/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:46:13,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:46:13,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:46:13,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:46:13,962 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:46:13,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:46:13,966 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:46:13,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:46:13,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:46:13,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:46:13,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:46:13,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:46:13,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:46:13,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:46:13,975 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:46:13,975 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:46:13,976 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:46:13,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:46:13,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:46:13,982 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:46:13,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:46:13,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:46:13,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:46:13,987 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:46:13,987 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:46:13,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:46:13,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:46:13,990 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:46:13,991 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:46:13,992 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:46:13,992 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:46:13,993 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:46:13,993 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:46:13,993 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:46:13,994 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:46:13,995 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:46:13,995 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:46:14,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:46:14,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:46:14,012 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:46:14,012 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:46:14,013 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:46:14,015 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:46:14,015 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:46:14,016 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:46:14,016 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:46:14,016 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:46:14,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:46:14,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:46:14,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:46:14,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:46:14,017 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:46:14,017 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:46:14,017 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:46:14,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:46:14,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:46:14,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:46:14,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:46:14,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:46:14,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:46:14,021 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:46:14,021 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:46:14,021 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:46:14,021 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:46:14,022 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:46:14,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:46:14,022 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-09-20 13:46:14,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:46:14,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:46:14,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:46:14,133 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:46:14,134 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:46:14,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:14,487 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f712aad/df5d79cc40dc41b4a5bf04dd5bd8c733/FLAG087e2cedf [2018-09-20 13:46:14,638 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:46:14,639 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:14,647 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f712aad/df5d79cc40dc41b4a5bf04dd5bd8c733/FLAG087e2cedf [2018-09-20 13:46:14,664 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85f712aad/df5d79cc40dc41b4a5bf04dd5bd8c733 [2018-09-20 13:46:14,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:46:14,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:46:14,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:14,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:46:14,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:46:14,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:14,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5eb9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14, skipping insertion in model container [2018-09-20 13:46:14,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:14,700 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:46:14,927 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:14,945 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:46:14,956 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:14,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14 WrapperNode [2018-09-20 13:46:14,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:14,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:46:14,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:46:14,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:46:15,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... [2018-09-20 13:46:15,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:46:15,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:46:15,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:46:15,024 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:46:15,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:46:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:46:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:46:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-09-20 13:46:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:46:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:46:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-09-20 13:46:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 13:46:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:46:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 13:46:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 13:46:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 13:46:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 13:46:15,514 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:46:15,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:15 BoogieIcfgContainer [2018-09-20 13:46:15,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:46:15,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:46:15,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:46:15,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:46:15,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:46:14" (1/3) ... [2018-09-20 13:46:15,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0945df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:15, skipping insertion in model container [2018-09-20 13:46:15,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:14" (2/3) ... [2018-09-20 13:46:15,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0945df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:15, skipping insertion in model container [2018-09-20 13:46:15,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:15" (3/3) ... [2018-09-20 13:46:15,528 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:15,536 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:46:15,544 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:46:15,593 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:46:15,593 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:46:15,594 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:46:15,594 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:46:15,594 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:46:15,594 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:46:15,594 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:46:15,594 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:46:15,594 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:46:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-20 13:46:15,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-20 13:46:15,626 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:46:15,627 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:46:15,629 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:46:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash -826202944, now seen corresponding path program 1 times [2018-09-20 13:46:15,637 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:46:15,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:46:15,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:46:15,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:46:15,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:46:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:46:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 13:46:15,796 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 13:46:15,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:46:15 BoogieIcfgContainer [2018-09-20 13:46:15,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:46:15,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:46:15,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:46:15,827 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:46:15,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:15" (3/4) ... [2018-09-20 13:46:15,833 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 13:46:15,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:46:15,834 INFO L168 Benchmark]: Toolchain (without parser) took 1165.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:15,836 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-09-20 13:46:15,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:15,841 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:15,841 INFO L168 Benchmark]: RCFGBuilder took 490.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:15,843 INFO L168 Benchmark]: TraceAbstraction took 310.40 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:15,845 INFO L168 Benchmark]: Witness Printer took 6.86 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. [2018-09-20 13:46:15,851 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 310.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 1.0 GB. Free memory is still 939.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 490.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 310.40 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: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) VAL [\old(b)=762388928] [L100] float sum = a + b; VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928] [L101] FCALL union mix m; VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}] [L102] FCALL m.f = sum VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, sum=2147483651] [L103] EXPR, FCALL m.i VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, m.i=2147483648, sum=2147483651] [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() VAL [\old(a)=2147483650, \old(b)=762388928, a=2147483650, b=762388928, m={2147483652:0}, sum=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.2s 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=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 0.1.23-40ef509 [2018-09-20 13:46:18,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:46:18,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:46:18,324 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:46:18,324 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:46:18,326 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:46:18,327 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:46:18,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:46:18,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:46:18,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:46:18,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:46:18,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:46:18,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:46:18,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:46:18,337 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:46:18,338 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:46:18,339 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:46:18,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:46:18,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:46:18,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:46:18,346 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:46:18,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:46:18,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:46:18,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:46:18,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:46:18,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:46:18,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:46:18,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:46:18,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:46:18,359 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:46:18,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:46:18,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:46:18,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:46:18,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:46:18,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:46:18,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:46:18,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:46:18,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:46:18,397 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:46:18,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:46:18,398 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:46:18,398 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:46:18,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:46:18,400 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:46:18,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:46:18,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:46:18,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:46:18,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:46:18,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:46:18,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:46:18,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:46:18,402 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:46:18,402 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:46:18,402 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:46:18,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:46:18,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:46:18,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:46:18,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:46:18,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:46:18,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:46:18,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:46:18,405 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:46:18,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:46:18,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:46:18,405 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:46:18,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:46:18,406 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:46:18,406 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:46:18,406 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> af383046837f49b57572febe7198ecca5fffa750 [2018-09-20 13:46:18,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:46:18,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:46:18,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:46:18,505 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:46:18,505 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:46:18,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:18,917 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74773358/f68beec624884dee825d1f6103c6fe8a/FLAG1934bc070 [2018-09-20 13:46:19,072 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:46:19,073 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:19,082 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74773358/f68beec624884dee825d1f6103c6fe8a/FLAG1934bc070 [2018-09-20 13:46:19,101 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74773358/f68beec624884dee825d1f6103c6fe8a [2018-09-20 13:46:19,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:46:19,108 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:46:19,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:19,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:46:19,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:46:19,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2d1e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19, skipping insertion in model container [2018-09-20 13:46:19,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,137 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:46:19,357 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:19,377 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:46:19,391 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:46:19,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19 WrapperNode [2018-09-20 13:46:19,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:19,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:46:19,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:46:19,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:46:19,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... [2018-09-20 13:46:19,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:46:19,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:46:19,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:46:19,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:46:19,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-09-20 13:46:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:46:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:46:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-09-20 13:46:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:46:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:46:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-09-20 13:46:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 13:46:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-20 13:46:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 13:46:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 13:46:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 13:46:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-20 13:46:19,840 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 13:46:20,023 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:46:20,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:20 BoogieIcfgContainer [2018-09-20 13:46:20,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:46:20,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:46:20,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:46:20,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:46:20,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:46:19" (1/3) ... [2018-09-20 13:46:20,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b434b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:20, skipping insertion in model container [2018-09-20 13:46:20,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:19" (2/3) ... [2018-09-20 13:46:20,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b434b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:46:20, skipping insertion in model container [2018-09-20 13:46:20,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:20" (3/3) ... [2018-09-20 13:46:20,038 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-09-20 13:46:20,047 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:46:20,055 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:46:20,108 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:46:20,109 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:46:20,109 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:46:20,109 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:46:20,110 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:46:20,110 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:46:20,110 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:46:20,110 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:46:20,110 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:46:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-20 13:46:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-20 13:46:20,136 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:46:20,137 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:46:20,140 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:46:20,149 INFO L82 PathProgramCache]: Analyzing trace with hash -826202944, now seen corresponding path program 1 times [2018-09-20 13:46:20,154 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 13:46:20,155 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 13:46:20,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 13:46:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 13:46:20,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 13:46:20,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-20 13:46:20,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-20 13:46:20,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2018-09-20 13:46:20,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-09-20 13:46:20,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-09-20 13:46:20,538 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-20 13:46:20,577 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:21 [2018-09-20 13:46:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 13:46:20,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 13:46:20,643 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 13:46:20,643 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-20 13:46:20,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-20 13:46:20,662 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-20 13:46:20,663 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-20 13:46:20,666 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2018-09-20 13:46:21,114 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 13:46:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 13:46:21,192 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-09-20 13:46:21,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-20 13:46:21,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-09-20 13:46:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 13:46:21,204 INFO L225 Difference]: With dead ends: 33 [2018-09-20 13:46:21,205 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 13:46:21,209 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-20 13:46:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 13:46:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 13:46:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 13:46:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 13:46:21,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-09-20 13:46:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 13:46:21,241 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 13:46:21,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-20 13:46:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 13:46:21,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 13:46:21,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 13:46:21,303 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:46:21,303 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:46:21,303 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:46:21,303 INFO L426 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L429 ceAbstractionStarter]: At program point f00ENTRY(lines 99 106) the Hoare annotation is: true [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point f00EXIT(lines 99 106) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point f00FINAL(lines 99 106) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-09-20 13:46:21,304 INFO L426 ceAbstractionStarter]: For program point L101-1(line 101) no Hoare annotation was computed. [2018-09-20 13:46:21,305 INFO L426 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-09-20 13:46:21,305 INFO L426 ceAbstractionStarter]: For program point L101-2(line 101) no Hoare annotation was computed. [2018-09-20 13:46:21,305 INFO L426 ceAbstractionStarter]: For program point L101-3(line 101) no Hoare annotation was computed. [2018-09-20 13:46:21,305 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 13:46:21,305 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 13:46:21,305 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 13:46:21,305 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 13:46:21,306 INFO L426 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-09-20 13:46:21,306 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 108 113) the Hoare annotation is: true [2018-09-20 13:46:21,306 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 108 113) no Hoare annotation was computed. [2018-09-20 13:46:21,306 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 108 113) no Hoare annotation was computed. [2018-09-20 13:46:21,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:46:21 BoogieIcfgContainer [2018-09-20 13:46:21,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 13:46:21,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 13:46:21,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 13:46:21,311 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 13:46:21,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:46:20" (3/4) ... [2018-09-20 13:46:21,316 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 13:46:21,325 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 13:46:21,325 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-09-20 13:46:21,325 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 13:46:21,330 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-09-20 13:46:21,330 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-09-20 13:46:21,331 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 13:46:21,377 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 13:46:21,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 13:46:21,379 INFO L168 Benchmark]: Toolchain (without parser) took 2273.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -104.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:21,380 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-09-20 13:46:21,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:21,385 INFO L168 Benchmark]: Boogie Preprocessor took 46.18 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:21,385 INFO L168 Benchmark]: RCFGBuilder took 553.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:21,386 INFO L168 Benchmark]: TraceAbstraction took 1284.84 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:21,387 INFO L168 Benchmark]: Witness Printer took 67.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:21,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 313.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.18 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 553.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1284.84 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: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.23 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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 4 procedures, 23 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 17 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 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, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 9 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...