./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.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_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 ................................................................................................................................................................................................................................................................................... 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 10:49:09,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:49:09,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:49:09,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:49:09,557 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:49:09,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:49:09,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:49:09,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:49:09,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:49:09,561 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:49:09,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:49:09,562 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:49:09,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:49:09,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:49:09,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:49:09,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:49:09,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:49:09,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:49:09,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:49:09,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:49:09,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:49:09,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:49:09,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:49:09,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:49:09,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:49:09,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:49:09,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:49:09,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:49:09,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:49:09,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:49:09,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:49:09,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:49:09,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:49:09,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:49:09,576 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:49:09,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:49:09,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 10:49:09,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:49:09,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:49:09,585 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:49:09,585 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:49:09,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:49:09,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:49:09,586 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 10:49:09,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:49:09,587 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:49:09,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:49:09,587 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:49:09,587 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:49:09,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:49:09,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:49:09,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:49:09,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:49:09,588 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:49:09,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:49:09,588 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:49:09,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:49:09,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:49:09,588 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_47fb6091-d54e-4157-8891-88b59eaee1dd/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 -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2018-11-18 10:49:09,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:49:09,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:49:09,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:49:09,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:49:09,626 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:49:09,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-18 10:49:09,672 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/data/e3c8aaa22/c2a7b7af9ff741939dcb984f0a67259d/FLAG7a7f49a8f [2018-11-18 10:49:10,069 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:49:10,070 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-18 10:49:10,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/data/e3c8aaa22/c2a7b7af9ff741939dcb984f0a67259d/FLAG7a7f49a8f [2018-11-18 10:49:10,082 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/data/e3c8aaa22/c2a7b7af9ff741939dcb984f0a67259d [2018-11-18 10:49:10,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:49:10,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:49:10,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:10,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:49:10,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:49:10,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10, skipping insertion in model container [2018-11-18 10:49:10,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:49:10,108 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:49:10,206 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:10,208 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:49:10,216 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:49:10,224 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:49:10,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10 WrapperNode [2018-11-18 10:49:10,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:49:10,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:10,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:49:10,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:49:10,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:49:10,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:49:10,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:49:10,251 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:49:10,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:49:10,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:49:10,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:49:10,267 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:49:10,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:49:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/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 10:49:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:49:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:49:10,474 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:49:10,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:10 BoogieIcfgContainer [2018-11-18 10:49:10,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:49:10,475 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:49:10,475 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:49:10,485 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:49:10,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:10" (1/1) ... [2018-11-18 10:49:10,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:49:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-18 10:49:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-18 10:49:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 10:49:10,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:10,713 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 10:49:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-18 10:49:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-18 10:49:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 10:49:10,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:10,850 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 10:49:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2018-11-18 10:49:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-18 10:49:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:49:11,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,043 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 10:49:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-18 10:49:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-18 10:49:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:49:11,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,280 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 10:49:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-18 10:49:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-18 10:49:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:49:11,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,488 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 10:49:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2018-11-18 10:49:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-11-18 10:49:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:49:11,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:49:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-11-18 10:49:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-11-18 10:49:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:49:11,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:49:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-18 10:49:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-18 10:49:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:49:11,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:49:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-18 10:49:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-18 10:49:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:49:11,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:49:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-18 10:49:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-18 10:49:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:49:11,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:49:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:49:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:49:12,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:49:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-18 10:49:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-18 10:49:12,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:49:12,005 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 10:49:12,011 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 10:49:12,041 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 10:49:12,047 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:49:12,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:49:12 ImpRootNode [2018-11-18 10:49:12,047 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:49:12,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:49:12,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:49:12,048 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:49:12,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:49:10" (3/4) ... [2018-11-18 10:49:12,051 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:49:12,058 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:49:12,058 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:49:12,058 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:49:12,086 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47fb6091-d54e-4157-8891-88b59eaee1dd/bin-2019/ukojak/witness.graphml [2018-11-18 10:49:12,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:49:12,087 INFO L168 Benchmark]: Toolchain (without parser) took 2001.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:12,088 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:12,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:12,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:12,089 INFO L168 Benchmark]: Boogie Preprocessor took 15.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:49:12,089 INFO L168 Benchmark]: RCFGBuilder took 208.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:12,090 INFO L168 Benchmark]: CodeCheck took 1572.24 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:12,090 INFO L168 Benchmark]: Witness Printer took 38.48 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:49:12,093 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, 17 locations, 4 error locations. SAFE Result, 1.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1024 SDtfs, 8440 SDslu, 4608 SDs, 0 SdLazy, 30536 SolverSat, 7380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 732 GetRequests, 635 SyntacticMatches, 39 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 13/22 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: 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && K <= 2147483647) && 0 <= K + 2147483648 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.05 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 26.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.22 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 208.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1572.24 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.48 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: 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...