40,321 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228249120] [2019-10-22 11:25:40,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:40,321 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:40,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:40,322 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 4 states. [2019-10-22 11:25:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,527 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2019-10-22 11:25:40,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:40,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:25:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,529 INFO L225 Difference]: With dead ends: 97 [2019-10-22 11:25:40,529 INFO L226 Difference]: Without dead ends: 97 [2019-10-22 11:25:40,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-22 11:25:40,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 55. [2019-10-22 11:25:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 11:25:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2019-10-22 11:25:40,535 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 7 [2019-10-22 11:25:40,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,536 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2019-10-22 11:25:40,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2019-10-22 11:25:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:40,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,536 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,537 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,537 INFO L82 PathProgramCache]: Analyzing trace with hash -533876960, now seen corresponding path program 1 times [2019-10-22 11:25:40,537 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,537 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229310617] [2019-10-22 11:25:40,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,614 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 11:25:40,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229310617] [2019-10-22 11:25:40,615 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:40,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271346206] [2019-10-22 11:25:40,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:40,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:40,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:40,616 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 4 states. [2019-10-22 11:25:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,661 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2019-10-22 11:25:40,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:40,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:25:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,662 INFO L225 Difference]: With dead ends: 54 [2019-10-22 11:25:40,663 INFO L226 Difference]: Without dead ends: 54 [2019-10-22 11:25:40,663 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:25:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-10-22 11:25:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-10-22 11:25:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-22 11:25:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2019-10-22 11:25:40,667 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 9 [2019-10-22 11:25:40,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,668 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2019-10-22 11:25:40,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2019-10-22 11:25:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:40,668 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,669 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,669 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,669 INFO L82 PathProgramCache]: Analyzing trace with hash -533876908, now seen corresponding path program 1 times [2019-10-22 11:25:40,669 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,670 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033201716] [2019-10-22 11:25:40,670 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,670 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,704 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 11:25:40,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033201716] [2019-10-22 11:25:40,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:40,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420974368] [2019-10-22 11:25:40,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:40,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:40,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:40,707 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand 4 states. [2019-10-22 11:25:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,730 INFO L93 Difference]: Finished difference Result 98 states and 112 transitions. [2019-10-22 11:25:40,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:40,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:25:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,732 INFO L225 Difference]: With dead ends: 98 [2019-10-22 11:25:40,732 INFO L226 Difference]: Without dead ends: 98 [2019-10-22 11:25:40,732 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 11:25:40,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-22 11:25:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 65. [2019-10-22 11:25:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:25:40,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2019-10-22 11:25:40,737 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 9 [2019-10-22 11:25:40,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,738 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2019-10-22 11:25:40,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2019-10-22 11:25:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:40,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,739 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,739 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,739 INFO L82 PathProgramCache]: Analyzing trace with hash -476618606, now seen corresponding path program 1 times [2019-10-22 11:25:40,740 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129030811] [2019-10-22 11:25:40,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,782 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 11:25:40,783 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129030811] [2019-10-22 11:25:40,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:40,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740435482] [2019-10-22 11:25:40,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:25:40,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:25:40,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:25:40,784 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand 3 states. [2019-10-22 11:25:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:40,820 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2019-10-22 11:25:40,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:25:40,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 11:25:40,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:40,822 INFO L225 Difference]: With dead ends: 63 [2019-10-22 11:25:40,822 INFO L226 Difference]: Without dead ends: 63 [2019-10-22 11:25:40,822 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 11:25:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-10-22 11:25:40,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-10-22 11:25:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-10-22 11:25:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2019-10-22 11:25:40,827 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 9 [2019-10-22 11:25:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:40,827 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2019-10-22 11:25:40,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:25:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2019-10-22 11:25:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:25:40,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:40,828 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:40,828 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash -476618605, now seen corresponding path program 1 times [2019-10-22 11:25:40,829 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:40,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725661177] [2019-10-22 11:25:40,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:40,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:40,903 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 11:25:40,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725661177] [2019-10-22 11:25:40,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:40,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:25:40,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661671711] [2019-10-22 11:25:40,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:25:40,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:40,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:25:40,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:25:40,905 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand 5 states. [2019-10-22 11:25:41,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:41,013 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2019-10-22 11:25:41,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:25:41,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-10-22 11:25:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:41,014 INFO L225 Difference]: With dead ends: 98 [2019-10-22 11:25:41,014 INFO L226 Difference]: Without dead ends: 98 [2019-10-22 11:25:41,015 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:25:41,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-22 11:25:41,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 65. [2019-10-22 11:25:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 11:25:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2019-10-22 11:25:41,020 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 9 [2019-10-22 11:25:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:41,020 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2019-10-22 11:25:41,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:25:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2019-10-22 11:25:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:25:41,021 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:41,021 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:41,021 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:41,021 INFO L82 PathProgramCache]: Analyzing trace with hash 629683418, now seen corresponding path program 1 times [2019-10-22 11:25:41,021 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:41,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512592516] [2019-10-22 11:25:41,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:41,122 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 11:25:41,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512592516] [2019-10-22 11:25:41,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:41,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:41,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030770611] [2019-10-22 11:25:41,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:41,124 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:41,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:41,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:41,124 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 4 states. [2019-10-22 11:25:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:41,166 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2019-10-22 11:25:41,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:41,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:25:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:41,168 INFO L225 Difference]: With dead ends: 96 [2019-10-22 11:25:41,168 INFO L226 Difference]: Without dead ends: 96 [2019-10-22 11:25:41,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:25:41,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-22 11:25:41,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 67. [2019-10-22 11:25:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 11:25:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2019-10-22 11:25:41,173 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 80 transitions. Word has length 10 [2019-10-22 11:25:41,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:41,173 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 80 transitions. [2019-10-22 11:25:41,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2019-10-22 11:25:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:25:41,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:41,175 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:41,175 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:41,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:41,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1890276516, now seen corresponding path program 1 times [2019-10-22 11:25:41,175 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:41,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332510370] [2019-10-22 11:25:41,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:41,225 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 11:25:41,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332510370] [2019-10-22 11:25:41,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:41,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:25:41,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355308170] [2019-10-22 11:25:41,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:25:41,226 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:41,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:25:41,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:25:41,227 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. Second operand 4 states. [2019-10-22 11:25:41,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:41,261 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2019-10-22 11:25:41,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:25:41,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:25:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:41,262 INFO L225 Difference]: With dead ends: 66 [2019-10-22 11:25:41,262 INFO L226 Difference]: Without dead ends: 66 [2019-10-22 11:25:41,262 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 11:25:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-22 11:25:41,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2019-10-22 11:25:41,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:25:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2019-10-22 11:25:41,267 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 10 [2019-10-22 11:25:41,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:41,267 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2019-10-22 11:25:41,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:25:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2019-10-22 11:25:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:25:41,268 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:41,268 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:41,268 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:41,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:41,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1226025170, now seen corresponding path program 1 times [2019-10-22 11:25:41,269 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:41,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294547885] [2019-10-22 11:25:41,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:41,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294547885] [2019-10-22 11:25:41,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640484796] [2019-10-22 11:25:41,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 11:25:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:41,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 11:25:41,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:25:41,433 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_22|], 1=[|v_#valid_30|]} [2019-10-22 11:25:41,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 11:25:41,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-10-22 11:25:41,465 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:41,478 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:41,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-10-22 11:25:41,487 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:25:41,498 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:25:41,499 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:25:41,500 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:24, output treesize:12 [2019-10-22 11:25:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:41,515 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:25:41,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:25:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:41,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [49601642] [2019-10-22 11:25:41,580 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 12 [2019-10-22 11:25:41,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:25:41,626 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:25:41,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:25:41,910 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 11:25:41,915 INFO L168 Benchmark]: Toolchain (without parser) took 3275.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 913.7 MB in the end (delta: 30.8 MB). Peak memory consumption was 191.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,915 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:41,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.32 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 11:25:41,917 INFO L168 Benchmark]: Boogie Preprocessor took 42.66 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,917 INFO L168 Benchmark]: RCFGBuilder took 550.22 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,918 INFO L168 Benchmark]: TraceAbstraction took 2142.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 193.6 MB). Peak memory consumption was 193.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 486.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.32 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 42.66 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 550.22 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2142.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.7 MB in the end (delta: 193.6 MB). Peak memory consumption was 193.6 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 11:25:44,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:44,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:44,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:44,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:44,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:44,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:44,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:44,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:44,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:44,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:44,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:44,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:44,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:44,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:44,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:44,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:44,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:44,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:44,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:44,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:44,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:44,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:44,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:44,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:44,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:44,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:44,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:44,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:44,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:44,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:44,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:44,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:44,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:44,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:44,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:44,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:44,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:44,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:44,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:44,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:44,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:25:44,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:44,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:44,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:44,247 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:44,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:44,248 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:44,248 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:44,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:44,248 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:44,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:25:44,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:25:44,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:44,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:44,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:25:44,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:44,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:44,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:44,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:25:44,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:44,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:25:44,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:44,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:44,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:44,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:44,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:44,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:44,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:44,253 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:25:44,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:25:44,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:44,254 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_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 -> 646417a8dd8807492175439f0c109786ec3887ae [2019-10-22 11:25:44,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:44,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:44,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:44,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:44,317 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:44,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2019-10-22 11:25:44,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/9a03ef651/ea250413743c4fe1877cdfab398e7051/FLAGdf4e52001 [2019-10-22 11:25:44,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:44,831 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2019-10-22 11:25:44,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/9a03ef651/ea250413743c4fe1877cdfab398e7051/FLAGdf4e52001 [2019-10-22 11:25:45,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/bin/utaipan/data/9a03ef651/ea250413743c4fe1877cdfab398e7051 [2019-10-22 11:25:45,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:45,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:45,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:45,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:45,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:45,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c277aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45, skipping insertion in model container [2019-10-22 11:25:45,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,185 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:45,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:45,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:45,717 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:45,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:45,837 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:45,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45 WrapperNode [2019-10-22 11:25:45,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:45,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:45,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:45,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:45,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:45,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:45,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:45,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:45,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... [2019-10-22 11:25:45,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:45,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:45,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:45,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:45,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 11:25:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:25:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:25:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 11:25:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:46,496 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:46,496 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 11:25:46,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:46 BoogieIcfgContainer [2019-10-22 11:25:46,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:46,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:46,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:46,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:45" (1/3) ... [2019-10-22 11:25:46,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdd1de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:46, skipping insertion in model container [2019-10-22 11:25:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:45" (2/3) ... [2019-10-22 11:25:46,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdd1de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:46, skipping insertion in model container [2019-10-22 11:25:46,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:46" (3/3) ... [2019-10-22 11:25:46,506 INFO L109 eAbstractionObserver]: Analyzing ICFG cstrspn-alloca-1.i [2019-10-22 11:25:46,517 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:46,524 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2019-10-22 11:25:46,537 INFO L249 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2019-10-22 11:25:46,560 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:46,560 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:25:46,560 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:46,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:46,561 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:46,561 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:46,561 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:46,561 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2019-10-22 11:25:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:25:46,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:46,582 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:25:46,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:25:46,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:46,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029096, now seen corresponding path program 1 times [2019-10-22 11:25:46,598 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:25:46,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [531856462] [2019-10-22 11:25:46,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd79d156-eb69-461f-a0a5-99c8acf4d96d/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 11:25:46,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:25:46,839 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 11:25:46,850 INFO L168 Benchmark]: Toolchain (without parser) took 1681.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:46,852 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:46,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:46,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.03 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:46,856 INFO L168 Benchmark]: Boogie Preprocessor took 30.81 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 11:25:46,857 INFO L168 Benchmark]: RCFGBuilder took 577.51 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:46,857 INFO L168 Benchmark]: TraceAbstraction took 349.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:46,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 670.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.03 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.81 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 577.51 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 349.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * 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...