./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/trex02_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_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/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 705fb730024062c63456557ff967363021656cde ....................................................................................................................................................................................................................... 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 00:39:49,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:39:49,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:39:49,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:39:49,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:39:49,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:39:49,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:39:49,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:39:49,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:39:49,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:39:49,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:39:49,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:39:49,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:39:49,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:39:49,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:39:49,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:39:49,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:39:49,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:39:49,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:39:49,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:39:49,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:39:49,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:39:49,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:39:49,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:39:49,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:39:49,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:39:49,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:39:49,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:39:49,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:39:49,496 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:39:49,496 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:39:49,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:39:49,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:39:49,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:39:49,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:39:49,498 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:39:49,498 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 00:39:49,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:39:49,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:39:49,508 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 00:39:49,508 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 00:39:49,508 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:39:49,508 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:39:49,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 00:39:49,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:39:49,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:39:49,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 00:39:49,510 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 00:39:49,510 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 00:39:49,510 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:39:49,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 00:39:49,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:39:49,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:39:49,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 00:39:49,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 00:39:49,511 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 00:39:49,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 00:39:49,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 00:39:49,511 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_3a0a3db6-76c3-4137-abc4-91d43f093167/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 -> 705fb730024062c63456557ff967363021656cde [2018-11-10 00:39:49,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:39:49,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:39:49,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:39:49,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:39:49,549 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:39:49,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/../../sv-benchmarks/c/loops/trex02_true-unreach-call_true-termination.i [2018-11-10 00:39:49,595 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/data/d401f08a0/e50f638cacc749e699a26c010934459c/FLAG3e8b8622d [2018-11-10 00:39:49,923 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:39:49,923 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/sv-benchmarks/c/loops/trex02_true-unreach-call_true-termination.i [2018-11-10 00:39:49,927 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/data/d401f08a0/e50f638cacc749e699a26c010934459c/FLAG3e8b8622d [2018-11-10 00:39:49,936 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/data/d401f08a0/e50f638cacc749e699a26c010934459c [2018-11-10 00:39:49,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:39:49,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:39:49,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:39:49,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:39:49,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:39:49,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:49" (1/1) ... [2018-11-10 00:39:49,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:49, skipping insertion in model container [2018-11-10 00:39:49,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:49" (1/1) ... [2018-11-10 00:39:49,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:39:49,964 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:39:50,061 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:39:50,064 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:39:50,072 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:39:50,081 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:39:50,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50 WrapperNode [2018-11-10 00:39:50,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:39:50,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:39:50,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:39:50,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:39:50,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:39:50,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:39:50,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:39:50,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:39:50,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:39:50,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:39:50,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:39:50,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:39:50,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/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 00:39:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-10 00:39:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-10 00:39:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:39:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:39:50,350 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:39:50,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50 BoogieIcfgContainer [2018-11-10 00:39:50,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:39:50,351 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 00:39:50,351 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 00:39:50,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 00:39:50,358 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50" (1/1) ... [2018-11-10 00:39:50,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:39:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-11-10 00:39:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-11-10 00:39:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 00:39:50,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:39:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:39:50,452 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 00:39:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:39:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 00:39:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 00:39:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 00:39:50,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:39:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:39:50,490 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 00:39:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:39:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 00:39:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 00:39:50,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 00:39:50,528 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-10 00:39:50,535 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 00:39:50,547 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:39:50,549 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:39:50,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:39:50 ImpRootNode [2018-11-10 00:39:50,550 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 00:39:50,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:39:50,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:39:50,550 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:39:50,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:50" (3/4) ... [2018-11-10 00:39:50,553 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 00:39:50,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2018-11-10 00:39:50,559 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 00:39:50,560 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 00:39:50,560 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 00:39:50,589 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a0a3db6-76c3-4137-abc4-91d43f093167/bin-2019/ukojak/witness.graphml [2018-11-10 00:39:50,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:39:50,590 INFO L168 Benchmark]: Toolchain (without parser) took 651.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -206.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:39:50,591 INFO L168 Benchmark]: CDTParser took 0.16 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 00:39:50,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 00:39:50,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:39:50,592 INFO L168 Benchmark]: Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:39:50,592 INFO L168 Benchmark]: RCFGBuilder took 226.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -240.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 00:39:50,592 INFO L168 Benchmark]: CodeCheck took 198.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 00:39:50,593 INFO L168 Benchmark]: Witness Printer took 39.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 00:39:50,595 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, 18 locations, 1 error locations. SAFE Result, 0.1s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 4]: 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: 2]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 142.40 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.66 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 226.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -240.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 198.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Witness Printer took 39.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...