./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/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 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:44:38,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:44:38,774 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:44:38,781 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:44:38,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:44:38,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:44:38,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:44:38,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:44:38,784 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:44:38,785 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:44:38,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:44:38,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:44:38,786 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:44:38,787 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:44:38,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:44:38,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:44:38,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:44:38,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:44:38,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:44:38,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:44:38,793 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:44:38,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:44:38,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:44:38,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:44:38,795 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:44:38,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:44:38,797 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:44:38,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:44:38,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:44:38,798 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:44:38,798 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:44:38,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:44:38,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:44:38,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:44:38,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:44:38,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:44:38,800 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 12:44:38,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:44:38,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:44:38,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:44:38,810 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:44:38,811 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:44:38,811 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:44:38,811 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:44:38,811 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:44:38,811 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:44:38,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:44:38,812 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:44:38,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:44:38,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:44:38,813 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:44:38,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:44:38,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:44:38,814 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_56533914-97e4-4db4-bab7-5f085344b882/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 -> 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 [2018-11-10 12:44:38,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:44:38,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:44:38,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:44:38,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:44:38,847 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:44:38,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c [2018-11-10 12:44:38,881 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/data/e70954788/cc5f1f8f67df434ba8afc789278c5c85/FLAG45647fda2 [2018-11-10 12:44:39,272 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:44:39,272 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c [2018-11-10 12:44:39,277 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/data/e70954788/cc5f1f8f67df434ba8afc789278c5c85/FLAG45647fda2 [2018-11-10 12:44:39,287 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/data/e70954788/cc5f1f8f67df434ba8afc789278c5c85 [2018-11-10 12:44:39,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:44:39,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:44:39,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:44:39,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:44:39,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:44:39,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39, skipping insertion in model container [2018-11-10 12:44:39,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:44:39,316 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:44:39,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:44:39,403 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:44:39,412 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:44:39,420 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:44:39,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39 WrapperNode [2018-11-10 12:44:39,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:44:39,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:44:39,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:44:39,421 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:44:39,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:44:39,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:44:39,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:44:39,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:44:39,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:44:39,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:44:39,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:44:39,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:44:39,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:44:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:44:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:44:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:44:39,680 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:44:39,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:39 BoogieIcfgContainer [2018-11-10 12:44:39,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:44:39,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:44:39,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:44:39,688 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:44:39,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:39" (1/1) ... [2018-11-10 12:44:39,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:44:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-11-10 12:44:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-11-10 12:44:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:44:39,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-11-10 12:44:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-11-10 12:44:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:44:39,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-11-10 12:44:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-11-10 12:44:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:44:39,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2018-11-10 12:44:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2018-11-10 12:44:40,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:44:40,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-10 12:44:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-10 12:44:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:44:40,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:44:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2018-11-10 12:44:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2018-11-10 12:44:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:44:40,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2018-11-10 12:44:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-10 12:44:40,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:44:40,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2018-11-10 12:44:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2018-11-10 12:44:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:44:40,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions. [2018-11-10 12:44:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2018-11-10 12:44:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:44:40,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2018-11-10 12:44:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2018-11-10 12:44:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:44:41,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2018-11-10 12:44:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-10 12:44:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:44:41,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 12:44:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2018-11-10 12:44:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-11-10 12:44:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:44:41,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 12:44:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2018-11-10 12:44:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-10 12:44:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:44:41,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:44:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2018-11-10 12:44:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-11-10 12:44:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:44:41,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:44:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:44:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 12:44:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:44:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-11-10 12:44:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-11-10 12:44:41,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:44:41,520 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2018-11-10 12:44:41,527 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 12:44:41,617 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 12:44:41,622 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:44:41,622 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-11-10 12:44:41,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:44:41 ImpRootNode [2018-11-10 12:44:41,623 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:44:41,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:44:41,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:44:41,624 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:44:41,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:44:39" (3/4) ... [2018-11-10 12:44:41,627 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:44:41,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 12:44:41,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:44:41,635 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:44:41,662 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56533914-97e4-4db4-bab7-5f085344b882/bin-2019/ukojak/witness.graphml [2018-11-10 12:44:41,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:44:41,663 INFO L168 Benchmark]: Toolchain (without parser) took 2372.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,664 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:44:41,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.68 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:44:41,665 INFO L168 Benchmark]: Boogie Preprocessor took 14.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,665 INFO L168 Benchmark]: RCFGBuilder took 219.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,665 INFO L168 Benchmark]: CodeCheck took 1942.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 371.2 kB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,666 INFO L168 Benchmark]: Witness Printer took 38.75 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:44:41,668 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, 20 locations, 4 error locations. SAFE Result, 1.8s OverallTime, 15 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49152 SDtfs, 153604 SDslu, 72464 SDs, 0 SdLazy, 465032 SolverSat, 114032 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1332 GetRequests, 1172 SyntacticMatches, 74 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3266 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 5069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 44/48 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 19]: Loop Invariant Derived loop invariant: x <= 1073741823 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((x <= y && x <= 1073741823) && 0 <= x) || ((1 <= y && x <= 1073741823) && y < x) * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.68 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1942.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 371.2 kB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.75 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...