./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.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_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/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 bf1168110983bcf9fdc75fe12a6575329d72d984 ............................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/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 bf1168110983bcf9fdc75fe12a6575329d72d984 .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:58:27,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:58:27,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:58:27,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:58:27,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:58:27,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:58:27,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:58:27,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:58:27,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:58:27,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:58:27,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:58:27,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:58:27,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:58:27,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:58:27,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:58:27,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:58:27,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:58:27,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:58:27,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:58:27,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:58:27,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:58:27,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:58:27,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:58:27,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:58:27,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:58:27,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:58:27,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:58:27,577 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:58:27,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:58:27,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:58:27,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:58:27,579 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:58:27,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:58:27,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:58:27,580 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:58:27,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:58:27,580 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:58:27,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:58:27,588 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:58:27,588 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:58:27,588 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:58:27,588 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:58:27,588 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:58:27,588 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:58:27,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:58:27,589 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:58:27,590 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:58:27,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:58:27,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:58:27,591 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:58:27,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:58:27,592 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_d8341963-15ce-40db-bf14-28790d797b97/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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-12-03 04:58:27,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:58:27,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:58:27,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:58:27,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:58:27,626 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:58:27,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:27,661 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/3861ba10c/3fa7c766a3de4b95a488a6449c82bfad/FLAG4284358c8 [2018-12-03 04:58:28,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:58:28,013 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:28,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/3861ba10c/3fa7c766a3de4b95a488a6449c82bfad/FLAG4284358c8 [2018-12-03 04:58:28,388 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/3861ba10c/3fa7c766a3de4b95a488a6449c82bfad [2018-12-03 04:58:28,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:58:28,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:58:28,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:58:28,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:58:28,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:58:28,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d57af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28, skipping insertion in model container [2018-12-03 04:58:28,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:58:28,412 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:58:28,492 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:58:28,495 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:58:28,503 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:58:28,510 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:58:28,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28 WrapperNode [2018-12-03 04:58:28,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:58:28,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:58:28,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:58:28,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:58:28,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:58:28,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:58:28,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:58:28,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:58:28,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... [2018-12-03 04:58:28,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:58:28,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:58:28,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:58:28,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:58:28,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/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 [2018-12-03 04:58:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:58:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:58:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:58:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:58:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:58:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:58:28,663 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:58:28,663 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 04:58:28,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:28 BoogieIcfgContainer [2018-12-03 04:58:28,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:58:28,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:58:28,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:58:28,666 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:58:28,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:58:28" (1/3) ... [2018-12-03 04:58:28,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c65236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:58:28, skipping insertion in model container [2018-12-03 04:58:28,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:28" (2/3) ... [2018-12-03 04:58:28,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c65236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:58:28, skipping insertion in model container [2018-12-03 04:58:28,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:28" (3/3) ... [2018-12-03 04:58:28,668 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:28,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:58:28,678 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:58:28,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:58:28,705 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:58:28,706 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:58:28,706 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:58:28,706 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:58:28,706 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:58:28,706 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:58:28,706 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:58:28,706 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:58:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-03 04:58:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 04:58:28,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:58:28,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:58:28,721 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:58:28,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:58:28,725 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-03 04:58:28,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:58:28,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:58:28,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:58:28,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:58:28,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:58:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:58:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:58:28,789 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 04:58:28,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:58:28 BoogieIcfgContainer [2018-12-03 04:58:28,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:58:28,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:58:28,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:58:28,802 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:58:28,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:28" (3/4) ... [2018-12-03 04:58:28,805 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 04:58:28,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:58:28,805 INFO L168 Benchmark]: Toolchain (without parser) took 414.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:28,806 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:28,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.48 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 938.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:28,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.88 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:28,808 INFO L168 Benchmark]: Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:28,808 INFO L168 Benchmark]: RCFGBuilder took 129.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:28,808 INFO L168 Benchmark]: TraceAbstraction took 137.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:28,809 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:28,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.48 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 938.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.88 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory is still 938.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 129.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 137.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=0] [L7] COND TRUE result_8 != 0xfa VAL [port=90, result_8=0] [L12] __VERIFIER_error() VAL [port=90, result_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:58:30,058 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:58:30,059 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:58:30,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:58:30,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:58:30,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:58:30,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:58:30,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:58:30,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:58:30,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:58:30,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:58:30,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:58:30,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:58:30,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:58:30,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:58:30,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:58:30,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:58:30,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:58:30,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:58:30,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:58:30,075 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:58:30,076 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:58:30,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:58:30,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:58:30,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:58:30,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:58:30,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:58:30,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:58:30,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:58:30,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:58:30,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:58:30,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:58:30,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:58:30,081 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:58:30,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:58:30,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:58:30,082 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 04:58:30,089 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:58:30,089 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:58:30,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:58:30,090 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:58:30,090 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:58:30,090 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:58:30,090 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:58:30,090 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:58:30,091 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:58:30,091 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:58:30,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:58:30,091 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:58:30,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:58:30,092 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:58:30,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:58:30,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:58:30,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 04:58:30,094 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d8341963-15ce-40db-bf14-28790d797b97/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 -> bf1168110983bcf9fdc75fe12a6575329d72d984 [2018-12-03 04:58:30,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:58:30,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:58:30,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:58:30,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:58:30,127 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:58:30,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:30,174 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/e4aee3d66/05c8484d711c425a808280beeb4b4c0f/FLAGf55b89030 [2018-12-03 04:58:30,624 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:58:30,624 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:30,627 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/e4aee3d66/05c8484d711c425a808280beeb4b4c0f/FLAGf55b89030 [2018-12-03 04:58:30,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/data/e4aee3d66/05c8484d711c425a808280beeb4b4c0f [2018-12-03 04:58:30,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:58:30,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:58:30,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:58:30,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:58:30,641 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:58:30,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313ca3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30, skipping insertion in model container [2018-12-03 04:58:30,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:58:30,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:58:30,738 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:58:30,741 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:58:30,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:58:30,757 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:58:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30 WrapperNode [2018-12-03 04:58:30,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:58:30,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:58:30,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:58:30,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:58:30,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:58:30,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:58:30,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:58:30,770 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:58:30,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... [2018-12-03 04:58:30,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:58:30,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:58:30,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:58:30,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:58:30,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/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 [2018-12-03 04:58:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:58:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:58:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:58:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:58:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:58:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:58:30,906 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:58:30,906 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 04:58:30,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:30 BoogieIcfgContainer [2018-12-03 04:58:30,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:58:30,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:58:30,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:58:30,909 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:58:30,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:58:30" (1/3) ... [2018-12-03 04:58:30,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e364136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:58:30, skipping insertion in model container [2018-12-03 04:58:30,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:58:30" (2/3) ... [2018-12-03 04:58:30,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e364136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:58:30, skipping insertion in model container [2018-12-03 04:58:30,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:30" (3/3) ... [2018-12-03 04:58:30,911 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-03 04:58:30,916 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:58:30,919 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:58:30,928 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:58:30,944 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 04:58:30,944 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:58:30,944 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:58:30,944 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:58:30,944 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:58:30,944 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:58:30,945 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:58:30,945 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:58:30,945 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:58:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-03 04:58:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 04:58:30,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:58:30,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:58:30,959 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:58:30,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:58:30,962 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-03 04:58:30,964 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-03 04:58:30,964 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-03 04:58:31,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:58:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:58:31,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:58:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:58:31,117 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:58:31,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:58:31,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:58:31,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:58:31,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:58:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:58:31,131 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-03 04:58:31,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:58:31,143 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-03 04:58:31,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:58:31,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-03 04:58:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:58:31,148 INFO L225 Difference]: With dead ends: 16 [2018-12-03 04:58:31,148 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 04:58:31,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:58:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 04:58:31,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 04:58:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 04:58:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 04:58:31,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-03 04:58:31,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:58:31,165 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 04:58:31,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:58:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 04:58:31,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 04:58:31,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 04:58:31,199 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-03 04:58:31,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:58:31,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:58:31,199 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 04:58:31,200 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:58:31,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:58:31,200 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-12-03 04:58:31,200 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 3 14) the Hoare annotation is: true [2018-12-03 04:58:31,200 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 3 14) no Hoare annotation was computed. [2018-12-03 04:58:31,200 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 3 14) no Hoare annotation was computed. [2018-12-03 04:58:31,200 INFO L444 ceAbstractionStarter]: At program point L8(lines 3 14) the Hoare annotation is: false [2018-12-03 04:58:31,201 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2018-12-03 04:58:31,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:58:31 BoogieIcfgContainer [2018-12-03 04:58:31,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:58:31,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:58:31,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:58:31,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:58:31,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:58:30" (3/4) ... [2018-12-03 04:58:31,207 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 04:58:31,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 04:58:31,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 04:58:31,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 04:58:31,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 04:58:31,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 04:58:31,235 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8341963-15ce-40db-bf14-28790d797b97/bin-2019/utaipan/witness.graphml [2018-12-03 04:58:31,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:58:31,235 INFO L168 Benchmark]: Toolchain (without parser) took 597.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 387.6 kB. Max. memory is 11.5 GB. [2018-12-03 04:58:31,236 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:31,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.87 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:31,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.12 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:31,237 INFO L168 Benchmark]: Boogie Preprocessor took 11.74 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:58:31,237 INFO L168 Benchmark]: RCFGBuilder took 124.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:31,237 INFO L168 Benchmark]: TraceAbstraction took 297.62 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:31,238 INFO L168 Benchmark]: Witness Printer took 30.24 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-03 04:58:31,239 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.87 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 12.12 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.74 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 124.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 297.62 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Witness Printer took 30.24 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 3]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 2 NumberOfNonLiveVariables, 14 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...