./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.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_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/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 c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc .................................................................................................................................................................................................................................... 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 14:14:38,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:14:38,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:14:38,905 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:14:38,905 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:14:38,906 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:14:38,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:14:38,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:14:38,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:14:38,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:14:38,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:14:38,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:14:38,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:14:38,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:14:38,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:14:38,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:14:38,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:14:38,915 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:14:38,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:14:38,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:14:38,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:14:38,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:14:38,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:14:38,921 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:14:38,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:14:38,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:14:38,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:14:38,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:14:38,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:14:38,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:14:38,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:14:38,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:14:38,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:14:38,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:14:38,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:14:38,926 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:14:38,926 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 14:14:38,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:14:38,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:14:38,936 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:14:38,936 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:14:38,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:14:38,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:14:38,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:14:38,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:14:38,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:14:38,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:14:38,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:14:38,938 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:14:38,938 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:14:38,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:14:38,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:14:38,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:14:38,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:14:38,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:14:38,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:14:38,939 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:14:38,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:14:38,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:14:38,940 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_c566cfc2-582e-4369-8bee-73028ff6c66a/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 -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2018-11-18 14:14:38,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:14:38,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:14:38,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:14:38,976 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:14:38,976 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:14:38,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 14:14:39,018 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/data/edf4200cf/f5410020a3b7409ba661c38e1697d5f7/FLAGb59e886fa [2018-11-18 14:14:39,406 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:14:39,406 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 14:14:39,410 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/data/edf4200cf/f5410020a3b7409ba661c38e1697d5f7/FLAGb59e886fa [2018-11-18 14:14:39,421 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/data/edf4200cf/f5410020a3b7409ba661c38e1697d5f7 [2018-11-18 14:14:39,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:14:39,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:14:39,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:14:39,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:14:39,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:14:39,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4f020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39, skipping insertion in model container [2018-11-18 14:14:39,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:14:39,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:14:39,542 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:14:39,544 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:14:39,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:14:39,559 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:14:39,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39 WrapperNode [2018-11-18 14:14:39,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:14:39,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:14:39,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:14:39,560 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:14:39,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:14:39,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:14:39,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:14:39,586 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:14:39,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:14:39,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:14:39,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:14:39,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:14:39,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:14:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/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 14:14:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:14:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:14:39,784 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:14:39,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:14:39 BoogieIcfgContainer [2018-11-18 14:14:39,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:14:39,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:14:39,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:14:39,795 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:14:39,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:14:39" (1/1) ... [2018-11-18 14:14:39,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:14:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:14:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-18 14:14:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-18 14:14:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 14:14:39,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:14:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:14:39,946 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 14:14:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:14:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-18 14:14:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-18 14:14:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:14:40,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:14:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:14:40,041 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 14:14:40,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:14:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-11-18 14:14:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-18 14:14:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 14:14:40,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:14:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:14:40,148 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 14:14:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:14:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-18 14:14:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-18 14:14:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 14:14:40,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:14:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:14:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:14:40,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:14:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-18 14:14:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-18 14:14:40,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:14:40,271 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-18 14:14:40,277 INFO L775 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-18 14:14:40,294 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 14:14:40,300 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:14:40,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:14:40 ImpRootNode [2018-11-18 14:14:40,301 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:14:40,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:14:40,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:14:40,301 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:14:40,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:14:39" (3/4) ... [2018-11-18 14:14:40,305 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:14:40,311 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 14:14:40,312 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:14:40,312 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:14:40,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c566cfc2-582e-4369-8bee-73028ff6c66a/bin-2019/ukojak/witness.graphml [2018-11-18 14:14:40,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:14:40,341 INFO L168 Benchmark]: Toolchain (without parser) took 917.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:14:40,342 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:14:40,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.22 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 944.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:14:40,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:14:40,343 INFO L168 Benchmark]: Boogie Preprocessor took 14.81 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:14:40,344 INFO L168 Benchmark]: RCFGBuilder took 183.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:14:40,344 INFO L168 Benchmark]: CodeCheck took 515.77 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:14:40,344 INFO L168 Benchmark]: Witness Printer took 39.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:14:40,346 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, 13 locations, 2 error locations. SAFE Result, 0.4s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 122 SDslu, 56 SDs, 0 SdLazy, 320 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 11 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/7 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= x) || (x < 1 && 0 <= x + 1) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.22 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 944.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.81 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 942.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 183.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 515.77 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...