./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/parity_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/parity_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1de4b71c160b63eb5d44a8d7bb23d6faff671aec ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:51:16,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:51:16,461 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:51:16,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:51:16,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:51:16,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:51:16,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:51:16,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:51:16,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:51:16,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:51:16,476 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:51:16,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:51:16,477 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:51:16,478 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:51:16,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:51:16,479 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:51:16,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:51:16,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:51:16,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:51:16,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:51:16,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:51:16,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:51:16,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:51:16,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:51:16,488 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:51:16,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:51:16,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:51:16,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:51:16,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:51:16,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:51:16,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:51:16,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:51:16,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:51:16,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:51:16,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:51:16,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:51:16,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-10-27 05:51:16,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:51:16,506 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:51:16,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:51:16,507 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:51:16,507 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:51:16,507 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:51:16,508 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:51:16,508 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:51:16,508 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:51:16,508 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:51:16,508 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:51:16,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:51:16,510 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:51:16,510 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:51:16,510 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:51:16,510 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:51:16,510 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:51:16,511 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:51:16,512 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:51:16,512 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:51:16,512 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:51:16,512 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:51:16,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:51:16,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:51:16,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:51:16,513 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:51:16,513 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:51:16,513 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:51:16,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:51:16,513 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:51:16,513 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_d30950e1-b7b4-432a-abbb-bcb3591f82ab/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1de4b71c160b63eb5d44a8d7bb23d6faff671aec [2018-10-27 05:51:16,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:51:16,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:51:16,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:51:16,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:51:16,557 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:51:16,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/parity_true-unreach-call_true-no-overflow.i [2018-10-27 05:51:16,599 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/data/a5d8e3539/79bc985b3ce54223aa60d0e651130c06/FLAG6b8ee3658 [2018-10-27 05:51:16,964 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:51:16,964 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/sv-benchmarks/c/bitvector/parity_true-unreach-call_true-no-overflow.i [2018-10-27 05:51:16,970 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/data/a5d8e3539/79bc985b3ce54223aa60d0e651130c06/FLAG6b8ee3658 [2018-10-27 05:51:16,981 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/data/a5d8e3539/79bc985b3ce54223aa60d0e651130c06 [2018-10-27 05:51:16,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:51:16,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:51:16,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:51:16,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:51:16,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:51:16,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:51:16" (1/1) ... [2018-10-27 05:51:16,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14956367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:16, skipping insertion in model container [2018-10-27 05:51:16,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:51:16" (1/1) ... [2018-10-27 05:51:17,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:51:17,020 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:51:17,145 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:51:17,148 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:51:17,165 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:51:17,176 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:51:17,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17 WrapperNode [2018-10-27 05:51:17,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:51:17,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:51:17,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:51:17,178 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:51:17,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:51:17,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:51:17,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:51:17,196 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:51:17,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... [2018-10-27 05:51:17,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:51:17,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:51:17,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:51:17,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:51:17,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/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 [2018-10-27 05:51:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:51:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:51:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:51:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:51:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:51:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:51:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:51:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:51:17,572 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:51:17,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:51:17 BoogieIcfgContainer [2018-10-27 05:51:17,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:51:17,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:51:17,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:51:17,576 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:51:17,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:51:16" (1/3) ... [2018-10-27 05:51:17,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a603cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:51:17, skipping insertion in model container [2018-10-27 05:51:17,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:51:17" (2/3) ... [2018-10-27 05:51:17,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a603cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:51:17, skipping insertion in model container [2018-10-27 05:51:17,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:51:17" (3/3) ... [2018-10-27 05:51:17,579 INFO L112 eAbstractionObserver]: Analyzing ICFG parity_true-unreach-call_true-no-overflow.i [2018-10-27 05:51:17,589 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:51:17,595 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-10-27 05:51:17,607 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-10-27 05:51:17,633 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:51:17,633 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:51:17,633 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:51:17,634 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:51:17,634 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:51:17,634 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:51:17,634 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:51:17,634 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:51:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-27 05:51:17,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:51:17,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2018-10-27 05:51:17,788 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 05:51:17,788 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:51:17,788 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:51:17,788 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 05:51:17,788 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:51:17,788 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:51:17,788 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 35) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point L31-2(lines 31 35) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 21 50) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 21 50) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 21 50) the Hoare annotation is: true [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 37) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L428 ceAbstractionStarter]: At program point L30-3(lines 30 37) the Hoare annotation is: true [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point L30-4(lines 30 37) no Hoare annotation was computed. [2018-10-27 05:51:17,789 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 47) no Hoare annotation was computed. [2018-10-27 05:51:17,790 INFO L428 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: true [2018-10-27 05:51:17,790 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-10-27 05:51:17,790 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-10-27 05:51:17,790 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-27 05:51:17,790 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-10-27 05:51:17,794 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-10-27 05:51:17,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:51:17 BoogieIcfgContainer [2018-10-27 05:51:17,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:51:17,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:51:17,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:51:17,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:51:17,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:51:17" (3/4) ... [2018-10-27 05:51:17,804 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:51:17,815 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 05:51:17,815 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 05:51:17,815 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-27 05:51:17,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 05:51:17,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:51:17,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 05:51:17,864 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d30950e1-b7b4-432a-abbb-bcb3591f82ab/bin-2019/utaipan/witness.graphml [2018-10-27 05:51:17,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:51:17,865 INFO L168 Benchmark]: Toolchain (without parser) took 881.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:51:17,866 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:51:17,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:17,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:51:17,867 INFO L168 Benchmark]: Boogie Preprocessor took 19.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:17,868 INFO L168 Benchmark]: RCFGBuilder took 356.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:17,868 INFO L168 Benchmark]: TraceAbstraction took 227.20 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:17,869 INFO L168 Benchmark]: Witness Printer took 63.92 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:51:17,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.65 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 356.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 227.20 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: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.92 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...