./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/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 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:24:39,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:24:39,976 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:24:39,981 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:24:39,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:24:39,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:24:39,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:24:39,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:24:39,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:24:39,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:24:39,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:24:39,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:24:39,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:24:39,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:24:39,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:24:39,987 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:24:39,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:24:39,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:24:39,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:24:39,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:24:39,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:24:39,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:24:39,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:24:39,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:24:39,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:24:39,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:24:39,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:24:39,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:24:39,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:24:39,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:24:39,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:24:39,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:24:39,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:24:39,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:24:39,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:24:39,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:24:39,997 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:24:40,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:24:40,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:24:40,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:24:40,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:24:40,004 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:24:40,005 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:24:40,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:24:40,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:24:40,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:24:40,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:24:40,007 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:24:40,007 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b [2018-12-09 11:24:40,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:24:40,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:24:40,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:24:40,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:24:40,036 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:24:40,037 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/../../sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-12-09 11:24:40,073 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/data/f47c82a77/f83119473240405db34d4bc933b3561d/FLAGae764fec5 [2018-12-09 11:24:40,456 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:24:40,457 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-12-09 11:24:40,460 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/data/f47c82a77/f83119473240405db34d4bc933b3561d/FLAGae764fec5 [2018-12-09 11:24:40,468 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/data/f47c82a77/f83119473240405db34d4bc933b3561d [2018-12-09 11:24:40,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:24:40,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:24:40,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:24:40,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:24:40,473 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:24:40,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f103c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40, skipping insertion in model container [2018-12-09 11:24:40,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:24:40,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:24:40,587 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:24:40,593 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:24:40,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:24:40,620 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:24:40,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40 WrapperNode [2018-12-09 11:24:40,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:24:40,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:24:40,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:24:40,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:24:40,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:24:40,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:24:40,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:24:40,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:24:40,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... [2018-12-09 11:24:40,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:24:40,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:24:40,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:24:40,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:24:40,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:24:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2018-12-09 11:24:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2018-12-09 11:24:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:24:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:24:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:24:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2018-12-09 11:24:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:24:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:24:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 11:24:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 11:24:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:24:40,869 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:24:40,869 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 11:24:40,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:24:40 BoogieIcfgContainer [2018-12-09 11:24:40,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:24:40,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:24:40,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:24:40,871 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:24:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:24:40" (1/3) ... [2018-12-09 11:24:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcb9d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:24:40, skipping insertion in model container [2018-12-09 11:24:40,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:24:40" (2/3) ... [2018-12-09 11:24:40,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcb9d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:24:40, skipping insertion in model container [2018-12-09 11:24:40,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:24:40" (3/3) ... [2018-12-09 11:24:40,873 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-12-09 11:24:40,879 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:24:40,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:24:40,894 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:24:40,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:24:40,915 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:24:40,915 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:24:40,915 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:24:40,915 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:24:40,915 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:24:40,915 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:24:40,915 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:24:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-09 11:24:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:24:40,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:24:40,930 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:24:40,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:24:40,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:24:40,935 INFO L82 PathProgramCache]: Analyzing trace with hash -966663296, now seen corresponding path program 1 times [2018-12-09 11:24:40,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:24:40,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:40,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:24:40,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:40,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:24:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:24:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:24:41,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:24:41,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:24:41,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:24:41,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:24:41,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:24:41,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:24:41,047 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2018-12-09 11:24:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:24:41,070 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2018-12-09 11:24:41,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:24:41,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-12-09 11:24:41,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:24:41,076 INFO L225 Difference]: With dead ends: 104 [2018-12-09 11:24:41,076 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 11:24:41,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:24:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 11:24:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2018-12-09 11:24:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 11:24:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-12-09 11:24:41,100 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2018-12-09 11:24:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:24:41,101 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-12-09 11:24:41,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:24:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-09 11:24:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:24:41,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:24:41,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:24:41,102 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:24:41,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:24:41,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2076843467, now seen corresponding path program 1 times [2018-12-09 11:24:41,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:24:41,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:41,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:24:41,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:41,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:24:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:24:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:24:41,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:24:41,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:24:41,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:24:41,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:24:41,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:24:41,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:24:41,140 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 3 states. [2018-12-09 11:24:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:24:41,151 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2018-12-09 11:24:41,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:24:41,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-12-09 11:24:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:24:41,152 INFO L225 Difference]: With dead ends: 84 [2018-12-09 11:24:41,152 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 11:24:41,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:24:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 11:24:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-09 11:24:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-09 11:24:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-12-09 11:24:41,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2018-12-09 11:24:41,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:24:41,157 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-12-09 11:24:41,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:24:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-12-09 11:24:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 11:24:41,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:24:41,158 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:24:41,158 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:24:41,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:24:41,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1999269111, now seen corresponding path program 1 times [2018-12-09 11:24:41,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:24:41,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:41,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:24:41,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:24:41,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:24:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:24:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:24:41,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:24:41,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:24:41,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:24:41,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:24:41,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:24:41,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:24:41,211 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 5 states. [2018-12-09 11:24:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:24:41,255 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2018-12-09 11:24:41,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:24:41,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-09 11:24:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:24:41,256 INFO L225 Difference]: With dead ends: 61 [2018-12-09 11:24:41,256 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:24:41,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:24:41,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:24:41,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:24:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:24:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:24:41,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-12-09 11:24:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:24:41,257 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:24:41,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:24:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:24:41,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:24:41,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L451 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2018-12-09 11:24:41,277 INFO L451 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2018-12-09 11:24:41,277 INFO L448 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L451 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2018-12-09 11:24:41,278 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2018-12-09 11:24:41,279 INFO L451 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-09 11:24:41,280 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-09 11:24:41,280 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-12-09 11:24:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:24:41 BoogieIcfgContainer [2018-12-09 11:24:41,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:24:41,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:24:41,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:24:41,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:24:41,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:24:40" (3/4) ... [2018-12-09 11:24:41,287 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:24:41,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure parse_expression_list [2018-12-09 11:24:41,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:24:41,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure r_strncpy [2018-12-09 11:24:41,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:24:41,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 11:24:41,294 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-12-09 11:24:41,294 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-09 11:24:41,294 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:24:41,330 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c02fd2d5-1cc8-4a26-83dc-cde3e4a8c8a3/bin-2019/utaipan/witness.graphml [2018-12-09 11:24:41,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:24:41,331 INFO L168 Benchmark]: Toolchain (without parser) took 860.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,332 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:24:41,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.30 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 937.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,332 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 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. [2018-12-09 11:24:41,333 INFO L168 Benchmark]: RCFGBuilder took 184.61 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,333 INFO L168 Benchmark]: TraceAbstraction took 414.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,333 INFO L168 Benchmark]: Witness Printer took 46.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:24:41,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.30 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 937.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.57 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 184.61 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 414.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 20 SDslu, 236 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 22 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...