./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 .................................................................................................................................................................................................................................................................................. 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 04:02:25,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:02:25,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:02:25,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:02:25,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:02:25,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:02:25,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:02:25,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:02:25,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:02:25,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:02:25,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:02:25,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:02:25,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:02:25,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:02:25,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:02:25,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:02:25,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:02:25,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:02:25,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:02:25,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:02:25,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:02:25,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:02:26,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:02:26,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:02:26,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:02:26,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:02:26,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:02:26,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:02:26,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:02:26,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:02:26,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:02:26,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:02:26,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:02:26,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:02:26,005 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:02:26,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:02:26,005 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 04:02:26,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:02:26,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:02:26,016 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:02:26,016 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:02:26,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:02:26,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:02:26,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:02:26,017 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:02:26,017 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:02:26,017 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:02:26,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:02:26,018 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:02:26,018 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:02:26,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:02:26,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:02:26,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:02:26,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:02:26,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:02:26,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:02:26,019 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:02:26,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:02:26,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:02:26,020 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_c24b400f-f883-4b00-b340-4a19914a57f3/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 -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2018-11-10 04:02:26,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:02:26,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:02:26,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:02:26,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:02:26,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:02:26,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-10 04:02:26,106 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/data/9260d93c5/0dd1ce8e22c64e3b9fa5eafd609e9e45/FLAG06cf14008 [2018-11-10 04:02:26,503 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:02:26,504 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-10 04:02:26,507 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/data/9260d93c5/0dd1ce8e22c64e3b9fa5eafd609e9e45/FLAG06cf14008 [2018-11-10 04:02:26,515 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/data/9260d93c5/0dd1ce8e22c64e3b9fa5eafd609e9e45 [2018-11-10 04:02:26,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:02:26,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:02:26,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:02:26,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:02:26,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:02:26,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26, skipping insertion in model container [2018-11-10 04:02:26,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:02:26,541 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:02:26,629 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:02:26,631 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:02:26,639 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:02:26,648 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:02:26,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26 WrapperNode [2018-11-10 04:02:26,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:02:26,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:02:26,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:02:26,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:02:26,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:02:26,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:02:26,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:02:26,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:02:26,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:02:26,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:02:26,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:02:26,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:02:26,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:02:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/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 04:02:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:02:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:02:26,891 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:02:26,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:26 BoogieIcfgContainer [2018-11-10 04:02:26,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:02:26,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:02:26,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:02:26,901 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:02:26,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:26" (1/1) ... [2018-11-10 04:02:26,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:02:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 04:02:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 04:02:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:02:26,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,072 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 04:02:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 04:02:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 04:02:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:02:27,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,234 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 04:02:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2018-11-10 04:02:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-10 04:02:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:02:27,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,437 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 04:02:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-10 04:02:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-10 04:02:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:02:27,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,676 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 04:02:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-10 04:02:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-10 04:02:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:02:27,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:02:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2018-11-10 04:02:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-11-10 04:02:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:02:27,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:27,953 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 04:02:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-11-10 04:02:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-11-10 04:02:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:02:28,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:02:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-10 04:02:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-10 04:02:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:02:28,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:02:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-10 04:02:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-10 04:02:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:02:28,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 04:02:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 04:02:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 04:02:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:02:28,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:02:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:02:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 04:02:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:02:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-10 04:02:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-10 04:02:28,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:02:28,405 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 04:02:28,411 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 04:02:28,440 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 04:02:28,446 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:02:28,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:02:28 ImpRootNode [2018-11-10 04:02:28,447 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:02:28,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:02:28,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:02:28,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:02:28,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:02:26" (3/4) ... [2018-11-10 04:02:28,450 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:02:28,456 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 04:02:28,456 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 04:02:28,457 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:02:28,490 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c24b400f-f883-4b00-b340-4a19914a57f3/bin-2019/ukojak/witness.graphml [2018-11-10 04:02:28,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:02:28,490 INFO L168 Benchmark]: Toolchain (without parser) took 1972.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 954.9 MB in the beginning and 838.0 MB in the end (delta: 116.9 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,491 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:02:28,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.69 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:02:28,493 INFO L168 Benchmark]: Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,493 INFO L168 Benchmark]: RCFGBuilder took 211.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,494 INFO L168 Benchmark]: CodeCheck took 1554.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.4 MB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,494 INFO L168 Benchmark]: Witness Printer took 42.87 ms. Allocated memory is still 1.2 GB. Free memory was 841.4 MB in the beginning and 838.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:02:28,496 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, 17 locations, 4 error locations. SAFE Result, 1.4s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1024 SDtfs, 8440 SDslu, 4608 SDs, 0 SdLazy, 30536 SolverSat, 7380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 732 GetRequests, 635 SyntacticMatches, 39 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 13/22 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && K <= 2147483647) && 0 <= K + 2147483648 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.69 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.36 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1554.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.4 MB in the end (delta: 266.8 MB). Peak memory consumption was 266.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.87 ms. Allocated memory is still 1.2 GB. Free memory was 841.4 MB in the beginning and 838.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...