./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/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_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/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 0.1.23-5842f4b [2018-11-18 11:32:12,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:32:12,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:32:12,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:32:12,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:32:12,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:32:12,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:32:12,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:32:12,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:32:12,286 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:32:12,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:32:12,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:32:12,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:32:12,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:32:12,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:32:12,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:32:12,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:32:12,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:32:12,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:32:12,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:32:12,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:32:12,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:32:12,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:32:12,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:32:12,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:32:12,297 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:32:12,297 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:32:12,298 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:32:12,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:32:12,299 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:32:12,299 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:32:12,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:32:12,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:32:12,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:32:12,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:32:12,301 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:32:12,301 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 11:32:12,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:32:12,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:32:12,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:32:12,309 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:32:12,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:32:12,309 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:32:12,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:32:12,310 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:32:12,311 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:32:12,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:32:12,311 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:32:12,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:32:12,311 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:32:12,311 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:32:12,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:32:12,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:32:12,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:32:12,313 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_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/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 [2018-11-18 11:32:12,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:32:12,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:32:12,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:32:12,350 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:32:12,350 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:32:12,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2018-11-18 11:32:12,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/data/762de1a77/ac026ac55a0647a8a6c1577aaca15ca7/FLAGf2cd603ab [2018-11-18 11:32:12,786 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:32:12,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2_true-termination_true-no-overflow.c [2018-11-18 11:32:12,790 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/data/762de1a77/ac026ac55a0647a8a6c1577aaca15ca7/FLAGf2cd603ab [2018-11-18 11:32:12,799 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/data/762de1a77/ac026ac55a0647a8a6c1577aaca15ca7 [2018-11-18 11:32:12,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:32:12,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:32:12,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:12,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:32:12,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:32:12,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da0b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12, skipping insertion in model container [2018-11-18 11:32:12,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:32:12,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:32:12,928 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:12,930 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:32:12,938 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:12,946 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:32:12,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12 WrapperNode [2018-11-18 11:32:12,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:12,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:12,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:32:12,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:32:12,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:12,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:32:12,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:32:12,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:32:12,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... [2018-11-18 11:32:12,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:32:12,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:32:12,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:32:12,990 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:32:12,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/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 [2018-11-18 11:32:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:32:13,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:32:13,204 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:32:13,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13 BoogieIcfgContainer [2018-11-18 11:32:13,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:32:13,205 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:32:13,205 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:32:13,214 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:32:13,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13" (1/1) ... [2018-11-18 11:32:13,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 11:32:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 11:32:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 11:32:13,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-18 11:32:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-18 11:32:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:32:13,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 11:32:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 11:32:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:32:13,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-11-18 11:32:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-11-18 11:32:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:32:13,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-18 11:32:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-18 11:32:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:32:13,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-18 11:32:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-18 11:32:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:32:13,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:13,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2018-11-18 11:32:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2018-11-18 11:32:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:32:14,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:32:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-11-18 11:32:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-11-18 11:32:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:32:14,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:32:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2018-11-18 11:32:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2018-11-18 11:32:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 11:32:14,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-18 11:32:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-18 11:32:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 11:32:14,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:32:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2018-11-18 11:32:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2018-11-18 11:32:14,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:32:14,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:32:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:32:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:32:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 11:32:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 11:32:14,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:32:14,841 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-18 11:32:14,850 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 11:32:14,879 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 11:32:14,885 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:32:14,885 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-18 11:32:14,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:32:14 ImpRootNode [2018-11-18 11:32:14,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:32:14,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:32:14,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:32:14,886 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:32:14,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:13" (3/4) ... [2018-11-18 11:32:14,889 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:32:14,895 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:32:14,895 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:32:14,895 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:32:14,923 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e26d0a8-0b70-4708-8ae9-cbcb3ad6b9a7/bin-2019/ukojak/witness.graphml [2018-11-18 11:32:14,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:32:14,924 INFO L168 Benchmark]: Toolchain (without parser) took 2122.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:14,925 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-18 11:32:14,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:14,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.86 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:14,926 INFO L168 Benchmark]: Boogie Preprocessor took 15.69 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:32:14,926 INFO L168 Benchmark]: RCFGBuilder took 214.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:14,926 INFO L168 Benchmark]: CodeCheck took 1680.28 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:14,927 INFO L168 Benchmark]: Witness Printer took 38.10 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. [2018-11-18 11:32:14,928 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, 1.6s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18432 SDtfs, 13772 SDslu, 13328 SDs, 0 SdLazy, 30312 SolverSat, 7468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 854 GetRequests, 743 SyntacticMatches, 41 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1928 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 0.14 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 144.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.86 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.69 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 214.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1680.28 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.10 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...