./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 041ac1710be6e1a9f4a6c44510c9851574d3d115 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:39:47,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:39:47,530 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:39:47,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:39:47,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:39:47,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:39:47,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:39:47,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:39:47,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:39:47,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:39:47,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:39:47,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:39:47,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:39:47,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:39:47,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:39:47,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:39:47,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:39:47,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:39:47,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:39:47,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:39:47,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:39:47,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:39:47,557 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:39:47,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:39:47,558 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:39:47,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:39:47,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:39:47,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:39:47,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:39:47,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:39:47,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:39:47,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:39:47,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:39:47,563 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:39:47,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:39:47,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:39:47,565 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:39:47,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:39:47,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:39:47,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:39:47,578 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:39:47,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:39:47,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:39:47,579 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:39:47,579 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:39:47,580 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:39:47,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:39:47,581 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:39:47,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:39:47,581 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:39:47,581 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:39:47,581 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:39:47,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:39:47,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:39:47,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:39:47,583 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_a8127505-aa95-4107-8f28-c29939a070e3/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041ac1710be6e1a9f4a6c44510c9851574d3d115 [2018-11-23 12:39:47,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:39:47,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:39:47,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:39:47,626 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:39:47,627 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:39:47,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-11-23 12:39:47,682 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/data/66406f613/af871418d0274579a33f774fa7fdaa9a/FLAGac010810f [2018-11-23 12:39:48,044 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:39:48,044 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-11-23 12:39:48,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/data/66406f613/af871418d0274579a33f774fa7fdaa9a/FLAGac010810f [2018-11-23 12:39:48,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/data/66406f613/af871418d0274579a33f774fa7fdaa9a [2018-11-23 12:39:48,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:39:48,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:39:48,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:48,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:39:48,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:39:48,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1af608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48, skipping insertion in model container [2018-11-23 12:39:48,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:39:48,108 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:39:48,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:48,258 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:39:48,271 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:48,281 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:39:48,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48 WrapperNode [2018-11-23 12:39:48,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:48,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:48,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:39:48,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:39:48,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:48,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:39:48,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:39:48,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:39:48,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:39:48,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:39:48,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:39:48,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:39:48,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/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 [2018-11-23 12:39:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:39:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:39:48,592 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:39:48,592 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 12:39:48,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:48 BoogieIcfgContainer [2018-11-23 12:39:48,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:39:48,593 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:39:48,593 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:39:48,604 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:39:48,604 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-11-23 12:39:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-11-23 12:39:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:39:48,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-11-23 12:39:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-11-23 12:39:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 12:39:48,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2018-11-23 12:39:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2018-11-23 12:39:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 12:39:49,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2018-11-23 12:39:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2018-11-23 12:39:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 12:39:49,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-11-23 12:39:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-11-23 12:39:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:39:50,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:39:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2018-11-23 12:39:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2018-11-23 12:39:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:39:51,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:39:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2018-11-23 12:39:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2018-11-23 12:39:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 12:39:51,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:39:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2018-11-23 12:39:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2018-11-23 12:39:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 12:39:51,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:39:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2018-11-23 12:39:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2018-11-23 12:39:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:39:52,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:39:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2018-11-23 12:39:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2018-11-23 12:39:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:39:52,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:39:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2018-11-23 12:39:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-11-23 12:39:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:39:53,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:39:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2018-11-23 12:39:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2018-11-23 12:39:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:39:55,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 12:39:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:55,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2018-11-23 12:39:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-11-23 12:39:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 12:39:55,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 12:39:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2018-11-23 12:39:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2018-11-23 12:39:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:39:55,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:39:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 12:39:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:39:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-11-23 12:39:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-11-23 12:39:56,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:56,068 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2018-11-23 12:39:56,077 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:39:56,189 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:39:56,192 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 12:39:56,198 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 12:39:56,199 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 12:39:56,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:39:56,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:39:56,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:39:56 ImpRootNode [2018-11-23 12:39:56,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:39:56,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:39:56,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:39:56,201 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:39:56,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:48" (3/4) ... [2018-11-23 12:39:56,205 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:39:56,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:39:56,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 12:39:56,258 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8127505-aa95-4107-8f28-c29939a070e3/bin-2019/ukojak/witness.graphml [2018-11-23 12:39:56,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:39:56,259 INFO L168 Benchmark]: Toolchain (without parser) took 8193.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,260 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:39:56,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,262 INFO L168 Benchmark]: Boogie Preprocessor took 15.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:39:56,262 INFO L168 Benchmark]: RCFGBuilder took 264.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,263 INFO L168 Benchmark]: CodeCheck took 7607.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -29.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,263 INFO L168 Benchmark]: Witness Printer took 57.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:39:56,266 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, 20 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 15 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 114688 SDtfs, 39508 SDslu, 0 SDs, 0 SdLazy, 672268 SolverSat, 217864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2812 GetRequests, 2488 SyntacticMatches, 144 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12639 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 27621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 144/319 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: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 3 * i <= j || (2 <= n && i + 1 <= n) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((j < k + 1 && 2 <= n) && i + 1 <= n) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((j <= k + 1 && 2 <= n) && i + 1 <= n) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 214.00 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 264.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 7607.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -29.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 57.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...