./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e334e85dd18553afecc96b27cf49a003304cbca8 .......................................................................................................................................................................................................................................................................... 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 07:36:00,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:36:00,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:36:00,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:36:00,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:36:00,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:36:00,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:36:00,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:36:00,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:36:00,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:36:00,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:36:00,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:36:00,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:36:00,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:36:00,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:36:00,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:36:00,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:36:00,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:36:00,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:36:00,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:36:00,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:36:00,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:36:00,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:36:00,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:36:00,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:36:00,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:36:00,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:36:00,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:36:00,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:36:00,671 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:36:00,671 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:36:00,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:36:00,672 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:36:00,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:36:00,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:36:00,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:36:00,674 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 07:36:00,682 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:36:00,682 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:36:00,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:36:00,683 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:36:00,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:36:00,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:36:00,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:36:00,684 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:36:00,684 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:36:00,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:36:00,684 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:36:00,685 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:36:00,685 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:36:00,686 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:36:00,686 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:36:00,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:36:00,686 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:36:00,686 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:36:00,686 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:36:00,686 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:36:00,687 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:36:00,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:36:00,687 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_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e334e85dd18553afecc96b27cf49a003304cbca8 [2018-11-10 07:36:00,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:36:00,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:36:00,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:36:00,724 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:36:00,724 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:36:00,725 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-10 07:36:00,776 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/data/3fb5b9b3f/35682fbdeea442638fe26f2aad2024cb/FLAGa5190505b [2018-11-10 07:36:01,114 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:36:01,115 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-10 07:36:01,120 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/data/3fb5b9b3f/35682fbdeea442638fe26f2aad2024cb/FLAGa5190505b [2018-11-10 07:36:01,133 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/data/3fb5b9b3f/35682fbdeea442638fe26f2aad2024cb [2018-11-10 07:36:01,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:36:01,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:36:01,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:36:01,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:36:01,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:36:01,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7e98ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01, skipping insertion in model container [2018-11-10 07:36:01,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:36:01,169 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:36:01,292 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:36:01,295 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:36:01,306 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:36:01,316 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:36:01,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01 WrapperNode [2018-11-10 07:36:01,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:36:01,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:36:01,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:36:01,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:36:01,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:36:01,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:36:01,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:36:01,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:36:01,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:36:01,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:36:01,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:36:01,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:36:01,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/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 07:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:36:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:36:01,561 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:36:01,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:01 BoogieIcfgContainer [2018-11-10 07:36:01,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:36:01,562 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:36:01,562 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:36:01,571 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:36:01,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:01" (1/1) ... [2018-11-10 07:36:01,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:36:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 07:36:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 07:36:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 07:36:01,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:01,708 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 07:36:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-11-10 07:36:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-11-10 07:36:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:36:01,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:01,771 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 07:36:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-10 07:36:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-10 07:36:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 07:36:01,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:01,886 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 07:36:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-11-10 07:36:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-11-10 07:36:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 07:36:02,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:02,137 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 07:36:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-10 07:36:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-10 07:36:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 07:36:02,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:36:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-10 07:36:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-10 07:36:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:36:02,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-10 07:36:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-10 07:36:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:36:03,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:36:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-10 07:36:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-10 07:36:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:36:03,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:36:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-11-10 07:36:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-11-10 07:36:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:36:03,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:36:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:36:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 07:36:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:36:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 07:36:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 07:36:03,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:36:03,697 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-10 07:36:03,705 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 07:36:03,763 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:36:03,765 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:36:03,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:36:03 ImpRootNode [2018-11-10 07:36:03,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:36:03,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:36:03,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:36:03,773 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:36:03,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:36:01" (3/4) ... [2018-11-10 07:36:03,777 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:36:03,787 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 07:36:03,787 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:36:03,787 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:36:03,829 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73a3bc4a-41c2-4e9a-83ef-35e54975dce6/bin-2019/ukojak/witness.graphml [2018-11-10 07:36:03,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:36:03,830 INFO L168 Benchmark]: Toolchain (without parser) took 2693.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.3 MB in the beginning and 951.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 150.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:03,831 INFO L168 Benchmark]: CDTParser took 0.18 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 07:36:03,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.88 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 07:36:03,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.51 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:36:03,832 INFO L168 Benchmark]: Boogie Preprocessor took 14.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:03,833 INFO L168 Benchmark]: RCFGBuilder took 206.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:03,833 INFO L168 Benchmark]: CodeCheck took 2210.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.6 MB in the end (delta: 174.2 MB). Peak memory consumption was 174.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:03,835 INFO L168 Benchmark]: Witness Printer took 56.44 ms. Allocated memory is still 1.2 GB. Free memory was 954.6 MB in the beginning and 951.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:36:03,837 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, 18 locations, 4 error locations. SAFE Result, 2.1s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2880 SDtfs, 5972 SDslu, 5024 SDs, 0 SdLazy, 17176 SolverSat, 4028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1014 GetRequests, 884 SyntacticMatches, 34 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3984 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 3215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 34/37 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= v2 && m <= 2147483647) && v1 <= 2147483647 * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.88 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 23.51 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.21 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2210.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.6 MB in the end (delta: 174.2 MB). Peak memory consumption was 174.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.44 ms. Allocated memory is still 1.2 GB. Free memory was 954.6 MB in the beginning and 951.1 MB 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...