./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/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 4c761fb15c9d367876fc9f1553874e9680fa1668 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:29:22,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:29:22,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:29:22,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:29:22,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:29:22,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:29:22,878 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:29:22,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:29:22,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:29:22,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:29:22,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:29:22,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:29:22,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:29:22,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:29:22,882 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:29:22,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:29:22,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:29:22,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:29:22,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:29:22,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:29:22,887 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:29:22,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:29:22,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:29:22,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:29:22,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:29:22,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:29:22,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:29:22,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:29:22,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:29:22,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:29:22,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:29:22,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:29:22,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:29:22,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:29:22,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:29:22,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:29:22,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 15:29:22,905 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:29:22,906 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:29:22,906 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:29:22,907 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:29:22,907 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:29:22,907 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:29:22,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:29:22,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:29:22,909 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:29:22,909 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:29:22,909 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:29:22,909 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:29:22,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:29:22,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:29:22,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:29:22,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:29:22,910 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:29:22,910 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:29:22,910 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:29:22,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:29:22,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:29:22,910 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_bfffeed7-1874-478d-8a0b-e2e4e018e19b/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 -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2018-11-18 15:29:22,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:29:22,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:29:22,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:29:22,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:29:22,948 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:29:22,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-11-18 15:29:22,994 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/data/cf12c2f4b/a6873329d84842eea8c549ee7577ed6a/FLAG244e8573b [2018-11-18 15:29:23,386 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:29:23,387 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-11-18 15:29:23,391 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/data/cf12c2f4b/a6873329d84842eea8c549ee7577ed6a/FLAG244e8573b [2018-11-18 15:29:23,400 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/data/cf12c2f4b/a6873329d84842eea8c549ee7577ed6a [2018-11-18 15:29:23,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:29:23,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:29:23,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:29:23,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:29:23,406 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:29:23,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23, skipping insertion in model container [2018-11-18 15:29:23,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:29:23,429 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:29:23,554 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:29:23,556 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:29:23,565 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:29:23,573 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:29:23,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23 WrapperNode [2018-11-18 15:29:23,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:29:23,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:29:23,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:29:23,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:29:23,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:29:23,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:29:23,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:29:23,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:29:23,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:29:23,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:29:23,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:29:23,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:29:23,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:29:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:29:23,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:29:23,799 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:29:23,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:29:23 BoogieIcfgContainer [2018-11-18 15:29:23,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:29:23,800 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:29:23,800 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:29:23,806 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:29:23,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:29:23" (1/1) ... [2018-11-18 15:29:23,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:29:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-18 15:29:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-18 15:29:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 15:29:23,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-18 15:29:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-18 15:29:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 15:29:23,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2018-11-18 15:29:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-11-18 15:29:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:29:24,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2018-11-18 15:29:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2018-11-18 15:29:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 15:29:24,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2018-11-18 15:29:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-18 15:29:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:29:24,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-11-18 15:29:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-11-18 15:29:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:29:24,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2018-11-18 15:29:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-11-18 15:29:24,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:29:24,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-11-18 15:29:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-11-18 15:29:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:29:25,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 84 transitions. [2018-11-18 15:29:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2018-11-18 15:29:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:29:25,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2018-11-18 15:29:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-11-18 15:29:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:29:25,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2018-11-18 15:29:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2018-11-18 15:29:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:29:26,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-11-18 15:29:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-11-18 15:29:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:29:26,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2018-11-18 15:29:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2018-11-18 15:29:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:29:26,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2018-11-18 15:29:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-11-18 15:29:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:29:27,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2018-11-18 15:29:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2018-11-18 15:29:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 15:29:27,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2018-11-18 15:29:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2018-11-18 15:29:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 15:29:28,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:28,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2018-11-18 15:29:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2018-11-18 15:29:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:29:28,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:29:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 128 transitions. [2018-11-18 15:29:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2018-11-18 15:29:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:29:28,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:29:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2018-11-18 15:29:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2018-11-18 15:29:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:29:29,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:29:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2018-11-18 15:29:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2018-11-18 15:29:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:29:29,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:29:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:29:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:29:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:29:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-11-18 15:29:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-18 15:29:29,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:29:29,306 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2018-11-18 15:29:29,312 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-18 15:29:29,391 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:29:29,393 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 15:29:29,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:29:29 ImpRootNode [2018-11-18 15:29:29,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:29:29,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:29:29,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:29:29,398 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:29:29,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:29:23" (3/4) ... [2018-11-18 15:29:29,401 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:29:29,408 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 15:29:29,408 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:29:29,408 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:29:29,440 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfffeed7-1874-478d-8a0b-e2e4e018e19b/bin-2019/ukojak/witness.graphml [2018-11-18 15:29:29,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:29:29,441 INFO L168 Benchmark]: Toolchain (without parser) took 6037.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 958.1 MB in the beginning and 831.0 MB in the end (delta: 127.0 MB). Peak memory consumption was 311.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:29,442 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:29:29,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.36 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:29,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.17 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:29,442 INFO L168 Benchmark]: Boogie Preprocessor took 12.65 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:29:29,442 INFO L168 Benchmark]: RCFGBuilder took 193.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:29,443 INFO L168 Benchmark]: CodeCheck took 5597.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 831.0 MB in the end (delta: 264.3 MB). Peak memory consumption was 338.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:29,443 INFO L168 Benchmark]: Witness Printer took 41.96 ms. Allocated memory is still 1.2 GB. Free memory is still 831.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:29:29,445 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, 27 locations, 8 error locations. SAFE Result, 5.4s OverallTime, 21 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2869312 SDtfs, 6433884 SDslu, 5036192 SDs, 0 SdLazy, 24142064 SolverSat, 4845520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 1955 SyntacticMatches, 79 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17444 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 8888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 34/39 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((y <= x + 2147483647 && x <= 2147483647) && x <= y + 2147483647) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.36 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 19.17 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.65 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 5597.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 831.0 MB in the end (delta: 264.3 MB). Peak memory consumption was 338.7 MB. Max. memory is 11.5 GB. * Witness Printer took 41.96 ms. Allocated memory is still 1.2 GB. Free memory is still 831.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...