./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/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_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/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-aa41828 [2018-11-23 01:17:50,178 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:17:50,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:17:50,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:17:50,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:17:50,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:17:50,187 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:17:50,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:17:50,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:17:50,190 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:17:50,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:17:50,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:17:50,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:17:50,192 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:17:50,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:17:50,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:17:50,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:17:50,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:17:50,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:17:50,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:17:50,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:17:50,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:17:50,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:17:50,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:17:50,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:17:50,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:17:50,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:17:50,200 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:17:50,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:17:50,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:17:50,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:17:50,202 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:17:50,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:17:50,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:17:50,203 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:17:50,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:17:50,204 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 01:17:50,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:17:50,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:17:50,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:17:50,214 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:17:50,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:17:50,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:17:50,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:17:50,215 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 01:17:50,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:17:50,216 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:17:50,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:17:50,216 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:17:50,216 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:17:50,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:17:50,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:17:50,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:17:50,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:17:50,217 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_17d36379-4245-4df6-a419-442737f8e227/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 [2018-11-23 01:17:50,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:17:50,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:17:50,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:17:50,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:17:50,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:17:50,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-23 01:17:50,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/data/79a1b91a5/667b88ce8323483cac0f9f9d97390a42/FLAGdc153291d [2018-11-23 01:17:50,689 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:17:50,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-23 01:17:50,694 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/data/79a1b91a5/667b88ce8323483cac0f9f9d97390a42/FLAGdc153291d [2018-11-23 01:17:50,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/data/79a1b91a5/667b88ce8323483cac0f9f9d97390a42 [2018-11-23 01:17:50,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:17:50,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:17:50,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:17:50,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:17:50,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:17:50,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50, skipping insertion in model container [2018-11-23 01:17:50,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:17:50,728 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:17:50,827 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:17:50,829 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:17:50,838 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:17:50,845 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:17:50,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50 WrapperNode [2018-11-23 01:17:50,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:17:50,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:17:50,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:17:50,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:17:50,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:17:50,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:17:50,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:17:50,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:17:50,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... [2018-11-23 01:17:50,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:17:50,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:17:50,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:17:50,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:17:50,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/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 [2018-11-23 01:17:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:17:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:17:51,040 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:17:51,040 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 01:17:51,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:51 BoogieIcfgContainer [2018-11-23 01:17:51,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:17:51,041 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:17:51,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:17:51,049 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:17:51,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:51" (1/1) ... [2018-11-23 01:17:51,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:17:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-23 01:17:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 01:17:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 01:17:51,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-11-23 01:17:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-11-23 01:17:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 01:17:51,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:51,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-11-23 01:17:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-11-23 01:17:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 01:17:51,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-23 01:17:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-23 01:17:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 01:17:51,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-11-23 01:17:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-11-23 01:17:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:17:51,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:17:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2018-11-23 01:17:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2018-11-23 01:17:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 01:17:52,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2018-11-23 01:17:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2018-11-23 01:17:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:17:52,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:17:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-23 01:17:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-23 01:17:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 01:17:52,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:17:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-11-23 01:17:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-11-23 01:17:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:17:52,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:17:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:17:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:17:52,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:17:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-11-23 01:17:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-11-23 01:17:52,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:17:52,919 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 01:17:52,925 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-23 01:17:52,970 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:17:52,972 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 01:17:52,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:17:52 ImpRootNode [2018-11-23 01:17:52,976 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:17:52,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:17:52,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:17:52,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:17:52,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:51" (3/4) ... [2018-11-23 01:17:52,979 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:17:52,985 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:17:52,985 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:17:52,985 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:17:53,012 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_17d36379-4245-4df6-a419-442737f8e227/bin-2019/ukojak/witness.graphml [2018-11-23 01:17:53,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:17:53,013 INFO L168 Benchmark]: Toolchain (without parser) took 2305.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 959.2 MB in the beginning and 971.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 141.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,013 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. [2018-11-23 01:17:53,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.12 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,015 INFO L168 Benchmark]: Boogie Preprocessor took 10.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:17:53,015 INFO L168 Benchmark]: RCFGBuilder took 165.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,015 INFO L168 Benchmark]: CodeCheck took 1935.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.3 MB in the end (delta: 164.6 MB). Peak memory consumption was 164.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,015 INFO L168 Benchmark]: Witness Printer took 35.53 ms. Allocated memory is still 1.2 GB. Free memory was 975.3 MB in the beginning and 971.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:17:53,017 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, 16 locations, 4 error locations. SAFE Result, 1.8s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2368 SDtfs, 4548 SDslu, 2688 SDs, 0 SdLazy, 17176 SolverSat, 4028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 911 GetRequests, 786 SyntacticMatches, 29 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3984 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 2328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 27/30 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: 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 - 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 0.14 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 137.12 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 18.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.25 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1935.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.3 MB in the end (delta: 164.6 MB). Peak memory consumption was 164.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.53 ms. Allocated memory is still 1.2 GB. Free memory was 975.3 MB in the beginning and 971.8 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...