./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i --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_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 ................................................................................................................................................................................................................................................. 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_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/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 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:52:29,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:52:29,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:52:29,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:52:29,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:52:29,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:52:29,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:52:29,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:52:29,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:52:29,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:52:29,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:52:29,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:52:29,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:52:29,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:52:29,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:52:29,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:52:29,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:52:29,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:52:29,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:52:29,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:52:29,580 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:52:29,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:52:29,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:52:29,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:52:29,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:52:29,582 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:52:29,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:52:29,583 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:52:29,584 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:52:29,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:52:29,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:52:29,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:52:29,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:52:29,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:52:29,585 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:52:29,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:52:29,586 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:52:29,593 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:52:29,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:52:29,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:52:29,593 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:52:29,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:52:29,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:52:29,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:52:29,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:52:29,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:52:29,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:52:29,595 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:52:29,595 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:52:29,596 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:52:29,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:52:29,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:52:29,597 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:52:29,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:52:29,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:52:29,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:52:29,598 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_b0932364-4741-44be-b486-b63470daa5b8/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-12-02 02:52:29,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:52:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:52:29,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:52:29,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:52:29,624 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:52:29,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:29,660 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/30721cea3/01b69e9c88a645719e8c714c7b40ef5e/FLAGb69bfd1ef [2018-12-02 02:52:29,970 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:52:29,970 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:29,975 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/30721cea3/01b69e9c88a645719e8c714c7b40ef5e/FLAGb69bfd1ef [2018-12-02 02:52:29,985 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/30721cea3/01b69e9c88a645719e8c714c7b40ef5e [2018-12-02 02:52:29,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:52:29,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:52:29,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:52:29,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:52:29,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:52:29,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:29" (1/1) ... [2018-12-02 02:52:29,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf66e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:29, skipping insertion in model container [2018-12-02 02:52:29,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:29" (1/1) ... [2018-12-02 02:52:29,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:52:30,006 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:52:30,091 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:52:30,094 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:52:30,101 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:52:30,109 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:52:30,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30 WrapperNode [2018-12-02 02:52:30,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:52:30,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:52:30,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:52:30,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:52:30,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:52:30,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:52:30,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:52:30,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:52:30,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... [2018-12-02 02:52:30,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:52:30,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:52:30,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:52:30,141 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:52:30,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:52:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:52:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:52:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:52:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:52:30,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:52:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:52:30,269 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:52:30,269 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 02:52:30,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:30 BoogieIcfgContainer [2018-12-02 02:52:30,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:52:30,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:52:30,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:52:30,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:52:30,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:52:29" (1/3) ... [2018-12-02 02:52:30,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0e098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:30, skipping insertion in model container [2018-12-02 02:52:30,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:30" (2/3) ... [2018-12-02 02:52:30,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d0e098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:30, skipping insertion in model container [2018-12-02 02:52:30,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:30" (3/3) ... [2018-12-02 02:52:30,274 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:30,280 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:52:30,284 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:52:30,294 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:52:30,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:52:30,312 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:52:30,312 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:52:30,312 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:52:30,313 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:52:30,313 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:52:30,313 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:52:30,313 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:52:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-02 02:52:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 02:52:30,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:52:30,327 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:52:30,328 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:52:30,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:52:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-02 02:52:30,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:52:30,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:52:30,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:52:30,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:52:30,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:52:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:52:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:52:30,393 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 02:52:30,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:52:30 BoogieIcfgContainer [2018-12-02 02:52:30,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:52:30,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:52:30,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:52:30,407 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:52:30,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:30" (3/4) ... [2018-12-02 02:52:30,409 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 02:52:30,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:52:30,410 INFO L168 Benchmark]: Toolchain (without parser) took 423.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:52:30,411 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. [2018-12-02 02:52:30,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 940.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:30,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.21 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 937.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:30,412 INFO L168 Benchmark]: Boogie Preprocessor took 14.32 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:52:30,413 INFO L168 Benchmark]: RCFGBuilder took 129.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:30,413 INFO L168 Benchmark]: TraceAbstraction took 135.94 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:30,414 INFO L168 Benchmark]: Witness Printer took 3.01 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:30,416 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 121.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 940.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.21 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 937.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.32 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 129.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 135.94 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.0s 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 [2018-12-02 02:52:31,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:52:31,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:52:31,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:52:31,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:52:31,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:52:31,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:52:31,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:52:31,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:52:31,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:52:31,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:52:31,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:52:31,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:52:31,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:52:31,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:52:31,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:52:31,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:52:31,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:52:31,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:52:31,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:52:31,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:52:31,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:52:31,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:52:31,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:52:31,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:52:31,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:52:31,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:52:31,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:52:31,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:52:31,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:52:31,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:52:31,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:52:31,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:52:31,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:52:31,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:52:31,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:52:31,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 02:52:31,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:52:31,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:52:31,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:52:31,809 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:52:31,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:52:31,809 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:52:31,809 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:52:31,809 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:52:31,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:52:31,810 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:52:31,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:52:31,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:52:31,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:52:31,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:52:31,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:52:31,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:52:31,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:52:31,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:52:31,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:52:31,813 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 02:52:31,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:52:31,813 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 02:52:31,813 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 02:52:31,813 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_b0932364-4741-44be-b486-b63470daa5b8/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 -> 3ae83f4ba6a5445cacb58a433d1ffd94ad9f6563 [2018-12-02 02:52:31,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:52:31,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:52:31,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:52:31,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:52:31,841 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:52:31,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:31,874 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/0cae8010f/64c4d1687f5e47328e21e9256a7932d6/FLAGa8e33927d [2018-12-02 02:52:32,256 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:52:32,257 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:32,260 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/0cae8010f/64c4d1687f5e47328e21e9256a7932d6/FLAGa8e33927d [2018-12-02 02:52:32,271 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/data/0cae8010f/64c4d1687f5e47328e21e9256a7932d6 [2018-12-02 02:52:32,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:52:32,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:52:32,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:52:32,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:52:32,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:52:32,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0a9d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32, skipping insertion in model container [2018-12-02 02:52:32,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:52:32,294 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:52:32,384 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:52:32,388 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:52:32,396 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:52:32,405 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:52:32,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32 WrapperNode [2018-12-02 02:52:32,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:52:32,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:52:32,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:52:32,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:52:32,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:52:32,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:52:32,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:52:32,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:52:32,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... [2018-12-02 02:52:32,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:52:32,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:52:32,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:52:32,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:52:32,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:52:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:52:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:52:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:52:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:52:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:52:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:52:32,569 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:52:32,569 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 02:52:32,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:32 BoogieIcfgContainer [2018-12-02 02:52:32,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:52:32,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:52:32,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:52:32,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:52:32,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:52:32" (1/3) ... [2018-12-02 02:52:32,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45de71bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:32, skipping insertion in model container [2018-12-02 02:52:32,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:52:32" (2/3) ... [2018-12-02 02:52:32,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45de71bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:32, skipping insertion in model container [2018-12-02 02:52:32,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:32" (3/3) ... [2018-12-02 02:52:32,574 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp1_true-unreach-call_true-termination.i [2018-12-02 02:52:32,579 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:52:32,583 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:52:32,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:52:32,607 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 02:52:32,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:52:32,608 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:52:32,608 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:52:32,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:52:32,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:52:32,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:52:32,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:52:32,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:52:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-02 02:52:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 02:52:32,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:52:32,620 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:52:32,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:52:32,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:52:32,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2018-12-02 02:52:32,627 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:52:32,627 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 02:52:32,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:52:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:52:32,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:52:32,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:52:32,690 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:52:32,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:52:32,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:52:32,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:52:32,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:52:32,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:52:32,710 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2018-12-02 02:52:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:52:32,722 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-12-02 02:52:32,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:52:32,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 02:52:32,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:52:32,727 INFO L225 Difference]: With dead ends: 16 [2018-12-02 02:52:32,727 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:52:32,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:52:32,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:52:32,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:52:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:52:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:52:32,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-12-02 02:52:32,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:52:32,746 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:52:32,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:52:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:52:32,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:52:32,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:52:32,776 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 02:52:32,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:52:32,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:52:32,776 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 02:52:32,776 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:52:32,776 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:52:32,776 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-12-02 02:52:32,776 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 2 11) the Hoare annotation is: true [2018-12-02 02:52:32,777 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-12-02 02:52:32,777 INFO L448 ceAbstractionStarter]: For program point L10-1(line 10) no Hoare annotation was computed. [2018-12-02 02:52:32,777 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2 11) no Hoare annotation was computed. [2018-12-02 02:52:32,777 INFO L448 ceAbstractionStarter]: For program point L10-3(lines 2 11) no Hoare annotation was computed. [2018-12-02 02:52:32,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:52:32 BoogieIcfgContainer [2018-12-02 02:52:32,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:52:32,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:52:32,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:52:32,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:52:32,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:32" (3/4) ... [2018-12-02 02:52:32,781 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:52:32,785 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:52:32,785 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:52:32,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 02:52:32,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 02:52:32,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:52:32,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0932364-4741-44be-b486-b63470daa5b8/bin-2019/utaipan/witness.graphml [2018-12-02 02:52:32,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:52:32,809 INFO L168 Benchmark]: Toolchain (without parser) took 535.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:52:32,810 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-02 02:52:32,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.54 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. [2018-12-02 02:52:32,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.98 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. [2018-12-02 02:52:32,811 INFO L168 Benchmark]: Boogie Preprocessor took 14.91 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. [2018-12-02 02:52:32,811 INFO L168 Benchmark]: RCFGBuilder took 135.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:32,811 INFO L168 Benchmark]: TraceAbstraction took 208.45 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:52:32,811 INFO L168 Benchmark]: Witness Printer took 30.07 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. [2018-12-02 02:52:32,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 130.54 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 12.98 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 14.91 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 135.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 208.45 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.07 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: - PositiveResult [Line: 10]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. SAFE Result, 0.1s 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, 4 SyntacticMatches, 1 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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, 96 SizeOfPredicates, 3 NumberOfNonLiveVariables, 15 ConjunctsInSsa, 4 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...