./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/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 9bcaeaea390de0d2b32b8c11c56b4b66e7b2005e ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:53:19,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:53:19,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:53:19,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:53:19,576 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:53:19,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:53:19,578 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:53:19,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:53:19,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:53:19,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:53:19,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:53:19,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:53:19,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:53:19,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:53:19,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:53:19,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:53:19,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:53:19,587 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:53:19,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:53:19,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:53:19,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:53:19,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:53:19,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:53:19,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:53:19,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:53:19,594 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:53:19,595 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:53:19,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:53:19,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:53:19,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:53:19,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:53:19,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:53:19,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:53:19,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:53:19,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:53:19,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:53:19,600 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 16:53:19,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:53:19,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:53:19,611 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:53:19,611 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:53:19,612 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:53:19,612 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:53:19,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:53:19,612 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:53:19,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:53:19,613 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:53:19,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:53:19,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:53:19,614 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:53:19,615 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:53:19,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:53:19,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:53:19,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:53:19,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:53:19,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:53:19,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:53:19,616 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:53:19,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:53:19,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:53:19,616 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_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/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 -> 9bcaeaea390de0d2b32b8c11c56b4b66e7b2005e [2018-11-18 16:53:19,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:53:19,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:53:19,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:53:19,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:53:19,648 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:53:19,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Copenhagen_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 16:53:19,682 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/data/c9489c29a/0006e54ad1d344c4b6be6e2dd77776f8/FLAGc6f6e4e07 [2018-11-18 16:53:20,092 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:53:20,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/sv-benchmarks/c/termination-crafted/Copenhagen_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 16:53:20,097 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/data/c9489c29a/0006e54ad1d344c4b6be6e2dd77776f8/FLAGc6f6e4e07 [2018-11-18 16:53:20,108 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/data/c9489c29a/0006e54ad1d344c4b6be6e2dd77776f8 [2018-11-18 16:53:20,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:53:20,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:53:20,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:20,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:53:20,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:53:20,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24248849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20, skipping insertion in model container [2018-11-18 16:53:20,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:53:20,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:53:20,229 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:20,231 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:53:20,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:20,246 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:53:20,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20 WrapperNode [2018-11-18 16:53:20,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:20,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:20,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:53:20,247 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:53:20,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:20,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:53:20,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:53:20,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:53:20,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:53:20,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:53:20,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:53:20,275 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:53:20,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/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 [2018-11-18 16:53:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:53:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:53:20,438 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:53:20,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:20 BoogieIcfgContainer [2018-11-18 16:53:20,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:53:20,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:53:20,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:53:20,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:53:20,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:20" (1/1) ... [2018-11-18 16:53:20,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 16:53:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 16:53:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 16:53:20,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-18 16:53:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-18 16:53:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 16:53:20,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 16:53:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 16:53:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 16:53:20,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-11-18 16:53:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-11-18 16:53:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 16:53:20,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-18 16:53:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-18 16:53:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:53:21,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 16:53:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 16:53:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:53:21,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:53:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:53:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:53:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 16:53:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 16:53:21,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:53:21,506 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 16:53:21,514 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 16:53:21,538 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:53:21,539 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-18 16:53:21,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:53:21 ImpRootNode [2018-11-18 16:53:21,544 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:53:21,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:53:21,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:53:21,545 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:53:21,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:20" (3/4) ... [2018-11-18 16:53:21,548 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:53:21,554 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:53:21,554 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:53:21,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:53:21,581 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1fe3b2c0-38a8-48cd-9d8b-c253b336de29/bin-2019/ukojak/witness.graphml [2018-11-18 16:53:21,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:53:21,582 INFO L168 Benchmark]: Toolchain (without parser) took 1471.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 959.1 MB in the beginning and 939.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,583 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:21,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,584 INFO L168 Benchmark]: Boogie Preprocessor took 9.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:53:21,584 INFO L168 Benchmark]: RCFGBuilder took 164.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,585 INFO L168 Benchmark]: CodeCheck took 1105.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.4 MB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,586 INFO L168 Benchmark]: Witness Printer took 37.18 ms. Allocated memory is still 1.2 GB. Free memory was 942.4 MB in the beginning and 939.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:53:21,587 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 1 procedures, 16 locations, 4 error locations. SAFE Result, 1.0s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 390 SDslu, 128 SDs, 0 SdLazy, 1300 SolverSat, 238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 288 SyntacticMatches, 11 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/8 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.33 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 164.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1105.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.4 MB in the end (delta: 188.7 MB). Peak memory consumption was 188.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.18 ms. Allocated memory is still 1.2 GB. Free memory was 942.4 MB in the beginning and 939.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...