./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_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_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/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 df3ddc93bc6339292c9158119f1fdb949bb8842d ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:17:22,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:17:22,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:17:22,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:17:22,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:17:22,575 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:17:22,576 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:17:22,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:17:22,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:17:22,580 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:17:22,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:17:22,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:17:22,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:17:22,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:17:22,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:17:22,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:17:22,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:17:22,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:17:22,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:17:22,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:17:22,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:17:22,590 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:17:22,592 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:17:22,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:17:22,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:17:22,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:17:22,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:17:22,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:17:22,596 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:17:22,597 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:17:22,597 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:17:22,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:17:22,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:17:22,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:17:22,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:17:22,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:17:22,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:17:22,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:17:22,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:17:22,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:17:22,613 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:17:22,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:17:22,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:17:22,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:17:22,615 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:17:22,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:17:22,616 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:17:22,616 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:17:22,616 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:17:22,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:17:22,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:17:22,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:17:22,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:17:22,617 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_fe79a980-21ac-4835-b7ce-c88b6bd21d81/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 -> df3ddc93bc6339292c9158119f1fdb949bb8842d [2018-10-27 05:17:22,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:17:22,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:17:22,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:17:22,656 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:17:22,657 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:17:22,657 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c [2018-10-27 05:17:22,713 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/data/2d38350c6/18157a46d2b64eb0b6f539bf867bf671/FLAG924ee8514 [2018-10-27 05:17:23,070 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:17:23,070 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a_true-termination_true-no-overflow.c [2018-10-27 05:17:23,075 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/data/2d38350c6/18157a46d2b64eb0b6f539bf867bf671/FLAG924ee8514 [2018-10-27 05:17:23,085 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/data/2d38350c6/18157a46d2b64eb0b6f539bf867bf671 [2018-10-27 05:17:23,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:17:23,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:17:23,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:23,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:17:23,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:17:23,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4087c74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23, skipping insertion in model container [2018-10-27 05:17:23,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:17:23,117 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:17:23,229 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:23,231 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:17:23,240 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:23,248 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:17:23,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23 WrapperNode [2018-10-27 05:17:23,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:23,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:23,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:17:23,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:17:23,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:23,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:17:23,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:17:23,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:17:23,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:17:23,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:17:23,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:17:23,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:17:23,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/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 [2018-10-27 05:17:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:17:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:17:23,687 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:17:23,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:23 BoogieIcfgContainer [2018-10-27 05:17:23,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:17:23,688 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:17:23,688 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:17:23,711 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:17:23,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:23" (1/1) ... [2018-10-27 05:17:23,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:17:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-10-27 05:17:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-27 05:17:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:17:23,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-27 05:17:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-27 05:17:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:17:23,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-10-27 05:17:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-10-27 05:17:24,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:24,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-10-27 05:17:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-10-27 05:17:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:24,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:24,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-27 05:17:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-27 05:17:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:24,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-27 05:17:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-27 05:17:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:17:24,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-27 05:17:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-27 05:17:25,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:17:25,051 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-10-27 05:17:25,058 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-10-27 05:17:25,096 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-27 05:17:25,104 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:17:25,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:17:25 ImpRootNode [2018-10-27 05:17:25,104 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:17:25,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:17:25,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:17:25,105 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:17:25,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:23" (3/4) ... [2018-10-27 05:17:25,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:17:25,125 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 05:17:25,125 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:17:25,126 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:17:25,157 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe79a980-21ac-4835-b7ce-c88b6bd21d81/bin-2019/ukojak/witness.graphml [2018-10-27 05:17:25,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:17:25,158 INFO L168 Benchmark]: Toolchain (without parser) took 2068.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 55.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,159 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:25,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:25,161 INFO L168 Benchmark]: Boogie Preprocessor took 14.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 946.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,161 INFO L168 Benchmark]: RCFGBuilder took 399.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -217.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,162 INFO L168 Benchmark]: CodeCheck took 1415.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,162 INFO L168 Benchmark]: Witness Printer took 52.96 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:25,165 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, 1.3s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 320 SDtfs, 420 SDslu, 128 SDs, 0 SdLazy, 1202 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 293 SyntacticMatches, 13 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 6/7 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 2147483648 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 946.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 399.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -217.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1415.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.96 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...