./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.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_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ............................................................................................................................................................................................................................................................................................................ 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 12:59:53,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:59:53,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:59:53,888 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:59:53,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:59:53,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:59:53,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:59:53,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:59:53,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:59:53,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:59:53,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:59:53,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:59:53,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:59:53,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:59:53,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:59:53,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:59:53,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:59:53,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:59:53,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:59:53,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:59:53,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:59:53,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:59:53,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:59:53,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:59:53,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:59:53,906 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:59:53,907 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:59:53,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:59:53,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:59:53,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:59:53,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:59:53,909 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:59:53,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:59:53,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:59:53,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:59:53,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:59:53,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 12:59:53,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:59:53,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:59:53,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:59:53,920 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:59:53,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:59:53,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:59:53,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:59:53,921 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:59:53,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:59:53,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:59:53,921 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:59:53,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:59:53,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:59:53,922 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:59:53,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:59:53,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:59:53,922 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:59:53,922 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:59:53,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:59:53,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:59:53,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:59:53,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:59:53,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:59:53,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:59:53,924 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:59:53,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:59:53,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:59:53,924 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_65224005-f184-46aa-9b36-6d8e340dadc9/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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2018-11-10 12:59:53,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:59:53,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:59:53,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:59:53,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:59:53,967 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:59:53,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 12:59:54,022 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/data/394726063/e11bd4c021fc476899245946f126d9ba/FLAG655cd1157 [2018-11-10 12:59:54,385 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:59:54,385 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 12:59:54,391 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/data/394726063/e11bd4c021fc476899245946f126d9ba/FLAG655cd1157 [2018-11-10 12:59:54,403 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/data/394726063/e11bd4c021fc476899245946f126d9ba [2018-11-10 12:59:54,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:59:54,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:59:54,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:59:54,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:59:54,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:59:54,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584a4260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54, skipping insertion in model container [2018-11-10 12:59:54,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:59:54,435 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:59:54,557 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:59:54,560 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:59:54,572 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:59:54,582 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:59:54,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54 WrapperNode [2018-11-10 12:59:54,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:59:54,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:59:54,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:59:54,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:59:54,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:59:54,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:59:54,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:59:54,608 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:59:54,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:59:54,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:59:54,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:59:54,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:59:54,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:59:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/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 12:59:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:59:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:59:54,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:59:54,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:54 BoogieIcfgContainer [2018-11-10 12:59:54,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:59:54,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:59:54,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:59:54,872 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:59:54,872 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:54" (1/1) ... [2018-11-10 12:59:54,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:59:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-10 12:59:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-10 12:59:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:59:54,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,030 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 12:59:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-11-10 12:59:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-11-10 12:59:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:59:55,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,096 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 12:59:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2018-11-10 12:59:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2018-11-10 12:59:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:59:55,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,219 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 12:59:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-11-10 12:59:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-11-10 12:59:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:59:55,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,255 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 12:59:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2018-11-10 12:59:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2018-11-10 12:59:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:59:55,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,329 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 12:59:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-11-10 12:59:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-11-10 12:59:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:59:55,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,476 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 12:59:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2018-11-10 12:59:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2018-11-10 12:59:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:59:55,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,606 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 12:59:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-10 12:59:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-10 12:59:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:59:55,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,643 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 12:59:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2018-11-10 12:59:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2018-11-10 12:59:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:59:55,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:59:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-11-10 12:59:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-11-10 12:59:55,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:59:55,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:59:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-10 12:59:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-10 12:59:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:59:55,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,835 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 12:59:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-11-10 12:59:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-11-10 12:59:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:59:55,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:59:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-10 12:59:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-10 12:59:55,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:59:55,929 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-10 12:59:55,938 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 12:59:56,077 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:59:56,079 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 12:59:56,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:59:56 ImpRootNode [2018-11-10 12:59:56,084 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:59:56,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:59:56,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:59:56,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:59:56,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:59:54" (3/4) ... [2018-11-10 12:59:56,088 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:59:56,098 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:59:56,098 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:59:56,098 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:59:56,139 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_65224005-f184-46aa-9b36-6d8e340dadc9/bin-2019/ukojak/witness.graphml [2018-11-10 12:59:56,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:59:56,140 INFO L168 Benchmark]: Toolchain (without parser) took 1734.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 959.3 MB in the beginning and 984.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,142 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:59:56,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:59:56,143 INFO L168 Benchmark]: Boogie Preprocessor took 13.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,143 INFO L168 Benchmark]: RCFGBuilder took 242.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,144 INFO L168 Benchmark]: CodeCheck took 1220.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 143.1 MB). Peak memory consumption was 143.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,144 INFO L168 Benchmark]: Witness Printer took 55.01 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 984.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:56,147 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, 29 locations, 8 error locations. SAFE Result, 1.0s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16384 SDtfs, 40888 SDslu, 35372 SDs, 0 SdLazy, 95856 SolverSat, 17652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 870 GetRequests, 806 SyntacticMatches, 34 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 2046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 14/18 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.35 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 242.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1220.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.3 MB in the end (delta: 143.1 MB). Peak memory consumption was 143.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.01 ms. Allocated memory is still 1.2 GB. Free memory was 987.3 MB in the beginning and 984.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...