./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/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 ca707ecc133af2ec0063556d89a3ce449d0860eb ................................................................................................................................................................................................................................................... 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 11:49:32,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:49:32,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:49:32,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:49:32,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:49:32,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:49:32,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:49:32,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:49:32,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:49:32,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:49:32,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:49:32,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:49:32,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:49:32,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:49:32,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:49:32,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:49:32,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:49:32,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:49:32,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:49:32,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:49:32,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:49:32,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:49:32,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:49:32,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:49:32,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:49:32,351 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:49:32,352 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:49:32,352 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:49:32,353 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:49:32,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:49:32,354 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:49:32,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:49:32,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:49:32,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:49:32,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:49:32,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:49:32,356 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:49:32,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:49:32,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:49:32,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:49:32,367 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:49:32,368 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:49:32,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:49:32,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:49:32,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:49:32,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:49:32,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:49:32,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:49:32,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:49:32,369 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:49:32,370 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:49:32,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:49:32,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:49:32,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:49:32,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:49:32,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:49:32,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:49:32,371 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:49:32,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:49:32,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:49:32,371 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_356fc548-1aa9-4274-be49-6361a98ae86d/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 -> ca707ecc133af2ec0063556d89a3ce449d0860eb [2018-11-10 11:49:32,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:49:32,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:49:32,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:49:32,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:49:32,406 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:49:32,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i [2018-11-10 11:49:32,447 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/data/5737519f2/873f0bb9e3cf4b7e94a69b2039efbe97/FLAG2ed533413 [2018-11-10 11:49:32,745 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:49:32,745 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/sv-benchmarks/c/loop-invgen/NetBSD_loop_true-unreach-call_true-termination.i [2018-11-10 11:49:32,749 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/data/5737519f2/873f0bb9e3cf4b7e94a69b2039efbe97/FLAG2ed533413 [2018-11-10 11:49:32,759 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/data/5737519f2/873f0bb9e3cf4b7e94a69b2039efbe97 [2018-11-10 11:49:32,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:49:32,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:49:32,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:49:32,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:49:32,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:49:32,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4541c043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32, skipping insertion in model container [2018-11-10 11:49:32,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:49:32,787 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:49:32,883 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:49:32,885 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:49:32,896 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:49:32,904 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:49:32,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32 WrapperNode [2018-11-10 11:49:32,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:49:32,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:49:32,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:49:32,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:49:32,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:49:32,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:49:32,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:49:32,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:49:32,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... [2018-11-10 11:49:32,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:49:32,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:49:32,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:49:32,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:49:32,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:49:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/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 11:49:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:49:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:49:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 11:49:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 11:49:33,194 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:49:33,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:33 BoogieIcfgContainer [2018-11-10 11:49:33,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:49:33,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:49:33,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:49:33,205 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:49:33,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:33" (1/1) ... [2018-11-10 11:49:33,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:49:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 11:49:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 11:49:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:49:33,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:33,382 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 11:49:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-10 11:49:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-10 11:49:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 11:49:33,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-10 11:49:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-10 11:49:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:49:33,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 11:49:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 35 transitions. [2018-11-10 11:49:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-11-10 11:49:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:49:34,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 11:49:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 42 transitions. [2018-11-10 11:49:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-11-10 11:49:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 11:49:34,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 11:49:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 33 transitions. [2018-11-10 11:49:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-11-10 11:49:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 11:49:34,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 11:49:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 20 states and 26 transitions. [2018-11-10 11:49:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-10 11:49:34,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:49:34,755 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 11:49:34,761 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:49:34,805 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:49:34,807 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:49:34,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:49:34 ImpRootNode [2018-11-10 11:49:34,807 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:49:34,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:49:34,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:49:34,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:49:34,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:33" (3/4) ... [2018-11-10 11:49:34,811 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:49:34,816 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 11:49:34,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 11:49:34,819 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:49:34,820 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 11:49:34,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_356fc548-1aa9-4274-be49-6361a98ae86d/bin-2019/ukojak/witness.graphml [2018-11-10 11:49:34,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:49:34,852 INFO L168 Benchmark]: Toolchain (without parser) took 2090.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:49:34,853 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-10 11:49:34,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:34,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 948.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:34,854 INFO L168 Benchmark]: Boogie Preprocessor took 15.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:34,854 INFO L168 Benchmark]: RCFGBuilder took 248.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:34,854 INFO L168 Benchmark]: CodeCheck took 1612.05 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:34,854 INFO L168 Benchmark]: Witness Printer took 43.94 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. [2018-11-10 11:49:34,856 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 448 SDtfs, 436 SDslu, 312 SDs, 0 SdLazy, 2668 SolverSat, 916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 929 SyntacticMatches, 13 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 97/141 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 141.96 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.03 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 948.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1612.05 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.94 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...