./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 ec44769dd8ec2458ec6b2661de33ae1a5c9404da ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 ec44769dd8ec2458ec6b2661de33ae1a5c9404da .................................................................................................................................................................................................................................................... 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 11:23:46,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:46,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:46,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:46,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:46,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:46,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:46,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:46,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:46,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:46,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:46,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:46,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:46,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:46,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:46,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:46,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:46,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:46,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:46,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:46,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:46,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:46,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:46,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:46,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:46,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:46,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:46,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:46,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:46,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:46,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:46,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:46,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:46,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:46,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:46,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:46,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:46,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:46,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:46,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:46,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:46,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:23:46,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:46,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:46,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:46,698 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:46,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:46,698 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:46,699 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:46,699 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:46,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:46,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:46,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:46,700 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:46,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:46,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:46,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:46,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:46,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:46,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:46,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:46,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:46,702 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:46,703 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:46,703 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:46,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:46,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:46,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:46,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:46,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:46,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:46,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:46,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:46,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:46,705 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:46,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:46,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:46,706 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_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 -> ec44769dd8ec2458ec6b2661de33ae1a5c9404da [2019-10-22 11:23:46,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:46,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:46,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:46,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:46,764 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:46,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:46,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/e7d710ec7/c8d1fca46eff4ba88824d6fb2f20b368/FLAG7fa09ed74 [2019-10-22 11:23:47,273 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:47,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:47,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/e7d710ec7/c8d1fca46eff4ba88824d6fb2f20b368/FLAG7fa09ed74 [2019-10-22 11:23:47,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/e7d710ec7/c8d1fca46eff4ba88824d6fb2f20b368 [2019-10-22 11:23:47,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:47,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:47,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:47,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:47,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:47,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a3561c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47, skipping insertion in model container [2019-10-22 11:23:47,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,327 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:47,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:47,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:47,719 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:47,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:47,834 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47 WrapperNode [2019-10-22 11:23:47,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:47,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:47,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:47,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:47,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:47,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:47,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:47,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:47,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... [2019-10-22 11:23:47,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:47,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:47,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:47,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:47,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 11:23:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:48,373 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:48,373 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:23:48,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:48 BoogieIcfgContainer [2019-10-22 11:23:48,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:48,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:48,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:48,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:48,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:47" (1/3) ... [2019-10-22 11:23:48,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f918ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:48, skipping insertion in model container [2019-10-22 11:23:48,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:47" (2/3) ... [2019-10-22 11:23:48,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f918ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:48, skipping insertion in model container [2019-10-22 11:23:48,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:48" (3/3) ... [2019-10-22 11:23:48,382 INFO L109 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:48,391 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:48,400 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-10-22 11:23:48,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-10-22 11:23:48,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:48,439 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:48,440 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:48,440 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:48,440 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:48,440 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:48,440 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:48,440 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-10-22 11:23:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:48,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,468 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,470 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:48,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029043, now seen corresponding path program 1 times [2019-10-22 11:23:48,485 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767244253] [2019-10-22 11:23:48,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,662 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 11:23:48,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767244253] [2019-10-22 11:23:48,663 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,663 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:48,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13112740] [2019-10-22 11:23:48,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:48,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:48,681 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2019-10-22 11:23:48,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,738 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2019-10-22 11:23:48,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:48,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:23:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,749 INFO L225 Difference]: With dead ends: 36 [2019-10-22 11:23:48,749 INFO L226 Difference]: Without dead ends: 34 [2019-10-22 11:23:48,751 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 11:23:48,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-22 11:23:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-22 11:23:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-22 11:23:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2019-10-22 11:23:48,799 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 7 [2019-10-22 11:23:48,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,799 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2019-10-22 11:23:48,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-10-22 11:23:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:48,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,800 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:48,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029044, now seen corresponding path program 1 times [2019-10-22 11:23:48,801 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052762093] [2019-10-22 11:23:48,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,880 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 11:23:48,880 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052762093] [2019-10-22 11:23:48,880 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:48,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782060951] [2019-10-22 11:23:48,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:48,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:48,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:48,883 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand 4 states. [2019-10-22 11:23:48,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,921 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-10-22 11:23:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:48,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:23:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,922 INFO L225 Difference]: With dead ends: 33 [2019-10-22 11:23:48,923 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 11:23:48,923 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 11:23:48,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 11:23:48,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 11:23:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 11:23:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2019-10-22 11:23:48,927 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 7 [2019-10-22 11:23:48,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,928 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2019-10-22 11:23:48,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-10-22 11:23:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:48,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,928 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,929 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029097, now seen corresponding path program 1 times [2019-10-22 11:23:48,929 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181341113] [2019-10-22 11:23:48,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,999 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 11:23:48,999 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181341113] [2019-10-22 11:23:48,999 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:48,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255233716] [2019-10-22 11:23:49,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:49,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:49,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:49,001 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 4 states. [2019-10-22 11:23:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,025 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2019-10-22 11:23:49,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:49,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:23:49,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,029 INFO L225 Difference]: With dead ends: 59 [2019-10-22 11:23:49,029 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 11:23:49,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 11:23:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 11:23:49,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 36. [2019-10-22 11:23:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-22 11:23:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2019-10-22 11:23:49,035 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 7 [2019-10-22 11:23:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,035 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2019-10-22 11:23:49,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2019-10-22 11:23:49,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:49,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,036 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:49,036 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1806876139, now seen corresponding path program 1 times [2019-10-22 11:23:49,037 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399621034] [2019-10-22 11:23:49,038 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,093 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 11:23:49,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399621034] [2019-10-22 11:23:49,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:49,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275790667] [2019-10-22 11:23:49,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:49,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:49,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:49,095 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand 4 states. [2019-10-22 11:23:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,205 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2019-10-22 11:23:49,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:49,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:23:49,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,207 INFO L225 Difference]: With dead ends: 63 [2019-10-22 11:23:49,207 INFO L226 Difference]: Without dead ends: 63 [2019-10-22 11:23:49,209 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 11:23:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-10-22 11:23:49,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 38. [2019-10-22 11:23:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-10-22 11:23:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2019-10-22 11:23:49,213 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 7 [2019-10-22 11:23:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,213 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2019-10-22 11:23:49,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2019-10-22 11:23:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:23:49,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,214 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:49,215 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1954751785, now seen corresponding path program 1 times [2019-10-22 11:23:49,215 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273604924] [2019-10-22 11:23:49,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,283 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 11:23:49,283 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273604924] [2019-10-22 11:23:49,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:49,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963235999] [2019-10-22 11:23:49,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:49,284 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:49,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:49,285 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 6 states. [2019-10-22 11:23:49,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,424 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-10-22 11:23:49,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:49,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-22 11:23:49,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,426 INFO L225 Difference]: With dead ends: 39 [2019-10-22 11:23:49,426 INFO L226 Difference]: Without dead ends: 39 [2019-10-22 11:23:49,426 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-22 11:23:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2019-10-22 11:23:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-22 11:23:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2019-10-22 11:23:49,429 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 11 [2019-10-22 11:23:49,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,430 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2019-10-22 11:23:49,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2019-10-22 11:23:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:23:49,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,431 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:49,431 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:49,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1954751784, now seen corresponding path program 1 times [2019-10-22 11:23:49,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978197364] [2019-10-22 11:23:49,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,569 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 11:23:49,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978197364] [2019-10-22 11:23:49,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:23:49,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335826046] [2019-10-22 11:23:49,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:49,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:49,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:49,571 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand 8 states. [2019-10-22 11:23:49,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,736 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2019-10-22 11:23:49,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:23:49,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-10-22 11:23:49,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,737 INFO L225 Difference]: With dead ends: 43 [2019-10-22 11:23:49,737 INFO L226 Difference]: Without dead ends: 43 [2019-10-22 11:23:49,738 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:23:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-22 11:23:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2019-10-22 11:23:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 11:23:49,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2019-10-22 11:23:49,741 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 11 [2019-10-22 11:23:49,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,744 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2019-10-22 11:23:49,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2019-10-22 11:23:49,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:23:49,744 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,744 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:49,745 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:49,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1226025170, now seen corresponding path program 1 times [2019-10-22 11:23:49,745 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,745 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908050827] [2019-10-22 11:23:49,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,746 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,855 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 11:23:49,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908050827] [2019-10-22 11:23:49,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51405565] [2019-10-22 11:23:49,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 11:23:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:23:49,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:50,002 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:23:50,002 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-10-22 11:23:50,003 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:23:50,028 INFO L567 ElimStorePlain]: treesize reduction 10, result has 67.7 percent of original size [2019-10-22 11:23:50,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:23:50,029 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:12 [2019-10-22 11:23:50,048 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 11:23:50,048 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:50,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:50,114 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 11:23:50,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1493803287] [2019-10-22 11:23:50,129 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 12 [2019-10-22 11:23:50,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:23:50,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:23:50,459 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:50,459 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 11:23:50,464 INFO L168 Benchmark]: Toolchain (without parser) took 3155.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.0 MB in the beginning and 944.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 138.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:50,464 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:50,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:50,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:50,466 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 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 11:23:50,467 INFO L168 Benchmark]: RCFGBuilder took 448.71 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:50,467 INFO L168 Benchmark]: TraceAbstraction took 2087.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.8 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:50,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 525.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.32 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. * RCFGBuilder took 448.71 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2087.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.8 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 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 11:23:52,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:52,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:52,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:52,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:52,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:52,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:52,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:52,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:52,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:52,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:52,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:52,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:52,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:52,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:52,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:52,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:52,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:52,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:52,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:52,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:52,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:52,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:52,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:52,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:52,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:52,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:52,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:52,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:52,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:52,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:52,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:52,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:52,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:52,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:52,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:52,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:52,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:52,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:52,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:52,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:52,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:52,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:52,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:52,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:52,664 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:52,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:52,665 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:52,665 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:52,665 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:52,665 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:52,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:52,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:52,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:52,667 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:52,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:52,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:52,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:52,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:52,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:52,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:52,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:52,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:52,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:52,671 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:52,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:52,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:52,671 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_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 -> ec44769dd8ec2458ec6b2661de33ae1a5c9404da [2019-10-22 11:23:52,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:52,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:52,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:52,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:52,718 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:52,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:52,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/15b6000ca/bce17d5f3d684f788498781fb324243e/FLAGff7fa220d [2019-10-22 11:23:53,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:53,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:53,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/15b6000ca/bce17d5f3d684f788498781fb324243e/FLAGff7fa220d [2019-10-22 11:23:53,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/bin/utaipan/data/15b6000ca/bce17d5f3d684f788498781fb324243e [2019-10-22 11:23:53,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:53,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:53,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:53,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:53,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:53,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d26fa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53, skipping insertion in model container [2019-10-22 11:23:53,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,256 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:53,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:53,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:53,648 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:53,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:53,756 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:53,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53 WrapperNode [2019-10-22 11:23:53,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:53,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:53,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:53,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:53,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:53,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:53,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:53,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:53,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... [2019-10-22 11:23:53,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:53,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:53,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:53,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:53,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 11:23:53,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:23:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 11:23:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:53,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:53,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:54,276 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:54,277 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 11:23:54,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:54 BoogieIcfgContainer [2019-10-22 11:23:54,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:54,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:54,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:54,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:54,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:53" (1/3) ... [2019-10-22 11:23:54,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34631b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:54, skipping insertion in model container [2019-10-22 11:23:54,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:53" (2/3) ... [2019-10-22 11:23:54,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34631b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:54, skipping insertion in model container [2019-10-22 11:23:54,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:54" (3/3) ... [2019-10-22 11:23:54,285 INFO L109 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-2.i [2019-10-22 11:23:54,295 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:54,313 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-10-22 11:23:54,345 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-10-22 11:23:54,364 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:54,364 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:54,364 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:54,365 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:54,365 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:54,365 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:54,365 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:54,365 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-10-22 11:23:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:54,384 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:54,385 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:54,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION]=== [2019-10-22 11:23:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:54,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029043, now seen corresponding path program 1 times [2019-10-22 11:23:54,404 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:54,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1260583523] [2019-10-22 11:23:54,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4f9eee4d-3876-4741-9352-45b23d12e9a1/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 11:23:54,661 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:54,662 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 11:23:54,666 INFO L168 Benchmark]: Toolchain (without parser) took 1425.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:54,667 INFO L168 Benchmark]: CDTParser took 0.23 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 11:23:54,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -215.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:54,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:54,668 INFO L168 Benchmark]: Boogie Preprocessor took 31.30 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 11:23:54,672 INFO L168 Benchmark]: RCFGBuilder took 433.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:54,672 INFO L168 Benchmark]: TraceAbstraction took 385.70 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:54,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 515.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -215.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 385.70 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: 11.9 MB). Peak memory consumption was 11.9 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...