./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c --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_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/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 950698bc17a751834ff482c414f89d89b98af415 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:18:05,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:18:05,494 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:18:05,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:18:05,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:18:05,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:18:05,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:18:05,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:18:05,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:18:05,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:18:05,504 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:18:05,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:18:05,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:18:05,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:18:05,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:18:05,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:18:05,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:18:05,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:18:05,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:18:05,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:18:05,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:18:05,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:18:05,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:18:05,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:18:05,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:18:05,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:18:05,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:18:05,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:18:05,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:18:05,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:18:05,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:18:05,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:18:05,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:18:05,515 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:18:05,515 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:18:05,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:18:05,516 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 15:18:05,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:18:05,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:18:05,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 15:18:05,524 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 15:18:05,524 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 15:18:05,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:18:05,525 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:18:05,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:18:05,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:18:05,526 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 15:18:05,526 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_67cdb1b8-4758-437b-a60f-71f563b34628/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 -> 950698bc17a751834ff482c414f89d89b98af415 [2018-12-02 15:18:05,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:18:05,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:18:05,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:18:05,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:18:05,557 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:18:05,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c [2018-12-02 15:18:05,593 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/data/50a1e85f3/d707d2a1bc6c4860b66fc7c4bef84a23/FLAG619b731fa [2018-12-02 15:18:05,925 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:18:05,926 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c [2018-12-02 15:18:05,930 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/data/50a1e85f3/d707d2a1bc6c4860b66fc7c4bef84a23/FLAG619b731fa [2018-12-02 15:18:06,326 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/data/50a1e85f3/d707d2a1bc6c4860b66fc7c4bef84a23 [2018-12-02 15:18:06,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:18:06,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:18:06,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:18:06,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:18:06,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:18:06,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06, skipping insertion in model container [2018-12-02 15:18:06,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:18:06,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:18:06,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:18:06,435 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:18:06,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:18:06,452 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:18:06,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06 WrapperNode [2018-12-02 15:18:06,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:18:06,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:18:06,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:18:06,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:18:06,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:18:06,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:18:06,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:18:06,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:18:06,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... [2018-12-02 15:18:06,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:18:06,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:18:06,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:18:06,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:18:06,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/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 [2018-12-02 15:18:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 15:18:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 15:18:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:18:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:18:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 15:18:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 15:18:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 15:18:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 15:18:06,622 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:18:06,622 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 15:18:06,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:06 BoogieIcfgContainer [2018-12-02 15:18:06,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:18:06,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 15:18:06,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 15:18:06,625 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 15:18:06,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:18:06" (1/3) ... [2018-12-02 15:18:06,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee24809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:18:06, skipping insertion in model container [2018-12-02 15:18:06,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:06" (2/3) ... [2018-12-02 15:18:06,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee24809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:18:06, skipping insertion in model container [2018-12-02 15:18:06,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:06" (3/3) ... [2018-12-02 15:18:06,627 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c [2018-12-02 15:18:06,632 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 15:18:06,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 15:18:06,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 15:18:06,663 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 15:18:06,663 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 15:18:06,663 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 15:18:06,663 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 15:18:06,663 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 15:18:06,663 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 15:18:06,663 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 15:18:06,663 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 15:18:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-02 15:18:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 15:18:06,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:18:06,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:18:06,678 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:18:06,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:18:06,681 INFO L82 PathProgramCache]: Analyzing trace with hash 271538127, now seen corresponding path program 1 times [2018-12-02 15:18:06,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:18:06,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:18:06,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:18:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:18:06,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:18:06,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 15:18:06,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:18:06,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 15:18:06,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 15:18:06,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 15:18:06,752 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-12-02 15:18:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:18:06,764 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-12-02 15:18:06,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 15:18:06,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-02 15:18:06,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:18:06,770 INFO L225 Difference]: With dead ends: 36 [2018-12-02 15:18:06,770 INFO L226 Difference]: Without dead ends: 16 [2018-12-02 15:18:06,772 INFO L631 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 [2018-12-02 15:18:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-02 15:18:06,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-02 15:18:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-02 15:18:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2018-12-02 15:18:06,792 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2018-12-02 15:18:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:18:06,792 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-12-02 15:18:06,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 15:18:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-12-02 15:18:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 15:18:06,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:18:06,793 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:18:06,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:18:06,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:18:06,793 INFO L82 PathProgramCache]: Analyzing trace with hash 183026044, now seen corresponding path program 1 times [2018-12-02 15:18:06,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:18:06,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:18:06,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:18:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:18:06,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:18:06,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:18:06,847 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:18:06,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:18:06,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:18:06,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:18:06,848 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 3 states. [2018-12-02 15:18:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:18:06,862 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2018-12-02 15:18:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:18:06,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 15:18:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:18:06,863 INFO L225 Difference]: With dead ends: 27 [2018-12-02 15:18:06,863 INFO L226 Difference]: Without dead ends: 21 [2018-12-02 15:18:06,863 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 [2018-12-02 15:18:06,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-12-02 15:18:06,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2018-12-02 15:18:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-02 15:18:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2018-12-02 15:18:06,866 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2018-12-02 15:18:06,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:18:06,866 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2018-12-02 15:18:06,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:18:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-02 15:18:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 15:18:06,867 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:18:06,867 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:18:06,867 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:18:06,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:18:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1587594336, now seen corresponding path program 1 times [2018-12-02 15:18:06,867 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:18:06,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:18:06,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:18:06,868 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:18:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:18:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:18:06,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:18:06,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:18:06,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:18:06,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:18:06,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:18:06,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:18:06,965 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 5 states. [2018-12-02 15:18:07,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:18:07,545 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2018-12-02 15:18:07,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:18:07,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-02 15:18:07,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:18:07,546 INFO L225 Difference]: With dead ends: 32 [2018-12-02 15:18:07,546 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 15:18:07,547 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 [2018-12-02 15:18:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 15:18:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 15:18:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 15:18:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 15:18:07,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-02 15:18:07,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:18:07,548 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 15:18:07,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:18:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 15:18:07,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:18:07,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 15:18:07,569 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 15:18:07,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:18:07,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:18:07,569 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 15:18:07,569 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:18:07,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:18:07,569 INFO L444 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (<= main_~x~0 (let ((.cse0 (div main_~x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ main_~x~0 (* (- 4294967296) .cse0)) 3))))) [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L444 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (<= main_~x~0 (let ((.cse0 (div main_~x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ main_~x~0 (* (- 4294967296) .cse0)) 3))))) (and (<= (div main_~y~0 4294967296) 0) (<= 1 main_~y~0))) [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 12 33) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-12-02 15:18:07,570 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2018-12-02 15:18:07,571 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 6 10) no Hoare annotation was computed. [2018-12-02 15:18:07,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:18:07 BoogieIcfgContainer [2018-12-02 15:18:07,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:18:07,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:18:07,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:18:07,579 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:18:07,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:06" (3/4) ... [2018-12-02 15:18:07,581 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:18:07,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 15:18:07,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 15:18:07,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 15:18:07,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 15:18:07,588 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 15:18:07,588 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 15:18:07,613 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67cdb1b8-4758-437b-a60f-71f563b34628/bin-2019/utaipan/witness.graphml [2018-12-02 15:18:07,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:18:07,614 INFO L168 Benchmark]: Toolchain (without parser) took 1285.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -84.6 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:18:07,615 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-02 15:18:07,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.08 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:18:07,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 10.92 ms. Allocated memory is still 1.0 GB. Free memory is still 941.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:18:07,615 INFO L168 Benchmark]: Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory was 941.7 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:18:07,615 INFO L168 Benchmark]: RCFGBuilder took 146.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:18:07,616 INFO L168 Benchmark]: TraceAbstraction took 955.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:18:07,616 INFO L168 Benchmark]: Witness Printer took 34.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:18:07,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 123.08 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.7 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 10.92 ms. Allocated memory is still 1.0 GB. Free memory is still 941.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.34 ms. Allocated memory is still 1.0 GB. Free memory was 941.7 MB in the beginning and 936.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 146.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 955.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * Witness Printer took 34.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 16]: Loop Invariant Derived loop invariant: x <= 4294967296 * (x / 4294967296) + 3 * ((x + -4294967296 * (x / 4294967296)) / 3) || (y / 4294967296 <= 0 && 1 <= y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 7 SDslu, 55 SDs, 0 SdLazy, 24 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 13 NumberOfFragments, 53 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1745 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...