./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_address.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_address.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c4975709dd45733037f34cb97611119b9eab668b ................................................................................................................................................................................................................................................................... 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 11:05:20,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:05:20,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:05:20,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:05:20,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:05:20,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:05:20,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:05:20,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:05:20,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:05:20,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:05:20,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:05:20,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:05:20,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:05:20,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:05:20,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:05:20,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:05:20,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:05:20,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:05:20,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:05:20,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:05:20,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:05:20,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:05:20,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:05:20,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:05:20,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:05:20,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:05:20,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:05:20,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:05:20,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:05:20,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:05:20,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:05:20,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:05:20,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:05:20,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:05:20,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:05:20,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:05:20,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:05:20,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:05:20,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:05:20,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:05:20,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:05:20,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:05:20,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:05:20,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:05:20,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:05:20,171 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:05:20,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:05:20,171 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:05:20,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:05:20,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:05:20,172 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:05:20,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:05:20,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:05:20,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:05:20,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:05:20,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:05:20,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:05:20,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:05:20,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:05:20,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:05:20,176 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_9ca18561-7382-48d5-857b-ba7e2b6a3217/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 ! call(__VERIFIER_error())) ) 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 -> c4975709dd45733037f34cb97611119b9eab668b [2019-12-07 11:05:20,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:05:20,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:05:20,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:05:20,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:05:20,289 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:05:20,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/../../sv-benchmarks/c/ldv-regression/test_address.i [2019-12-07 11:05:20,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/data/5d0990555/c380262a19c84b16a51866c9d2ca4dd5/FLAG70c2303d9 [2019-12-07 11:05:20,767 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:05:20,768 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/sv-benchmarks/c/ldv-regression/test_address.i [2019-12-07 11:05:20,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/data/5d0990555/c380262a19c84b16a51866c9d2ca4dd5/FLAG70c2303d9 [2019-12-07 11:05:20,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/data/5d0990555/c380262a19c84b16a51866c9d2ca4dd5 [2019-12-07 11:05:20,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:05:20,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:05:20,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:05:20,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:05:20,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:05:20,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:05:20" (1/1) ... [2019-12-07 11:05:20,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a684a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:20, skipping insertion in model container [2019-12-07 11:05:20,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:05:20" (1/1) ... [2019-12-07 11:05:20,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:05:20,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:05:21,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:05:21,019 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:05:21,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:05:21,081 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:05:21,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21 WrapperNode [2019-12-07 11:05:21,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:05:21,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:05:21,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:05:21,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:05:21,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:05:21,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:05:21,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:05:21,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:05:21,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... [2019-12-07 11:05:21,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:05:21,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:05:21,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:05:21,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:05:21,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/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 11:05:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:05:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:05:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:05:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:05:21,309 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:05:21,309 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-07 11:05:21,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:05:21 BoogieIcfgContainer [2019-12-07 11:05:21,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:05:21,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:05:21,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:05:21,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:05:21,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:05:20" (1/3) ... [2019-12-07 11:05:21,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d422f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:05:21, skipping insertion in model container [2019-12-07 11:05:21,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:05:21" (2/3) ... [2019-12-07 11:05:21,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d422f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:05:21, skipping insertion in model container [2019-12-07 11:05:21,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:05:21" (3/3) ... [2019-12-07 11:05:21,316 INFO L109 eAbstractionObserver]: Analyzing ICFG test_address.i [2019-12-07 11:05:21,322 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:05:21,326 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:05:21,333 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:05:21,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:05:21,347 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:05:21,347 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:05:21,347 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:05:21,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:05:21,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:05:21,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:05:21,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:05:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 11:05:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 11:05:21,359 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:05:21,359 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 11:05:21,359 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:05:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:05:21,363 INFO L82 PathProgramCache]: Analyzing trace with hash 47315, now seen corresponding path program 1 times [2019-12-07 11:05:21,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:05:21,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277903778] [2019-12-07 11:05:21,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:05:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:05:21,471 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 11:05:21,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277903778] [2019-12-07 11:05:21,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:05:21,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:05:21,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828394706] [2019-12-07 11:05:21,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:05:21,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:05:21,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:05:21,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:05:21,486 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-12-07 11:05:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:05:21,497 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-07 11:05:21,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:05:21,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-07 11:05:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:05:21,503 INFO L225 Difference]: With dead ends: 8 [2019-12-07 11:05:21,503 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:05:21,505 INFO L630 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 [2019-12-07 11:05:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:05:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:05:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:05:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:05:21,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-12-07 11:05:21,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:05:21,522 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:05:21,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:05:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:05:21,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:05:21,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:05:21,526 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:05:21,526 INFO L246 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2019-12-07 11:05:21,526 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:05:21,527 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2019-12-07 11:05:21,527 INFO L246 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2019-12-07 11:05:21,527 INFO L246 CegarLoopResult]: For program point L852(lines 867 870) no Hoare annotation was computed. [2019-12-07 11:05:21,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:05:21 BoogieIcfgContainer [2019-12-07 11:05:21,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:05:21,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:05:21,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:05:21,530 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:05:21,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:05:21" (3/4) ... [2019-12-07 11:05:21,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:05:21,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 11:05:21,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:05:21,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:05:21,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ca18561-7382-48d5-857b-ba7e2b6a3217/bin/utaipan/witness.graphml [2019-12-07 11:05:21,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:05:21,563 INFO L168 Benchmark]: Toolchain (without parser) took 777.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.2 MB in the beginning and 1.0 GB in the end (delta: -104.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:05:21,564 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:05:21,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:05:21,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.40 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 11:05:21,565 INFO L168 Benchmark]: Boogie Preprocessor took 14.24 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 11:05:21,565 INFO L168 Benchmark]: RCFGBuilder took 186.94 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:05:21,566 INFO L168 Benchmark]: TraceAbstraction took 218.70 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:05:21,566 INFO L168 Benchmark]: Witness Printer took 31.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:05:21,568 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.40 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. * Boogie Preprocessor took 14.24 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. * RCFGBuilder took 186.94 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 218.70 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 854]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 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, 10 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...