./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/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 8890a6e15e91dc33e0e8fdcf0ca164911989393b .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:11:58,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:11:58,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:11:58,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:11:58,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:11:58,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:11:58,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:11:58,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:11:58,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:11:58,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:11:58,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:11:58,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:11:58,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:11:58,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:11:58,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:11:58,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:11:58,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:11:58,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:11:58,865 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:11:58,866 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:11:58,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:11:58,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:11:58,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:11:58,869 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:11:58,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:11:58,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:11:58,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:11:58,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:11:58,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:11:58,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:11:58,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:11:58,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:11:58,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:11:58,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:11:58,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:11:58,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:11:58,873 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 11:11:58,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:11:58,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:11:58,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:11:58,882 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 11:11:58,882 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:11:58,882 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:11:58,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:11:58,883 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:11:58,884 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:11:58,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:11:58,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:11:58,884 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:11:58,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:11:58,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:11:58,885 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_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/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 -> 8890a6e15e91dc33e0e8fdcf0ca164911989393b [2018-12-08 11:11:58,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:11:58,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:11:58,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:11:58,911 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:11:58,912 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:11:58,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-12-08 11:11:58,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/data/7473f68cb/5a00451718974f818f749a725d1097ee/FLAGcd7aa8c24 [2018-12-08 11:11:59,399 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:11:59,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-12-08 11:11:59,403 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/data/7473f68cb/5a00451718974f818f749a725d1097ee/FLAGcd7aa8c24 [2018-12-08 11:11:59,412 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/data/7473f68cb/5a00451718974f818f749a725d1097ee [2018-12-08 11:11:59,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:11:59,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:11:59,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:11:59,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:11:59,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:11:59,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59, skipping insertion in model container [2018-12-08 11:11:59,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:11:59,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:11:59,530 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:11:59,533 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:11:59,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:11:59,551 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:11:59,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59 WrapperNode [2018-12-08 11:11:59,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:11:59,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:11:59,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:11:59,552 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:11:59,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:11:59,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:11:59,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:11:59,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:11:59,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:11:59,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:11:59,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:11:59,586 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:11:59,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:11:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/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 [2018-12-08 11:11:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:11:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:11:59,786 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:11:59,786 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 11:11:59,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:11:59 BoogieIcfgContainer [2018-12-08 11:11:59,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:11:59,787 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:11:59,787 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:11:59,794 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:11:59,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:11:59" (1/1) ... [2018-12-08 11:11:59,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:11:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:11:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 11:11:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 11:11:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 11:11:59,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:11:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:11:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:11:59,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:11:59,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-08 11:11:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-08 11:11:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 11:11:59,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:11:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:12:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:12:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:12:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-12-08 11:12:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-12-08 11:12:01,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:12:01,311 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-12-08 11:12:01,316 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 11:12:01,359 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-08 11:12:01,365 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 11:12:01,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:12:01 ImpRootNode [2018-12-08 11:12:01,366 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:12:01,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:12:01,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:12:01,366 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:12:01,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:11:59" (3/4) ... [2018-12-08 11:12:01,368 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:12:01,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 11:12:01,374 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:12:01,400 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dbb2af6e-0dc0-4d0e-9cb5-8765042babdf/bin-2019/ukojak/witness.graphml [2018-12-08 11:12:01,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:12:01,401 INFO L168 Benchmark]: Toolchain (without parser) took 1986.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:12:01,401 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:12:01,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 11:12:01,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.40 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:12:01,402 INFO L168 Benchmark]: Boogie Preprocessor took 10.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:12:01,402 INFO L168 Benchmark]: RCFGBuilder took 200.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:12:01,402 INFO L168 Benchmark]: CodeCheck took 1579.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-12-08 11:12:01,403 INFO L168 Benchmark]: Witness Printer took 34.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:12:01,404 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, 14 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 16 SDslu, 24 SDs, 0 SdLazy, 44 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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: 61]: 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: 8]: Loop Invariant Derived loop invariant: (1 <= main__y && main__y / 4294967296 <= 0) || main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3) - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.66 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 23.40 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.18 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1579.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Witness Printer took 34.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...