./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/diff_usafe.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/diff_usafe.c -s /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36668c3ad6b05a2dc08891e0da2e8018cdda58e2 ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:21,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:21,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:21,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:21,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:21,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:21,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:21,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:21,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:21,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:21,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:21,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:21,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:21,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:21,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:21,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:21,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:21,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:21,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:21,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:21,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:21,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:21,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:21,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:21,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:21,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:21,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:21,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:21,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:21,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:21,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:21,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:21,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:21,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:21,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:21,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:21,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:21,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:21,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:21,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:21,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:26:21,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:21,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:21,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:21,297 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:21,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:21,298 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:21,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:26:21,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:26:21,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:26:21,300 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:26:21,301 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:26:21,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:21,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:21,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:21,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:21,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:21,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:21,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:21,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:21,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:21,302 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:21,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:21,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:21,303 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_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36668c3ad6b05a2dc08891e0da2e8018cdda58e2 [2019-10-22 11:26:21,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:21,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:21,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:21,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:21,345 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:21,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/../../sv-benchmarks/c/array-memsafety/diff_usafe.c [2019-10-22 11:26:21,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/data/106afef0a/64853f37e32f4acaaf63f5da5e98a46a/FLAGe4a31c492 [2019-10-22 11:26:21,752 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:21,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/sv-benchmarks/c/array-memsafety/diff_usafe.c [2019-10-22 11:26:21,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/data/106afef0a/64853f37e32f4acaaf63f5da5e98a46a/FLAGe4a31c492 [2019-10-22 11:26:22,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/data/106afef0a/64853f37e32f4acaaf63f5da5e98a46a [2019-10-22 11:26:22,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:22,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:22,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:22,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:22,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:22,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2fc858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:22,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:22,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:22,374 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:22,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:22,455 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:22,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22 WrapperNode [2019-10-22 11:26:22,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:22,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:22,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:22,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:22,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:22,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:22,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:22,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:22,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... [2019-10-22 11:26:22,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:22,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:22,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:22,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:22,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/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 11:26:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:22,843 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:22,844 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:26:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22 BoogieIcfgContainer [2019-10-22 11:26:22,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:22,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:22,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:22,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:22,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:22" (1/3) ... [2019-10-22 11:26:22,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfdf69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:22" (2/3) ... [2019-10-22 11:26:22,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfdf69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:22, skipping insertion in model container [2019-10-22 11:26:22,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/3) ... [2019-10-22 11:26:22,854 INFO L109 eAbstractionObserver]: Analyzing ICFG diff_usafe.c [2019-10-22 11:26:22,865 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:22,873 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-10-22 11:26:22,884 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-10-22 11:26:22,905 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:22,905 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:26:22,905 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:22,906 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:22,906 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:22,906 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:22,906 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:22,907 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-10-22 11:26:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:26:22,932 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:22,933 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:26:22,935 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:26:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash 28739442, now seen corresponding path program 1 times [2019-10-22 11:26:22,952 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:22,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202955456] [2019-10-22 11:26:22,953 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,953 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:22,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,089 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 11:26:23,097 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202955456] [2019-10-22 11:26:23,098 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:23,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876471182] [2019-10-22 11:26:23,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:23,113 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:23,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:23,152 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-10-22 11:26:23,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,171 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2019-10-22 11:26:23,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:23,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-10-22 11:26:23,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,184 INFO L225 Difference]: With dead ends: 25 [2019-10-22 11:26:23,186 INFO L226 Difference]: Without dead ends: 23 [2019-10-22 11:26:23,188 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:23,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-10-22 11:26:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-10-22 11:26:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-10-22 11:26:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-10-22 11:26:23,228 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 5 [2019-10-22 11:26:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,228 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-10-22 11:26:23,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-10-22 11:26:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:26:23,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:23,229 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:26:23,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:26:23,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:23,230 INFO L82 PathProgramCache]: Analyzing trace with hash 28699080, now seen corresponding path program 1 times [2019-10-22 11:26:23,230 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:23,231 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777999246] [2019-10-22 11:26:23,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:23,287 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 11:26:23,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777999246] [2019-10-22 11:26:23,288 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:23,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:23,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946971517] [2019-10-22 11:26:23,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:23,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:23,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:23,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:23,291 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 3 states. [2019-10-22 11:26:23,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:23,318 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2019-10-22 11:26:23,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:23,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-10-22 11:26:23,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:23,320 INFO L225 Difference]: With dead ends: 22 [2019-10-22 11:26:23,320 INFO L226 Difference]: Without dead ends: 20 [2019-10-22 11:26:23,321 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 11:26:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-22 11:26:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-22 11:26:23,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-22 11:26:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-10-22 11:26:23,324 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 5 [2019-10-22 11:26:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:23,325 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-10-22 11:26:23,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-22 11:26:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:26:23,326 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:23,326 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:26:23,326 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:26:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:23,327 INFO L82 PathProgramCache]: Analyzing trace with hash 28699946, now seen corresponding path program 1 times [2019-10-22 11:26:23,327 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:23,327 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953839318] [2019-10-22 11:26:23,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,327 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:23,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:23,388 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:23,390 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:23,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:23 BoogieIcfgContainer [2019-10-22 11:26:23,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:23,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:23,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:23,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:23,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:22" (3/4) ... [2019-10-22 11:26:23,424 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:26:23,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_099243ef-736a-4685-bdea-b7db2ba9aaa6/bin/utaipan/witness.graphml [2019-10-22 11:26:23,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:23,479 INFO L168 Benchmark]: Toolchain (without parser) took 1313.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:23,480 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:23,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:23,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.13 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 11:26:23,482 INFO L168 Benchmark]: Boogie Preprocessor took 24.89 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 11:26:23,482 INFO L168 Benchmark]: RCFGBuilder took 329.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:23,483 INFO L168 Benchmark]: TraceAbstraction took 573.59 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:23,483 INFO L168 Benchmark]: Witness Printer took 56.44 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 11:26:23,486 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.13 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 24.89 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 329.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 573.59 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.44 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L30] int *A; [L31] int Alen = __VERIFIER_nondet_int(); [L32] int *B; [L33] int Blen = __VERIFIER_nondet_int(); [L34] int *D; [L5] int k = 0; [L6] int i = 0; [L7] int l1 = Alen; [L8] int l2 = Blen; [L9] int found; [L11] COND TRUE i < l1 [L12] int j = 0; [L13] found = 0 [L14] COND TRUE j < l2 && !found [L15] A[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 9 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 21 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...