./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/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_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/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 10cc4caffca660fca2e6a4a0cd5f7ba7ba4e10af ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:28:09,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:28:09,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:28:09,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:28:09,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:28:09,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:28:09,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:28:09,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:28:09,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:28:09,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:28:09,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:28:09,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:28:09,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:28:09,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:28:09,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:28:09,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:28:09,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:28:09,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:28:09,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:28:09,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:28:09,179 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:28:09,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:28:09,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:28:09,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:28:09,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:28:09,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:28:09,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:28:09,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:28:09,186 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:28:09,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:28:09,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:28:09,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:28:09,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:28:09,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:28:09,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:28:09,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:28:09,194 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:28:09,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:28:09,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:28:09,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:28:09,214 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:28:09,215 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:28:09,215 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:28:09,215 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:28:09,215 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:28:09,215 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:28:09,216 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:28:09,216 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:28:09,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:28:09,217 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:28:09,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:28:09,217 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:28:09,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:28:09,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:28:09,218 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:28:09,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:28:09,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:28:09,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:28:09,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:28:09,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:28:09,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:28:09,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:28:09,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:28:09,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:28:09,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:28:09,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:28:09,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:28:09,224 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:28:09,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:28:09,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:28:09,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:28:09,225 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_b565e481-ca40-41de-88f7-68e2a73251eb/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 -> 10cc4caffca660fca2e6a4a0cd5f7ba7ba4e10af [2018-10-26 20:28:09,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:28:09,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:28:09,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:28:09,285 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:28:09,285 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:28:09,286 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/../../sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-26 20:28:09,338 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/data/d44252243/72543229ff224c6db21cc0a140ba12a5/FLAG6d8915d71 [2018-10-26 20:28:09,740 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:28:09,741 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/sv-benchmarks/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-26 20:28:09,748 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/data/d44252243/72543229ff224c6db21cc0a140ba12a5/FLAG6d8915d71 [2018-10-26 20:28:09,761 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/data/d44252243/72543229ff224c6db21cc0a140ba12a5 [2018-10-26 20:28:09,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:28:09,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:28:09,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:28:09,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:28:09,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:28:09,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:28:09" (1/1) ... [2018-10-26 20:28:09,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a01eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:09, skipping insertion in model container [2018-10-26 20:28:09,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:28:09" (1/1) ... [2018-10-26 20:28:09,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:28:09,805 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:28:09,953 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:28:09,962 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:28:09,990 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:28:10,008 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:28:10,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10 WrapperNode [2018-10-26 20:28:10,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:28:10,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:28:10,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:28:10,010 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:28:10,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:28:10,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:28:10,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:28:10,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:28:10,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... [2018-10-26 20:28:10,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:28:10,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:28:10,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:28:10,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:28:10,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/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 [2018-10-26 20:28:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:28:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:28:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2018-10-26 20:28:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2018-10-26 20:28:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:28:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:28:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:28:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:28:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 20:28:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 20:28:10,896 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:28:10,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:10 BoogieIcfgContainer [2018-10-26 20:28:10,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:28:10,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:28:10,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:28:10,901 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:28:10,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:28:09" (1/3) ... [2018-10-26 20:28:10,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1408d6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:28:10, skipping insertion in model container [2018-10-26 20:28:10,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:28:10" (2/3) ... [2018-10-26 20:28:10,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1408d6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:28:10, skipping insertion in model container [2018-10-26 20:28:10,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:10" (3/3) ... [2018-10-26 20:28:10,905 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-10-26 20:28:10,915 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:28:10,923 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:28:10,940 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:28:10,971 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:28:10,971 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:28:10,971 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:28:10,971 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:28:10,971 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:28:10,972 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:28:10,972 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:28:10,972 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:28:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-10-26 20:28:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:28:10,995 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:28:10,996 INFO L375 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] [2018-10-26 20:28:10,998 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:28:11,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:28:11,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1773514428, now seen corresponding path program 1 times [2018-10-26 20:28:11,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:28:11,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:28:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,058 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:28:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:28:11,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:28:11,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:28:11,153 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:28:11,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:28:11,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:28:11,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:28:11,176 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-10-26 20:28:11,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:28:11,206 INFO L93 Difference]: Finished difference Result 97 states and 133 transitions. [2018-10-26 20:28:11,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:28:11,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 20:28:11,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:28:11,218 INFO L225 Difference]: With dead ends: 97 [2018-10-26 20:28:11,218 INFO L226 Difference]: Without dead ends: 45 [2018-10-26 20:28:11,224 INFO L605 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 [2018-10-26 20:28:11,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-10-26 20:28:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-10-26 20:28:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 20:28:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-10-26 20:28:11,271 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 27 [2018-10-26 20:28:11,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:28:11,271 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-10-26 20:28:11,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:28:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-10-26 20:28:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 20:28:11,273 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:28:11,273 INFO L375 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] [2018-10-26 20:28:11,273 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:28:11,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:28:11,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1145549408, now seen corresponding path program 1 times [2018-10-26 20:28:11,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:28:11,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:28:11,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:28:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:28:11,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:28:11,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:28:11,371 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:28:11,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:28:11,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:28:11,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:28:11,374 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 3 states. [2018-10-26 20:28:11,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:28:11,450 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2018-10-26 20:28:11,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:28:11,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-10-26 20:28:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:28:11,451 INFO L225 Difference]: With dead ends: 84 [2018-10-26 20:28:11,452 INFO L226 Difference]: Without dead ends: 48 [2018-10-26 20:28:11,453 INFO L605 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 [2018-10-26 20:28:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-26 20:28:11,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2018-10-26 20:28:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-26 20:28:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2018-10-26 20:28:11,459 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 34 [2018-10-26 20:28:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:28:11,460 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2018-10-26 20:28:11,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:28:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2018-10-26 20:28:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:28:11,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:28:11,461 INFO L375 BasicCegarLoop]: trace histogram [2, 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] [2018-10-26 20:28:11,461 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:28:11,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:28:11,461 INFO L82 PathProgramCache]: Analyzing trace with hash 381128697, now seen corresponding path program 1 times [2018-10-26 20:28:11,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:28:11,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:28:11,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,463 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:28:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:28:11,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:28:11,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:28:11,538 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:28:11,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:28:11,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:28:11,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:28:11,540 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand 3 states. [2018-10-26 20:28:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:28:11,577 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2018-10-26 20:28:11,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:28:11,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-10-26 20:28:11,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:28:11,579 INFO L225 Difference]: With dead ends: 80 [2018-10-26 20:28:11,579 INFO L226 Difference]: Without dead ends: 48 [2018-10-26 20:28:11,579 INFO L605 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 [2018-10-26 20:28:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-26 20:28:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-10-26 20:28:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-26 20:28:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-10-26 20:28:11,586 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 37 [2018-10-26 20:28:11,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:28:11,586 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-10-26 20:28:11,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:28:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-10-26 20:28:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:28:11,589 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:28:11,589 INFO L375 BasicCegarLoop]: trace histogram [2, 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] [2018-10-26 20:28:11,589 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:28:11,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:28:11,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1613016009, now seen corresponding path program 1 times [2018-10-26 20:28:11,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:28:11,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:28:11,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:28:11,591 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:28:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:28:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:28:11,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:28:11,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:28:11,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:28:11,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:28:11,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:28:11,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:28:11,721 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 5 states. [2018-10-26 20:28:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:28:11,878 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2018-10-26 20:28:11,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 20:28:11,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-10-26 20:28:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:28:11,880 INFO L225 Difference]: With dead ends: 61 [2018-10-26 20:28:11,880 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:28:11,880 INFO L605 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 [2018-10-26 20:28:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:28:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:28:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:28:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:28:11,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-10-26 20:28:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:28:11,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:28:11,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:28:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:28:11,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:28:11,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:28:11,993 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L60-5(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L60-7(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 20:28:11,994 INFO L428 ceAbstractionStarter]: At program point L60-9(line 60) the Hoare annotation is: true [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L60-10(line 60) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L61-4(lines 55 73) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L57-4(line 57) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 74) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L428 ceAbstractionStarter]: At program point L57-6(line 57) the Hoare annotation is: true [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L53-2(lines 53 74) no Hoare annotation was computed. [2018-10-26 20:28:11,995 INFO L425 ceAbstractionStarter]: For program point L57-7(line 57) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L428 ceAbstractionStarter]: At program point L53-4(lines 53 74) the Hoare annotation is: true [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L53-5(lines 53 74) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 48 76) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 71) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L428 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 48 76) the Hoare annotation is: true [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-10-26 20:28:11,996 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 65) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 48 76) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 73) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:28:11,997 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:28:11,997 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 77 88) the Hoare annotation is: true [2018-10-26 20:28:11,997 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 77 88) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L428 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 81 83) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point L81-3(lines 81 83) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L428 ceAbstractionStarter]: At program point L81-4(lines 81 83) the Hoare annotation is: true [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 77 88) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point L81-5(lines 81 83) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-10-26 20:28:11,998 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-10-26 20:28:11,998 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-10-26 20:28:11,999 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-26 20:28:11,999 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-10-26 20:28:11,999 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-10-26 20:28:12,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:28:12 BoogieIcfgContainer [2018-10-26 20:28:12,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:28:12,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:28:12,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:28:12,006 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:28:12,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:28:10" (3/4) ... [2018-10-26 20:28:12,010 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:28:12,017 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure parse_expression_list [2018-10-26 20:28:12,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:28:12,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:28:12,018 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 20:28:12,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-10-26 20:28:12,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-10-26 20:28:12,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 20:28:12,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:28:12,088 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b565e481-ca40-41de-88f7-68e2a73251eb/bin-2019/utaipan/witness.graphml [2018-10-26 20:28:12,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:28:12,089 INFO L168 Benchmark]: Toolchain (without parser) took 2325.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.1 MB in the beginning and 1.0 GB in the end (delta: -94.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,091 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:28:12,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,092 INFO L168 Benchmark]: Boogie Preprocessor took 118.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,092 INFO L168 Benchmark]: RCFGBuilder took 721.34 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,093 INFO L168 Benchmark]: TraceAbstraction took 1107.85 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,093 INFO L168 Benchmark]: Witness Printer took 82.55 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:28:12,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 939.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 1.0 GB. Free memory was 939.7 MB in the beginning and 937.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 721.34 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1107.85 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: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.55 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 217 SDtfs, 21 SDslu, 217 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 33 NumberOfFragments, 16 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 4777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...