./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_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_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/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 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 ........................................................................................................................................................................................................................................................................................... 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 07:42:47,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:42:47,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:42:47,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:42:47,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:42:47,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:42:47,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:42:47,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:42:47,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:42:47,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:42:47,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:42:47,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:42:47,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:42:47,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:42:47,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:42:47,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:42:47,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:42:47,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:42:47,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:42:47,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:42:47,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:42:47,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:42:47,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:42:47,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:42:47,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:42:47,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:42:47,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:42:47,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:42:47,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:42:47,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:42:47,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:42:47,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:42:47,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:42:47,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:42:47,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:42:47,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:42:47,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 07:42:47,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:42:47,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:42:47,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:42:47,720 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:42:47,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:42:47,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:42:47,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:42:47,721 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 07:42:47,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:42:47,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:42:47,722 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:42:47,722 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:42:47,723 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:42:47,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:42:47,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:42:47,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:42:47,724 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_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/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 -> 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 [2018-11-10 07:42:47,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:42:47,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:42:47,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:42:47,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:42:47,759 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:42:47,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2018-11-10 07:42:47,803 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/data/b02b66ee8/4d79fd3a85594300a4b33e0b4b7bf75a/FLAGfd6d03a36 [2018-11-10 07:42:48,097 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:42:48,098 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2018-11-10 07:42:48,101 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/data/b02b66ee8/4d79fd3a85594300a4b33e0b4b7bf75a/FLAGfd6d03a36 [2018-11-10 07:42:48,113 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/data/b02b66ee8/4d79fd3a85594300a4b33e0b4b7bf75a [2018-11-10 07:42:48,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:42:48,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:42:48,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:48,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:42:48,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:42:48,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606eadf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48, skipping insertion in model container [2018-11-10 07:42:48,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:42:48,136 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:42:48,222 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:48,224 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:42:48,233 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:48,241 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:42:48,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48 WrapperNode [2018-11-10 07:42:48,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:48,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:48,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:42:48,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:42:48,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:48,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:42:48,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:42:48,261 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:42:48,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:42:48,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:42:48,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:42:48,273 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:42:48,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/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 07:42:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:42:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:42:48,481 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:42:48,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:48 BoogieIcfgContainer [2018-11-10 07:42:48,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:42:48,482 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:42:48,482 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:42:48,489 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:42:48,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:48" (1/1) ... [2018-11-10 07:42:48,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:42:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 07:42:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 07:42:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 07:42:48,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:48,618 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 07:42:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 07:42:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 07:42:48,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 07:42:48,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:48,659 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 07:42:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 07:42:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 07:42:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 07:42:48,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:48,730 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 07:42:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-11-10 07:42:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-11-10 07:42:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:42:48,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:48,916 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 07:42:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-10 07:42:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-10 07:42:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 07:42:49,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,132 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 07:42:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-10 07:42:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-10 07:42:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 07:42:49,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-11-10 07:42:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-11-10 07:42:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 07:42:49,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-11-10 07:42:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-11-10 07:42:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 07:42:49,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2018-11-10 07:42:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2018-11-10 07:42:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:42:49,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,592 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 07:42:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-10 07:42:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-10 07:42:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:42:49,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2018-11-10 07:42:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2018-11-10 07:42:49,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:42:49,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 07:42:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 07:42:50,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:42:50,037 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 07:42:50,043 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 07:42:50,086 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-11-10 07:42:50,092 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:50,092 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-11-10 07:42:50,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:42:50 ImpRootNode [2018-11-10 07:42:50,093 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:42:50,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:42:50,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:42:50,093 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:42:50,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:48" (3/4) ... [2018-11-10 07:42:50,096 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:42:50,101 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 07:42:50,102 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:42:50,102 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:42:50,132 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7593203d-36cd-4bce-b61a-3d1bfcaa7ce8/bin-2019/ukojak/witness.graphml [2018-11-10 07:42:50,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:42:50,133 INFO L168 Benchmark]: Toolchain (without parser) took 2018.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,135 INFO L168 Benchmark]: CDTParser took 0.15 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 07:42:50,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.37 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.45 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:42:50,136 INFO L168 Benchmark]: Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,136 INFO L168 Benchmark]: RCFGBuilder took 208.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,137 INFO L168 Benchmark]: CodeCheck took 1611.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,137 INFO L168 Benchmark]: Witness Printer took 39.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:50,140 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, 1.5s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18432 SDtfs, 13900 SDslu, 13328 SDs, 0 SdLazy, 30472 SolverSat, 7500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 851 GetRequests, 738 SyntacticMatches, 41 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2056 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 18/25 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: 20]: 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 - PositiveResult [Line: 20]: 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: 19]: Loop Invariant Derived loop invariant: ((j <= 2147483647 && 1 <= i) && i <= 2147483647) && N <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 125.37 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.4 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 19.45 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1611.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 39.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...