./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive/Addition03-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/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 dc212c6f03bbd9a964d699fa8baa949beea27f48 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/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: inappropriate decl info IMPLEMENTATION --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:09,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:09,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:09,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:09,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:09,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:09,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:09,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:09,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:09,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:09,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:09,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:09,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:09,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:09,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:09,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:09,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:09,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:09,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:09,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:09,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:09,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:09,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:09,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:09,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:09,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:09,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:09,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:09,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:09,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:09,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:09,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:09,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:09,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:09,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:09,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:09,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:09,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:09,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:09,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:09,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:09,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:22:09,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:09,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:09,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:09,815 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:09,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:09,816 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:09,816 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:09,816 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:09,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:09,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:09,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:09,817 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:09,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:09,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:09,819 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:09,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:09,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:09,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:09,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:09,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:09,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:09,821 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:22:09,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:09,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:09,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:09,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:09,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:09,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:09,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:09,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:09,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:09,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:09,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:09,824 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:09,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:09,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:09,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:09,825 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_f2b4ed09-6664-4417-9ba2-1352b2e64a73/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 ! 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 -> dc212c6f03bbd9a964d699fa8baa949beea27f48 [2019-10-22 11:22:09,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:09,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:09,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:09,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:09,872 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:09,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/../../sv-benchmarks/c/recursive/Addition03-1.c [2019-10-22 11:22:09,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/data/7d6ca806b/7f29602697a8472bbd0e9493c5170fc5/FLAGed501e0a5 [2019-10-22 11:22:10,327 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:10,329 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/sv-benchmarks/c/recursive/Addition03-1.c [2019-10-22 11:22:10,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/data/7d6ca806b/7f29602697a8472bbd0e9493c5170fc5/FLAGed501e0a5 [2019-10-22 11:22:10,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/bin/utaipan/data/7d6ca806b/7f29602697a8472bbd0e9493c5170fc5 [2019-10-22 11:22:10,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:10,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:10,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:10,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:10,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:10,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7865086a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10, skipping insertion in model container [2019-10-22 11:22:10,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:10,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:10,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:10,560 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:10,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:10,664 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:10,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10 WrapperNode [2019-10-22 11:22:10,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:10,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:10,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:10,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:10,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:10,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:10,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:10,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:10,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... [2019-10-22 11:22:10,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:10,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:10,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:10,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:10,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/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 11:22:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2019-10-22 11:22:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2019-10-22 11:22:11,089 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:11,090 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 11:22:11,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:11 BoogieIcfgContainer [2019-10-22 11:22:11,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:11,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:11,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:11,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:11,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:10" (1/3) ... [2019-10-22 11:22:11,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20500684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:11, skipping insertion in model container [2019-10-22 11:22:11,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:10" (2/3) ... [2019-10-22 11:22:11,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20500684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:11, skipping insertion in model container [2019-10-22 11:22:11,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:11" (3/3) ... [2019-10-22 11:22:11,110 INFO L109 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2019-10-22 11:22:11,121 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:11,129 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-10-22 11:22:11,142 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-10-22 11:22:11,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:11,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:11,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:11,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:11,169 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:11,169 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:11,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:11,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-10-22 11:22:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:11,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:11,195 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:11,204 INFO L410 AbstractCegarLoop]: === Iteration 1 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:11,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:11,210 INFO L82 PathProgramCache]: Analyzing trace with hash 960896885, now seen corresponding path program 1 times [2019-10-22 11:22:11,221 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:11,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801610003] [2019-10-22 11:22:11,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:11,450 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 11:22:11,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801610003] [2019-10-22 11:22:11,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:11,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:11,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789696474] [2019-10-22 11:22:11,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:11,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:11,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:11,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:11,473 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 5 states. [2019-10-22 11:22:11,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:11,612 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2019-10-22 11:22:11,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:11,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-10-22 11:22:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:11,624 INFO L225 Difference]: With dead ends: 63 [2019-10-22 11:22:11,624 INFO L226 Difference]: Without dead ends: 44 [2019-10-22 11:22:11,627 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-10-22 11:22:11,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2019-10-22 11:22:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-22 11:22:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2019-10-22 11:22:11,665 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 6 [2019-10-22 11:22:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:11,666 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2019-10-22 11:22:11,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2019-10-22 11:22:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:22:11,667 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:11,667 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:11,667 INFO L410 AbstractCegarLoop]: === Iteration 2 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:11,668 INFO L82 PathProgramCache]: Analyzing trace with hash -276967582, now seen corresponding path program 1 times [2019-10-22 11:22:11,668 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:11,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111433727] [2019-10-22 11:22:11,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:11,707 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 11:22:11,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111433727] [2019-10-22 11:22:11,708 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:11,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:11,708 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893802596] [2019-10-22 11:22:11,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:11,710 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:11,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:11,711 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 5 states. [2019-10-22 11:22:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:11,801 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2019-10-22 11:22:11,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:11,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-10-22 11:22:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:11,803 INFO L225 Difference]: With dead ends: 66 [2019-10-22 11:22:11,803 INFO L226 Difference]: Without dead ends: 64 [2019-10-22 11:22:11,804 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-10-22 11:22:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2019-10-22 11:22:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 11:22:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-10-22 11:22:11,814 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 7 [2019-10-22 11:22:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:11,814 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-10-22 11:22:11,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-10-22 11:22:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:22:11,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:11,815 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:11,816 INFO L410 AbstractCegarLoop]: === Iteration 3 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:11,816 INFO L82 PathProgramCache]: Analyzing trace with hash 3939607, now seen corresponding path program 1 times [2019-10-22 11:22:11,817 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:11,817 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163006590] [2019-10-22 11:22:11,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:11,852 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 11:22:11,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163006590] [2019-10-22 11:22:11,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:11,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:11,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875644115] [2019-10-22 11:22:11,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:11,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:11,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:11,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:11,854 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 5 states. [2019-10-22 11:22:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:11,929 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2019-10-22 11:22:11,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:11,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-10-22 11:22:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:11,931 INFO L225 Difference]: With dead ends: 63 [2019-10-22 11:22:11,931 INFO L226 Difference]: Without dead ends: 61 [2019-10-22 11:22:11,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-10-22 11:22:11,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51. [2019-10-22 11:22:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-10-22 11:22:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-10-22 11:22:11,942 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 8 [2019-10-22 11:22:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:11,942 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-10-22 11:22:11,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2019-10-22 11:22:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:22:11,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:11,943 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:11,943 INFO L410 AbstractCegarLoop]: === Iteration 4 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:11,944 INFO L82 PathProgramCache]: Analyzing trace with hash 122127876, now seen corresponding path program 1 times [2019-10-22 11:22:11,944 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:11,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845735555] [2019-10-22 11:22:11,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:11,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:11,968 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 11:22:11,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845735555] [2019-10-22 11:22:11,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:11,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:11,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406193076] [2019-10-22 11:22:11,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:11,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:11,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:11,970 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 3 states. [2019-10-22 11:22:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:11,993 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2019-10-22 11:22:11,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:11,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 11:22:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:11,994 INFO L225 Difference]: With dead ends: 51 [2019-10-22 11:22:11,994 INFO L226 Difference]: Without dead ends: 50 [2019-10-22 11:22:11,995 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 11:22:11,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-22 11:22:12,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-10-22 11:22:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 11:22:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2019-10-22 11:22:12,005 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 9 [2019-10-22 11:22:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:12,005 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2019-10-22 11:22:12,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2019-10-22 11:22:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:22:12,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:12,006 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:12,007 INFO L410 AbstractCegarLoop]: === Iteration 5 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:12,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:12,007 INFO L82 PathProgramCache]: Analyzing trace with hash -182630758, now seen corresponding path program 1 times [2019-10-22 11:22:12,007 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:12,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846912299] [2019-10-22 11:22:12,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:12,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:12,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:12,095 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 11:22:12,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846912299] [2019-10-22 11:22:12,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:12,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:12,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157224319] [2019-10-22 11:22:12,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:12,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:12,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:12,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:12,097 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand 5 states. [2019-10-22 11:22:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:12,188 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2019-10-22 11:22:12,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:12,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-10-22 11:22:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:12,190 INFO L225 Difference]: With dead ends: 62 [2019-10-22 11:22:12,190 INFO L226 Difference]: Without dead ends: 61 [2019-10-22 11:22:12,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-10-22 11:22:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-10-22 11:22:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 11:22:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2019-10-22 11:22:12,200 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 10 [2019-10-22 11:22:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:12,201 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2019-10-22 11:22:12,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2019-10-22 11:22:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:22:12,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:12,202 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:12,202 INFO L410 AbstractCegarLoop]: === Iteration 6 === [additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:22:12,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:12,203 INFO L82 PathProgramCache]: Analyzing trace with hash 566996914, now seen corresponding path program 1 times [2019-10-22 11:22:12,203 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:12,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614712585] [2019-10-22 11:22:12,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:12,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:12,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:12,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614712585] [2019-10-22 11:22:12,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610512875] [2019-10-22 11:22:12,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2b4ed09-6664-4417-9ba2-1352b2e64a73/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 11:22:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:12,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:22:12,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:12,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:12,412 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:12,472 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1056960576] [2019-10-22 11:22:12,478 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 15 [2019-10-22 11:22:12,518 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:12,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:12,787 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:12,787 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 11:22:12,793 INFO L168 Benchmark]: Toolchain (without parser) took 2441.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.0 GB in the end (delta: -68.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,794 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:12,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.33 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 11:22:12,795 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 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 11:22:12,796 INFO L168 Benchmark]: RCFGBuilder took 372.62 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,797 INFO L168 Benchmark]: TraceAbstraction took 1698.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:12,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -195.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.83 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 372.62 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1698.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...