./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_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/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_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/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_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/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_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/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 [2018-12-09 08:03:15,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:03:15,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:03:15,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:03:15,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:03:15,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:03:15,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:03:15,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:03:15,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:03:15,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:03:15,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:03:15,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:03:15,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:03:15,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:03:15,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:03:15,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:03:15,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:03:15,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:03:15,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:03:15,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:03:15,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:03:15,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:03:15,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:03:15,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:03:15,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:03:15,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:03:15,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:03:15,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:03:15,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:03:15,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:03:15,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:03:15,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:03:15,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:03:15,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:03:15,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:03:15,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:03:15,480 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 08:03:15,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:03:15,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:03:15,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 08:03:15,488 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 08:03:15,488 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 08:03:15,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:03:15,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:03:15,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:15,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:03:15,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:03:15,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:03:15,491 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 08:03:15,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:03:15,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:03:15,491 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 08:03:15,491 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_4861c90f-311e-45fa-8690-9a896d395a36/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 [2018-12-09 08:03:15,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:03:15,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:03:15,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:03:15,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:03:15,522 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:03:15,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:15,564 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/5eba652b3/36558cf8ba414007bcd576de04a89e8b/FLAG1f70846f5 [2018-12-09 08:03:15,993 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:03:15,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:15,997 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/5eba652b3/36558cf8ba414007bcd576de04a89e8b/FLAG1f70846f5 [2018-12-09 08:03:16,005 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/5eba652b3/36558cf8ba414007bcd576de04a89e8b [2018-12-09 08:03:16,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:03:16,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:03:16,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:16,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:03:16,010 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:03:16,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16, skipping insertion in model container [2018-12-09 08:03:16,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:03:16,026 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:03:16,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:16,108 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:03:16,116 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:16,123 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:03:16,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16 WrapperNode [2018-12-09 08:03:16,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:16,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:16,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:03:16,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:03:16,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:16,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:03:16,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:03:16,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:03:16,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... [2018-12-09 08:03:16,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:03:16,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:03:16,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:03:16,147 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:03:16,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:03:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:03:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:03:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:03:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:03:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:03:16,284 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:03:16,284 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 08:03:16,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:16 BoogieIcfgContainer [2018-12-09 08:03:16,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:03:16,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:03:16,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:03:16,287 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:03:16,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:03:16" (1/3) ... [2018-12-09 08:03:16,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e95edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:16, skipping insertion in model container [2018-12-09 08:03:16,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:16" (2/3) ... [2018-12-09 08:03:16,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e95edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:16, skipping insertion in model container [2018-12-09 08:03:16,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:16" (3/3) ... [2018-12-09 08:03:16,289 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:16,295 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:03:16,299 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:03:16,309 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:03:16,327 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:03:16,327 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:03:16,327 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:03:16,327 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:03:16,327 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:03:16,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:03:16,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:03:16,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:03:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 08:03:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 08:03:16,341 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:03:16,341 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:03:16,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:03:16,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:03:16,346 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 08:03:16,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:03:16,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:03:16,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:03:16,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:03:16,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:03:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:03:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:03:16,410 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 08:03:16,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:03:16 BoogieIcfgContainer [2018-12-09 08:03:16,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:03:16,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:03:16,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:03:16,424 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:03:16,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:16" (3/4) ... [2018-12-09 08:03:16,427 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 08:03:16,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:03:16,428 INFO L168 Benchmark]: Toolchain (without parser) took 420.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -119.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:16,429 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:16,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.94 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:16,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.81 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:16,430 INFO L168 Benchmark]: Boogie Preprocessor took 10.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:16,430 INFO L168 Benchmark]: RCFGBuilder took 137.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:16,431 INFO L168 Benchmark]: TraceAbstraction took 138.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:16,431 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:16,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.94 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.81 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.62 ms. Allocated memory is still 1.0 GB. Free memory is still 947.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 137.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 138.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.1 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 [2018-12-09 08:03:17,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:03:17,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:03:17,817 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:03:17,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:03:17,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:03:17,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:03:17,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:03:17,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:03:17,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:03:17,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:03:17,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:03:17,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:03:17,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:03:17,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:03:17,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:03:17,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:03:17,826 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:03:17,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:03:17,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:03:17,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:03:17,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:03:17,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:03:17,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:03:17,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:03:17,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:03:17,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:03:17,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:03:17,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:03:17,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:03:17,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:03:17,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:03:17,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:03:17,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:03:17,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:03:17,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:03:17,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 08:03:17,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:03:17,842 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:03:17,842 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:03:17,842 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:03:17,842 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 08:03:17,842 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 08:03:17,842 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 08:03:17,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:03:17,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:03:17,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:03:17,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:17,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 08:03:17,845 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 08:03:17,845 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_4861c90f-311e-45fa-8690-9a896d395a36/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 [2018-12-09 08:03:17,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:03:17,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:03:17,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:03:17,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:03:17,874 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:03:17,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:17,911 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/a2177015d/e8346e5fbc414b928a49695f5197b8ea/FLAG2150e8a80 [2018-12-09 08:03:18,295 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:03:18,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/sv-benchmarks/c/bitvector-regression/integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:18,299 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/a2177015d/e8346e5fbc414b928a49695f5197b8ea/FLAG2150e8a80 [2018-12-09 08:03:18,306 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/data/a2177015d/e8346e5fbc414b928a49695f5197b8ea [2018-12-09 08:03:18,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:03:18,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:03:18,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:18,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:03:18,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:03:18,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7695bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18, skipping insertion in model container [2018-12-09 08:03:18,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:03:18,325 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:03:18,406 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:18,409 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:03:18,417 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:03:18,425 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:03:18,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18 WrapperNode [2018-12-09 08:03:18,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:03:18,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:18,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:03:18,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:03:18,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:03:18,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:03:18,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:03:18,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:03:18,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... [2018-12-09 08:03:18,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:03:18,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:03:18,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:03:18,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:03:18,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:03:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:03:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:03:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:03:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:03:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:03:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:03:18,575 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:03:18,575 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 08:03:18,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:18 BoogieIcfgContainer [2018-12-09 08:03:18,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:03:18,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:03:18,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:03:18,578 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:03:18,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:03:18" (1/3) ... [2018-12-09 08:03:18,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c632f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:18, skipping insertion in model container [2018-12-09 08:03:18,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:03:18" (2/3) ... [2018-12-09 08:03:18,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c632f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:03:18, skipping insertion in model container [2018-12-09 08:03:18,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:18" (3/3) ... [2018-12-09 08:03:18,580 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_true-unreach-call_true-termination.c [2018-12-09 08:03:18,586 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:03:18,590 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:03:18,598 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:03:18,614 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:03:18,615 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:03:18,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:03:18,615 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:03:18,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:03:18,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:03:18,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:03:18,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:03:18,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:03:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 08:03:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 08:03:18,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:03:18,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:03:18,629 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:03:18,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:03:18,633 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 08:03:18,635 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 08:03:18,635 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/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 [2018-12-09 08:03:18,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:03:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:03:18,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:03:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:03:18,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 08:03:18,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:03:18,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:03:18,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:03:18,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:03:18,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:03:18,783 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-09 08:03:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:03:18,796 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-09 08:03:18,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:03:18,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-09 08:03:18,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:03:18,802 INFO L225 Difference]: With dead ends: 16 [2018-12-09 08:03:18,802 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 08:03:18,804 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 [2018-12-09 08:03:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 08:03:18,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 08:03:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 08:03:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 08:03:18,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-09 08:03:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:03:18,820 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:03:18,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:03:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:03:18,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:03:18,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 08:03:18,862 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 08:03:18,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:03:18,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:03:18,862 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 08:03:18,863 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 08:03:18,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:03:18,863 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 3 14) the Hoare annotation is: true [2018-12-09 08:03:18,863 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 3 14) no Hoare annotation was computed. [2018-12-09 08:03:18,863 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-12-09 08:03:18,863 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 3 14) no Hoare annotation was computed. [2018-12-09 08:03:18,863 INFO L444 ceAbstractionStarter]: At program point L8(lines 3 14) the Hoare annotation is: false [2018-12-09 08:03:18,863 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 9) no Hoare annotation was computed. [2018-12-09 08:03:18,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:03:18 BoogieIcfgContainer [2018-12-09 08:03:18,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:03:18,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:03:18,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:03:18,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:03:18,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:03:18" (3/4) ... [2018-12-09 08:03:18,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:03:18,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 08:03:18,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 08:03:18,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 08:03:18,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 08:03:18,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:03:18,896 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4861c90f-311e-45fa-8690-9a896d395a36/bin-2019/utaipan/witness.graphml [2018-12-09 08:03:18,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:03:18,897 INFO L168 Benchmark]: Toolchain (without parser) took 588.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 142.2 kB. Max. memory is 11.5 GB. [2018-12-09 08:03:18,898 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 08:03:18,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.03 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. [2018-12-09 08:03:18,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 932.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:18,899 INFO L168 Benchmark]: Boogie Preprocessor took 11.45 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:03:18,899 INFO L168 Benchmark]: RCFGBuilder took 126.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:18,899 INFO L168 Benchmark]: TraceAbstraction took 290.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:03:18,900 INFO L168 Benchmark]: Witness Printer took 29.56 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. [2018-12-09 08:03:18,901 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.03 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 11.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 932.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.45 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 126.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 29.56 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...