./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c172e82b435756efbbcf3396e72051c66081518f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Non-integral value with integer sort --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:58:37,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:58:37,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:58:37,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:58:37,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:58:37,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:58:37,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:58:37,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:58:37,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:58:37,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:58:37,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:58:37,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:58:37,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:58:37,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:58:37,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:58:37,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:58:37,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:58:37,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:58:37,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:58:37,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:58:37,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:58:37,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:58:37,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:58:37,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:58:37,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:58:37,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:58:37,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:58:37,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:58:37,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:58:37,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:58:37,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:58:37,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:58:37,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:58:37,880 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:58:37,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:58:37,881 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:58:37,881 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-18 15:58:37,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:58:37,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:58:37,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:58:37,892 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:58:37,892 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:58:37,892 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:58:37,892 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:58:37,892 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:58:37,892 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:58:37,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:58:37,893 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:58:37,893 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:58:37,894 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:58:37,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:58:37,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:58:37,894 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:58:37,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:58:37,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:58:37,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:58:37,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:58:37,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:58:37,898 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:58:37,898 INFO L133 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_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/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 ! overflow) ) 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 -> c172e82b435756efbbcf3396e72051c66081518f [2018-11-18 15:58:37,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:58:37,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:58:37,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:58:37,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:58:37,929 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:58:37,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i [2018-11-18 15:58:37,962 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/data/6569ee5ae/acbce918ab6e4c72b30960499d5ea1b4/FLAGb6641c8be [2018-11-18 15:58:38,257 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:58:38,257 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/sv-benchmarks/c/bitvector/byte_add_1_false-no-overflow.i [2018-11-18 15:58:38,261 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/data/6569ee5ae/acbce918ab6e4c72b30960499d5ea1b4/FLAGb6641c8be [2018-11-18 15:58:38,269 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/utaipan/data/6569ee5ae/acbce918ab6e4c72b30960499d5ea1b4 [2018-11-18 15:58:38,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:58:38,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:58:38,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:38,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:58:38,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:58:38,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38, skipping insertion in model container [2018-11-18 15:58:38,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:58:38,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:58:38,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:38,409 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:58:38,431 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:38,439 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:58:38,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38 WrapperNode [2018-11-18 15:58:38,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:38,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:38,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:58:38,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:58:38,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:38,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:58:38,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:58:38,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:58:38,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... [2018-11-18 15:58:38,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:58:38,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:58:38,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:58:38,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:58:38,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb73bcd4-6a3c-4374-ab1b-e3b61b8c7de0/bin-2019/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 [2018-11-18 15:58:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure mp_add [2018-11-18 15:58:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mp_add [2018-11-18 15:58:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:58:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:58:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:58:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:58:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:58:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:58:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 15:58:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 15:58:38,880 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:58:38,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:58:38 BoogieIcfgContainer [2018-11-18 15:58:38,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:58:38,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:58:38,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:58:38,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:58:38,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:58:38" (1/3) ... [2018-11-18 15:58:38,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e011784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:58:38, skipping insertion in model container [2018-11-18 15:58:38,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:38" (2/3) ... [2018-11-18 15:58:38,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e011784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:58:38, skipping insertion in model container [2018-11-18 15:58:38,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:58:38" (3/3) ... [2018-11-18 15:58:38,886 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1_false-no-overflow.i [2018-11-18 15:58:38,894 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:58:38,901 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2018-11-18 15:58:38,914 INFO L257 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2018-11-18 15:58:38,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:58:38,942 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:58:38,942 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:58:38,942 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:58:38,942 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:58:38,943 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:58:38,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:58:38,943 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:58:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-18 15:58:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:58:38,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:38,963 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:38,964 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:38,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:38,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1564523809, now seen corresponding path program 1 times [2018-11-18 15:58:38,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:39,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:39,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:39,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:39,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-18 15:58:39,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:39,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:58:39,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:58:39,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:58:39,083 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-18 15:58:39,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:39,102 INFO L93 Difference]: Finished difference Result 157 states and 200 transitions. [2018-11-18 15:58:39,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:58:39,103 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-18 15:58:39,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:39,111 INFO L225 Difference]: With dead ends: 157 [2018-11-18 15:58:39,111 INFO L226 Difference]: Without dead ends: 76 [2018-11-18 15:58:39,114 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:58:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-18 15:58:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-11-18 15:58:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-18 15:58:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2018-11-18 15:58:39,141 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 9 [2018-11-18 15:58:39,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:39,141 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2018-11-18 15:58:39,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:58:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2018-11-18 15:58:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 15:58:39,142 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:39,142 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:39,143 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:39,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1377991052, now seen corresponding path program 1 times [2018-11-18 15:58:39,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:39,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:39,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:39,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:39,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:58:39,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:39,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:58:39,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:58:39,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:39,220 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 3 states. [2018-11-18 15:58:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:39,350 INFO L93 Difference]: Finished difference Result 156 states and 223 transitions. [2018-11-18 15:58:39,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:58:39,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-18 15:58:39,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:39,352 INFO L225 Difference]: With dead ends: 156 [2018-11-18 15:58:39,352 INFO L226 Difference]: Without dead ends: 107 [2018-11-18 15:58:39,352 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-11-18 15:58:39,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2018-11-18 15:58:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-18 15:58:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 133 transitions. [2018-11-18 15:58:39,358 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 133 transitions. Word has length 20 [2018-11-18 15:58:39,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:39,358 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 133 transitions. [2018-11-18 15:58:39,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:58:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2018-11-18 15:58:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 15:58:39,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:39,360 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:39,361 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:39,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:39,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1088504138, now seen corresponding path program 1 times [2018-11-18 15:58:39,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:39,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:39,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:58:39,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:39,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:58:39,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:39,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:58:39,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:58:39,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:58:39,447 INFO L87 Difference]: Start difference. First operand 103 states and 133 transitions. Second operand 4 states. [2018-11-18 15:58:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:39,630 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2018-11-18 15:58:39,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:58:39,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-11-18 15:58:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:39,632 INFO L225 Difference]: With dead ends: 227 [2018-11-18 15:58:39,632 INFO L226 Difference]: Without dead ends: 178 [2018-11-18 15:58:39,632 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:58:39,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-11-18 15:58:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2018-11-18 15:58:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 15:58:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 172 transitions. [2018-11-18 15:58:39,642 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 172 transitions. Word has length 28 [2018-11-18 15:58:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:39,642 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 172 transitions. [2018-11-18 15:58:39,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:58:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 172 transitions. [2018-11-18 15:58:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 15:58:39,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:39,643 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:39,644 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:39,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:39,645 INFO L82 PathProgramCache]: Analyzing trace with hash 48430116, now seen corresponding path program 1 times [2018-11-18 15:58:39,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:39,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:39,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,646 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:58:39,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:39,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:58:39,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:39,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:58:39,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:58:39,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:58:39,746 INFO L87 Difference]: Start difference. First operand 130 states and 172 transitions. Second operand 4 states. [2018-11-18 15:58:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:39,920 INFO L93 Difference]: Finished difference Result 331 states and 464 transitions. [2018-11-18 15:58:39,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:58:39,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2018-11-18 15:58:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:39,922 INFO L225 Difference]: With dead ends: 331 [2018-11-18 15:58:39,923 INFO L226 Difference]: Without dead ends: 235 [2018-11-18 15:58:39,923 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:58:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-18 15:58:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 171. [2018-11-18 15:58:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-18 15:58:39,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 235 transitions. [2018-11-18 15:58:39,934 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 235 transitions. Word has length 36 [2018-11-18 15:58:39,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:39,935 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 235 transitions. [2018-11-18 15:58:39,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:58:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 235 transitions. [2018-11-18 15:58:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 15:58:39,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:39,936 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:39,937 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:39,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:39,937 INFO L82 PathProgramCache]: Analyzing trace with hash 740020430, now seen corresponding path program 1 times [2018-11-18 15:58:39,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:39,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:39,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:39,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 15:58:40,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:40,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:58:40,014 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:40,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:58:40,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:58:40,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:58:40,015 INFO L87 Difference]: Start difference. First operand 171 states and 235 transitions. Second operand 5 states. [2018-11-18 15:58:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:40,180 INFO L93 Difference]: Finished difference Result 482 states and 665 transitions. [2018-11-18 15:58:40,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:58:40,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-18 15:58:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:40,182 INFO L225 Difference]: With dead ends: 482 [2018-11-18 15:58:40,182 INFO L226 Difference]: Without dead ends: 342 [2018-11-18 15:58:40,183 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:58:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-11-18 15:58:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 185. [2018-11-18 15:58:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-11-18 15:58:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 252 transitions. [2018-11-18 15:58:40,197 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 252 transitions. Word has length 44 [2018-11-18 15:58:40,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:40,198 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 252 transitions. [2018-11-18 15:58:40,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:58:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 252 transitions. [2018-11-18 15:58:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 15:58:40,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:40,199 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:40,200 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:40,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:40,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1510638398, now seen corresponding path program 1 times [2018-11-18 15:58:40,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:40,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:40,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:58:40,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:40,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:58:40,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:40,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:58:40,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:58:40,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:58:40,284 INFO L87 Difference]: Start difference. First operand 185 states and 252 transitions. Second operand 5 states. [2018-11-18 15:58:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:40,304 INFO L93 Difference]: Finished difference Result 323 states and 446 transitions. [2018-11-18 15:58:40,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:58:40,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-18 15:58:40,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:40,306 INFO L225 Difference]: With dead ends: 323 [2018-11-18 15:58:40,306 INFO L226 Difference]: Without dead ends: 160 [2018-11-18 15:58:40,307 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:58:40,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-18 15:58:40,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-11-18 15:58:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-18 15:58:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2018-11-18 15:58:40,313 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 219 transitions. Word has length 47 [2018-11-18 15:58:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:40,313 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 219 transitions. [2018-11-18 15:58:40,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:58:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2018-11-18 15:58:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:58:40,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:40,315 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:40,316 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:40,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:40,316 INFO L82 PathProgramCache]: Analyzing trace with hash -334415689, now seen corresponding path program 1 times [2018-11-18 15:58:40,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:40,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:40,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:58:40,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:58:40,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:58:40,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:40,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:58:40,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:58:40,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:40,375 INFO L87 Difference]: Start difference. First operand 160 states and 219 transitions. Second operand 3 states. [2018-11-18 15:58:40,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:40,383 INFO L93 Difference]: Finished difference Result 223 states and 305 transitions. [2018-11-18 15:58:40,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:58:40,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:58:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:40,385 INFO L225 Difference]: With dead ends: 223 [2018-11-18 15:58:40,385 INFO L226 Difference]: Without dead ends: 190 [2018-11-18 15:58:40,385 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:58:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-11-18 15:58:40,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-11-18 15:58:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-18 15:58:40,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 260 transitions. [2018-11-18 15:58:40,393 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 260 transitions. Word has length 53 [2018-11-18 15:58:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:40,393 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 260 transitions. [2018-11-18 15:58:40,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:58:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2018-11-18 15:58:40,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:58:40,395 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:40,395 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:40,396 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mp_addErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr37ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, mp_addErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:58:40,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash -59656075, now seen corresponding path program 1 times [2018-11-18 15:58:40,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:40,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:40,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:40,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:58:40,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:58:40,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:58:40,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 54 with the following transitions: [2018-11-18 15:58:40,564 INFO L202 CegarAbsIntRunner]: [0], [29], [31], [60], [62], [66], [70], [72], [75], [78], [80], [82], [94], [104], [114], [163], [169], [173], [181], [187], [193], [196], [198], [204], [208], [210], [215], [219], [221], [225], [227], [233], [236], [238], [243], [245], [247], [249], [250], [255], [259], [275], [276], [277], [279] [2018-11-18 15:58:40,593 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:58:40,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:58:40,693 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:58:40,694 INFO L272 AbstractInterpreter]: Visited 22 different actions 22 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 4. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 22 variables. [2018-11-18 15:58:40,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:40,698 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:58:40,705 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Non-integral value with integer sort at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Non-integral value with integer sort at de.uni_freiburg.informatik.ultimate.logic.Theory.constant(Theory.java:419) at de.uni_freiburg.informatik.ultimate.logic.Rational.toTerm(Rational.java:918) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.rational2Term(SmtUtils.java:1523) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.getTerm(ExplicitValueValue.java:262) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalState.getTerm(NonrelationalState.java:930) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainState.lambda$8(CompoundDomainState.java:224) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainState.getTerm(CompoundDomainState.java:224) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanAbstractState.getTerm(PoormanAbstractState.java:162) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$11(DisjunctiveAbstractState.java:235) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.Iterator.forEachRemaining(Iterator.java:116) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.getTerm(DisjunctiveAbstractState.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getNonUnifiedPredicateFromStates(CegarAbsIntRunner.java:589) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.generateAbsIntPredicates(CegarAbsIntRunner.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.createInterpolantGenerator(CegarAbsIntRunner.java:400) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntCurrentIteration.getInterpolantGenerator(CegarAbsIntRunner.java:384) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.getInterpolantGenerator(CegarAbsIntRunner.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-18 15:58:40,707 INFO L168 Benchmark]: Toolchain (without parser) took 2436.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 959.1 MB in the beginning and 865.7 MB in the end (delta: 93.5 MB). Peak memory consumption was 267.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:40,708 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:58:40,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.52 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:40,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.86 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:58:40,709 INFO L168 Benchmark]: Boogie Preprocessor took 58.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:40,710 INFO L168 Benchmark]: RCFGBuilder took 362.31 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: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:40,710 INFO L168 Benchmark]: TraceAbstraction took 1825.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.7 MB in the end (delta: 265.9 MB). Peak memory consumption was 265.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:58:40,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.52 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.86 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -223.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.31 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: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1825.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.7 MB in the end (delta: 265.9 MB). Peak memory consumption was 265.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Non-integral value with integer sort de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Non-integral value with integer sort: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...