./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/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 889a23428ce9b0e3800ffce916f37e53fe302b49 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:46:18,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:46:18,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:46:18,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:46:18,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:46:18,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:46:18,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:46:18,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:46:18,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:46:18,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:46:18,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:46:18,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:46:18,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:46:18,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:46:18,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:46:18,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:46:18,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:46:18,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:46:18,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:46:18,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:46:18,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:46:18,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:46:18,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:46:18,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:46:18,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:46:18,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:46:18,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:46:18,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:46:18,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:46:18,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:46:18,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:46:18,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:46:18,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:46:18,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:46:18,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:46:18,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:46:18,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:46:18,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:46:18,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:46:18,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:46:18,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:46:18,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-12-07 21:46:18,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:46:18,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:46:18,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:46:18,181 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:46:18,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:46:18,181 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:46:18,181 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:46:18,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:46:18,182 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:46:18,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:46:18,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:46:18,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:46:18,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:46:18,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:46:18,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:46:18,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:46:18,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:46:18,186 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/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/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 -> 889a23428ce9b0e3800ffce916f37e53fe302b49 [2019-12-07 21:46:18,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:46:18,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:46:18,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:46:18,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:46:18,294 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:46:18,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2019-12-07 21:46:18,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/data/3fd982085/c95e15dea7dd4c2bbcd275f68b5a1073/FLAG878fea9f3 [2019-12-07 21:46:18,681 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:46:18,681 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/sv-benchmarks/c/bitvector/byte_add_2-2.i [2019-12-07 21:46:18,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/data/3fd982085/c95e15dea7dd4c2bbcd275f68b5a1073/FLAG878fea9f3 [2019-12-07 21:46:18,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/data/3fd982085/c95e15dea7dd4c2bbcd275f68b5a1073 [2019-12-07 21:46:18,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:46:18,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:46:18,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:46:18,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:46:18,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:46:18,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b37d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18, skipping insertion in model container [2019-12-07 21:46:18,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:46:18,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:46:18,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:46:18,882 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:46:18,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:46:18,913 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:46:18,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18 WrapperNode [2019-12-07 21:46:18,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:46:18,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:46:18,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:46:18,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:46:18,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:46:18,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:46:18,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:46:18,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:46:18,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... [2019-12-07 21:46:18,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:46:18,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:46:18,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:46:18,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:46:18,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/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 [2019-12-07 21:46:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:46:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:46:19,339 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:46:19,339 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 21:46:19,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:19 BoogieIcfgContainer [2019-12-07 21:46:19,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:46:19,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:46:19,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:46:19,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:46:19,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:46:18" (1/3) ... [2019-12-07 21:46:19,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f34f1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:46:19, skipping insertion in model container [2019-12-07 21:46:19,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:18" (2/3) ... [2019-12-07 21:46:19,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f34f1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:46:19, skipping insertion in model container [2019-12-07 21:46:19,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:19" (3/3) ... [2019-12-07 21:46:19,344 INFO L109 eAbstractionObserver]: Analyzing ICFG byte_add_2-2.i [2019-12-07 21:46:19,351 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:46:19,355 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-12-07 21:46:19,363 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-12-07 21:46:19,379 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:46:19,379 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:46:19,379 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:46:19,379 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:46:19,379 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:46:19,380 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:46:19,380 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:46:19,380 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:46:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-12-07 21:46:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 21:46:19,397 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:46:19,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 21:46:19,398 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 21:46:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:46:19,402 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-12-07 21:46:19,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:46:19,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687837874] [2019-12-07 21:46:19,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:46:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:46:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:46:19,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687837874] [2019-12-07 21:46:19,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:46:19,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 21:46:19,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431877352] [2019-12-07 21:46:19,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:46:19,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:46:19,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:46:19,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:46:19,504 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2019-12-07 21:46:19,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:46:19,517 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2019-12-07 21:46:19,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:46:19,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 3 [2019-12-07 21:46:19,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:46:19,523 INFO L225 Difference]: With dead ends: 95 [2019-12-07 21:46:19,523 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:46:19,525 INFO L630 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 [2019-12-07 21:46:19,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:46:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:46:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:46:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:46:19,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-12-07 21:46:19,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:46:19,541 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:46:19,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:46:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:46:19,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:46:19,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 94) no Hoare annotation was computed. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point L52(lines 52 57) no Hoare annotation was computed. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2019-12-07 21:46:19,552 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 73) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L70(lines 61 86) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L54(lines 54 56) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 73) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2019-12-07 21:46:19,553 INFO L246 CegarLoopResult]: For program point L71-2(line 71) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L71-4(lines 70 75) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L88-1(lines 22 100) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 95) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L72-3(lines 70 75) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 68) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L40(lines 40 48) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2019-12-07 21:46:19,554 INFO L246 CegarLoopResult]: For program point L40-1(lines 40 48) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L73-3(lines 70 75) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L74-1(line 74) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point L42(lines 42 47) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2019-12-07 21:46:19,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point L43-1(line 43) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point L44(lines 44 46) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2019-12-07 21:46:19,556 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L249 CegarLoopResult]: At program point L61-2(lines 61 86) the Hoare annotation is: true [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L45-1(line 45) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L64(lines 64 69) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,557 INFO L246 CegarLoopResult]: For program point L64-1(lines 61 86) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L249 CegarLoopResult]: At program point L97-2(line 97) the Hoare annotation is: true [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L65-2(line 65) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L65-4(lines 64 69) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 97) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-12-07 21:46:19,558 INFO L246 CegarLoopResult]: For program point L66-3(lines 64 69) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L50(lines 50 58) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L50-1(lines 50 58) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L67-1(line 67) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L67-3(lines 64 69) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 94) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2019-12-07 21:46:19,559 INFO L246 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-12-07 21:46:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:46:19 BoogieIcfgContainer [2019-12-07 21:46:19,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:46:19,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:46:19,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:46:19,568 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:46:19,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:19" (3/4) ... [2019-12-07 21:46:19,570 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:46:19,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-12-07 21:46:19,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 21:46:19,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:46:19,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0850fd4-7c45-4aa6-9e97-505ffb7f57d9/bin/utaipan/witness.graphml [2019-12-07 21:46:19,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:46:19,629 INFO L168 Benchmark]: Toolchain (without parser) took 932.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -66.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,630 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:46:19,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,630 INFO L168 Benchmark]: Boogie Preprocessor took 18.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:46:19,631 INFO L168 Benchmark]: RCFGBuilder took 379.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,631 INFO L168 Benchmark]: TraceAbstraction took 226.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,631 INFO L168 Benchmark]: Witness Printer took 60.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:46:19,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 379.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 226.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 60.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 36 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...