./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:10:59,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:10:59,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:10:59,445 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:10:59,446 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:10:59,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:10:59,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:10:59,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:10:59,449 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:10:59,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:10:59,450 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:10:59,450 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:10:59,451 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:10:59,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:10:59,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:10:59,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:10:59,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:10:59,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:10:59,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:10:59,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:10:59,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:10:59,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:10:59,460 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:10:59,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:10:59,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:10:59,461 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:10:59,462 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:10:59,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:10:59,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:10:59,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:10:59,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:10:59,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:10:59,464 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:10:59,464 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:10:59,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:10:59,465 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:10:59,466 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 05:10:59,475 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:10:59,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:10:59,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:10:59,476 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:10:59,477 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:10:59,477 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:10:59,477 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:10:59,477 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:10:59,477 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:10:59,478 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:10:59,478 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:10:59,479 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:10:59,479 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:10:59,479 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:10:59,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:10:59,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:10:59,479 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:10:59,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:10:59,480 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:10:59,480 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:10:59,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:10:59,480 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_1d124535-e272-495e-afce-b06292c76ab1/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 -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2018-11-10 05:10:59,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:10:59,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:10:59,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:10:59,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:10:59,514 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:10:59,514 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-10 05:10:59,550 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/data/978a870f9/94fbc240153a4f7a917673a679a5f929/FLAGac1547204 [2018-11-10 05:10:59,882 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:10:59,882 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-10 05:10:59,887 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/data/978a870f9/94fbc240153a4f7a917673a679a5f929/FLAGac1547204 [2018-11-10 05:10:59,897 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/data/978a870f9/94fbc240153a4f7a917673a679a5f929 [2018-11-10 05:10:59,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:10:59,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:10:59,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:10:59,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:10:59,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:10:59,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:10:59" (1/1) ... [2018-11-10 05:10:59,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769b41f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:10:59, skipping insertion in model container [2018-11-10 05:10:59,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:10:59" (1/1) ... [2018-11-10 05:10:59,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:10:59,931 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:11:00,039 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:00,041 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:11:00,050 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:00,058 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:11:00,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00 WrapperNode [2018-11-10 05:11:00,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:11:00,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:00,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:11:00,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:11:00,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:00,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:11:00,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:11:00,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:11:00,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:11:00,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:11:00,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:11:00,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:11:00,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/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 [2018-11-10 05:11:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:11:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:11:00,286 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:11:00,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:00 BoogieIcfgContainer [2018-11-10 05:11:00,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:11:00,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:11:00,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:11:00,296 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:11:00,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:00" (1/1) ... [2018-11-10 05:11:00,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:11:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-11-10 05:11:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-10 05:11:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:11:00,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-10 05:11:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-10 05:11:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:11:00,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2018-11-10 05:11:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-11-10 05:11:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:11:00,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2018-11-10 05:11:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-11-10 05:11:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:11:00,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-11-10 05:11:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-11-10 05:11:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:11:01,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2018-11-10 05:11:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2018-11-10 05:11:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:11:01,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-11-10 05:11:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-11-10 05:11:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:11:01,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2018-11-10 05:11:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2018-11-10 05:11:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:11:01,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-11-10 05:11:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-11-10 05:11:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:11:01,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2018-11-10 05:11:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2018-11-10 05:11:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:11:01,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2018-11-10 05:11:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2018-11-10 05:11:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:11:01,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2018-11-10 05:11:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2018-11-10 05:11:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:11:02,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2018-11-10 05:11:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2018-11-10 05:11:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:11:02,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2018-11-10 05:11:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2018-11-10 05:11:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:11:02,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2018-11-10 05:11:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-11-10 05:11:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:11:03,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-10 05:11:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-10 05:11:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:11:03,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 05:11:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2018-11-10 05:11:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2018-11-10 05:11:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:11:03,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 05:11:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-11-10 05:11:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-11-10 05:11:03,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:11:03,948 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2018-11-10 05:11:03,954 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 05:11:04,026 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 05:11:04,032 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:11:04,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:11:04 ImpRootNode [2018-11-10 05:11:04,032 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:11:04,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:11:04,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:11:04,033 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:11:04,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:00" (3/4) ... [2018-11-10 05:11:04,036 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:11:04,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:11:04,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:11:04,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:11:04,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d124535-e272-495e-afce-b06292c76ab1/bin-2019/ukojak/witness.graphml [2018-11-10 05:11:04,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:11:04,076 INFO L168 Benchmark]: Toolchain (without parser) took 4176.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 165.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:04,078 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:04,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.17 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:04,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.65 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:04,079 INFO L168 Benchmark]: Boogie Preprocessor took 10.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 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. [2018-11-10 05:11:04,079 INFO L168 Benchmark]: RCFGBuilder took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:04,079 INFO L168 Benchmark]: CodeCheck took 3745.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.8 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Peak memory consumption was 192.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:04,080 INFO L168 Benchmark]: Witness Printer took 42.88 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:04,081 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, 25 locations, 8 error locations. SAFE Result, 3.6s OverallTime, 18 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 393216 SDtfs, 668448 SDslu, 331360 SDs, 0 SdLazy, 2944048 SolverSat, 657184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1708 GetRequests, 1471 SyntacticMatches, 91 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9420 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 8058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 34/63 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: 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 - 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: 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 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((q <= y + 2147483644 && y <= 2147483647) && 2147483647 < q) || ((0 <= y + 2147483648 && y <= 2147483647) && q <= 2147483647)) || ((q + y <= 2147483646 && 0 <= y + 2147483648) && 2147483647 < q) - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.17 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.65 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 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. * RCFGBuilder took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 3745.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.8 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Peak memory consumption was 192.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.88 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...