./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrspn_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrspn_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c74f0cc26425c1a044a70e86941b5dd82b132ff ................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:04:09,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:04:09,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:04:09,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:04:09,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:04:09,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:04:09,505 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:04:09,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:04:09,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:04:09,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:04:09,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:04:09,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:04:09,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:04:09,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:04:09,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:04:09,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:04:09,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:04:09,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:04:09,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:04:09,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:04:09,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:04:09,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:04:09,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:04:09,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:04:09,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:04:09,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:04:09,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:04:09,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:04:09,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:04:09,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:04:09,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:04:09,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:04:09,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:04:09,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:04:09,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:04:09,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:04:09,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 19:04:09,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:04:09,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:04:09,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:04:09,529 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:04:09,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:04:09,530 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:04:09,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:04:09,530 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 19:04:09,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:04:09,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:04:09,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:04:09,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:04:09,532 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:04:09,532 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:04:09,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:04:09,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:04:09,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:04:09,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:04:09,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:04:09,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:04:09,533 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:04:09,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:04:09,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:04:09,533 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_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c74f0cc26425c1a044a70e86941b5dd82b132ff [2018-12-09 19:04:09,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:04:09,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:04:09,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:04:09,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:04:09,570 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:04:09,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/cstrspn_true-termination_true-no-overflow.c [2018-12-09 19:04:09,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/data/2004b412c/020f5c32463744bcab52bc8014ab8bea/FLAG13a44e6b8 [2018-12-09 19:04:09,990 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:04:09,990 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/sv-benchmarks/c/termination-crafted-lit/cstrspn_true-termination_true-no-overflow.c [2018-12-09 19:04:09,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/data/2004b412c/020f5c32463744bcab52bc8014ab8bea/FLAG13a44e6b8 [2018-12-09 19:04:10,002 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/data/2004b412c/020f5c32463744bcab52bc8014ab8bea [2018-12-09 19:04:10,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:04:10,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:04:10,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:04:10,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:04:10,007 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:04:10,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757d378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10, skipping insertion in model container [2018-12-09 19:04:10,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:04:10,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:04:10,109 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:04:10,114 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:04:10,124 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:04:10,133 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:04:10,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10 WrapperNode [2018-12-09 19:04:10,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:04:10,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:04:10,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:04:10,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:04:10,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:04:10,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:04:10,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:04:10,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:04:10,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:04:10,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:04:10,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:04:10,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:04:10,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:04:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 19:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 19:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-12-09 19:04:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-12-09 19:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:04:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:04:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:04:10,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:04:10,396 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 19:04:10,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:04:10 BoogieIcfgContainer [2018-12-09 19:04:10,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:04:10,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:04:10,396 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:04:10,403 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:04:10,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:04:10" (1/1) ... [2018-12-09 19:04:10,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:04:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-09 19:04:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-09 19:04:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 19:04:10,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:04:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-09 19:04:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-09 19:04:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 19:04:10,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:04:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-12-09 19:04:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-12-09 19:04:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 19:04:10,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:04:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-12-09 19:04:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-12-09 19:04:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 19:04:10,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:04:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:04:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:04:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:04:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-12-09 19:04:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-12-09 19:04:10,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:04:10,710 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 19:04:10,716 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 19:04:10,738 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:04:10,740 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:04:10,740 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:04:10,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:04:10 ImpRootNode [2018-12-09 19:04:10,740 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:04:10,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:04:10,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:04:10,741 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:04:10,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:04:10" (3/4) ... [2018-12-09 19:04:10,743 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:04:10,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2018-12-09 19:04:10,749 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 19:04:10,749 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:04:10,750 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:04:10,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a42614ae-055f-4a63-abbb-ee6d60752528/bin-2019/ukojak/witness.graphml [2018-12-09 19:04:10,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:04:10,781 INFO L168 Benchmark]: Toolchain (without parser) took 777.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -89.3 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,782 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:04:10,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.47 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,783 INFO L168 Benchmark]: Boogie Preprocessor took 46.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,784 INFO L168 Benchmark]: RCFGBuilder took 193.98 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,784 INFO L168 Benchmark]: CodeCheck took 343.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,784 INFO L168 Benchmark]: Witness Printer took 40.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:04:10,785 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 30 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 SDtfs, 42 SDslu, 0 SDs, 0 SdLazy, 146 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.47 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 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 21.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 940.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.98 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 343.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * Witness Printer took 40.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...