./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/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 f560e32afd5a40adf4a98abbf810cb377947c4f4 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:13:37,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:13:37,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:13:37,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:13:37,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:13:37,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:13:37,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:13:37,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:13:37,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:13:37,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:13:37,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:13:37,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:13:37,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:13:37,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:13:37,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:13:37,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:13:37,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:13:37,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:13:37,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:13:37,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:13:37,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:13:37,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:13:37,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:13:37,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:13:37,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:13:37,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:13:37,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:13:37,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:13:37,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:13:37,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:13:37,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:13:37,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:13:37,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:13:37,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:13:37,170 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:13:37,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:13:37,170 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 19:13:37,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:13:37,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:13:37,178 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:13:37,178 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:13:37,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:13:37,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:13:37,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:13:37,178 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:13:37,179 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:13:37,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:13:37,180 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:13:37,180 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:13:37,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:13:37,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:13:37,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:13:37,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:13:37,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:13:37,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:13:37,181 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:13:37,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:13:37,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:13:37,181 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_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/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 -> f560e32afd5a40adf4a98abbf810cb377947c4f4 [2018-12-08 19:13:37,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:13:37,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:13:37,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:13:37,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:13:37,209 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:13:37,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-12-08 19:13:37,243 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/data/a2c3358bd/401e2e4432b947c0a388e9a4161cef51/FLAG4757ef916 [2018-12-08 19:13:37,611 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:13:37,611 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4_true-termination_true-no-overflow.c [2018-12-08 19:13:37,614 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/data/a2c3358bd/401e2e4432b947c0a388e9a4161cef51/FLAG4757ef916 [2018-12-08 19:13:37,622 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/data/a2c3358bd/401e2e4432b947c0a388e9a4161cef51 [2018-12-08 19:13:37,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:13:37,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:13:37,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:13:37,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:13:37,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:13:37,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37, skipping insertion in model container [2018-12-08 19:13:37,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:13:37,641 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:13:37,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:13:37,723 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:13:37,731 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:13:37,739 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:13:37,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37 WrapperNode [2018-12-08 19:13:37,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:13:37,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:13:37,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:13:37,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:13:37,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:13:37,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:13:37,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:13:37,758 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:13:37,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:13:37,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:13:37,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:13:37,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:13:37,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:13:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:13:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:13:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:13:37,918 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:13:37,918 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 19:13:37,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:13:37 BoogieIcfgContainer [2018-12-08 19:13:37,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:13:37,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:13:37,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:13:37,925 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:13:37,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:13:37" (1/1) ... [2018-12-08 19:13:37,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:13:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-08 19:13:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-08 19:13:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 19:13:37,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-08 19:13:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-08 19:13:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 19:13:38,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2018-12-08 19:13:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-12-08 19:13:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 19:13:38,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-12-08 19:13:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-12-08 19:13:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 19:13:38,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2018-12-08 19:13:38,441 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2018-12-08 19:13:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 19:13:38,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2018-12-08 19:13:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2018-12-08 19:13:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 19:13:38,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-12-08 19:13:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-12-08 19:13:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 19:13:38,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2018-12-08 19:13:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2018-12-08 19:13:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 19:13:39,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 19:13:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2018-12-08 19:13:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2018-12-08 19:13:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 19:13:39,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 19:13:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-08 19:13:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-08 19:13:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:13:39,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:13:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2018-12-08 19:13:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2018-12-08 19:13:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:13:39,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 19:13:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-12-08 19:13:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-12-08 19:13:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 19:13:39,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:13:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:13:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 19:13:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:13:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-12-08 19:13:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-12-08 19:13:39,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:13:39,991 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-08 19:13:39,997 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 19:13:40,034 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 19:13:40,036 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 19:13:40,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:13:40 ImpRootNode [2018-12-08 19:13:40,041 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:13:40,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:13:40,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:13:40,041 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:13:40,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:13:37" (3/4) ... [2018-12-08 19:13:40,043 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:13:40,048 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 19:13:40,049 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:13:40,049 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:13:40,072 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_af1fd4e5-b1bf-4d61-9898-48aa52e4542b/bin-2019/ukojak/witness.graphml [2018-12-08 19:13:40,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:13:40,073 INFO L168 Benchmark]: Toolchain (without parser) took 2449.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 957.1 MB in the beginning and 981.3 MB in the end (delta: -24.2 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:40,074 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:13:40,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:40,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:13:40,074 INFO L168 Benchmark]: Boogie Preprocessor took 10.73 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 939.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:40,075 INFO L168 Benchmark]: RCFGBuilder took 149.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:40,075 INFO L168 Benchmark]: CodeCheck took 2122.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 981.3 MB in the end (delta: 121.3 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. [2018-12-08 19:13:40,075 INFO L168 Benchmark]: Witness Printer took 31.81 ms. Allocated memory is still 1.2 GB. Free memory is still 981.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:13:40,077 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, 2.0s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8192 SDtfs, 26506 SDslu, 8192 SDs, 0 SdLazy, 138386 SolverSat, 21448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1130 GetRequests, 984 SyntacticMatches, 44 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4296 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 2611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 30/40 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((2147483647 < m && i + 2 <= m) && i <= 2147483647) || ((m <= 2147483647 && 1 <= m) && i <= m + 2147483646) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 17.85 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.73 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 939.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 149.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2122.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 981.3 MB in the end (delta: 121.3 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. * Witness Printer took 31.81 ms. Allocated memory is still 1.2 GB. Free memory is still 981.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...