./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_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_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/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 e334e85dd18553afecc96b27cf49a003304cbca8 .................................................................................................................................................................................................................................................................... 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 05:17:17,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:17:17,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:17:17,503 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:17:17,503 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:17:17,504 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:17:17,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:17:17,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:17:17,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:17:17,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:17:17,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:17:17,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:17:17,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:17:17,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:17:17,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:17:17,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:17:17,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:17:17,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:17:17,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:17:17,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:17:17,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:17:17,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:17:17,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:17:17,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:17:17,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:17:17,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:17:17,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:17:17,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:17:17,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:17:17,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:17:17,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:17:17,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:17:17,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:17:17,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:17:17,538 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:17:17,539 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:17:17,540 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:17:17,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:17:17,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:17:17,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:17:17,555 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:17:17,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:17:17,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:17:17,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:17:17,557 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:17:17,557 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:17:17,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:17:17,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:17:17,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:17:17,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:17:17,559 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:17:17,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:17:17,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:17:17,560 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:17:17,560 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:17:17,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:17:17,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:17:17,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:17:17,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:17:17,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:17:17,561 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:17:17,561 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:17:17,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:17:17,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:17:17,562 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_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/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 -> e334e85dd18553afecc96b27cf49a003304cbca8 [2018-10-27 05:17:17,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:17:17,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:17:17,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:17:17,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:17:17,615 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:17:17,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-10-27 05:17:17,674 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/data/75474b6a1/f73f1c8718754c0dbff23bddf84b840f/FLAG2fbebe9d3 [2018-10-27 05:17:18,032 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:17:18,033 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-10-27 05:17:18,039 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/data/75474b6a1/f73f1c8718754c0dbff23bddf84b840f/FLAG2fbebe9d3 [2018-10-27 05:17:18,053 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/data/75474b6a1/f73f1c8718754c0dbff23bddf84b840f [2018-10-27 05:17:18,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:17:18,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:17:18,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:18,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:17:18,062 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:17:18,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1667508d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18, skipping insertion in model container [2018-10-27 05:17:18,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:17:18,096 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:17:18,253 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:18,256 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:17:18,269 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:17:18,282 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:17:18,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18 WrapperNode [2018-10-27 05:17:18,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:17:18,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:18,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:17:18,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:17:18,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:17:18,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:17:18,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:17:18,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:17:18,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:17:18,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:17:18,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:17:18,337 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:17:18,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:17:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/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 05:17:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:17:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:17:18,934 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:17:18,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:18 BoogieIcfgContainer [2018-10-27 05:17:18,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:17:18,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:17:18,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:17:18,946 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:17:18,946 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:18" (1/1) ... [2018-10-27 05:17:18,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:17:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-27 05:17:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-27 05:17:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:17:19,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:19,184 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 05:17:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-10-27 05:17:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-10-27 05:17:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:17:19,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:19,418 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 05:17:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-10-27 05:17:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-10-27 05:17:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:17:19,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:19,603 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 05:17:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-10-27 05:17:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-10-27 05:17:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:17:20,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:20,328 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 05:17:20,591 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 05:17:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:20,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-10-27 05:17:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-10-27 05:17:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:17:20,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:17:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-10-27 05:17:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-10-27 05:17:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:17:21,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-10-27 05:17:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-10-27 05:17:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:17:22,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:17:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-10-27 05:17:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-10-27 05:17:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:17:22,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:17:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-10-27 05:17:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-10-27 05:17:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:17:22,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:17:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:17:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 05:17:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:17:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-27 05:17:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-27 05:17:23,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:17:23,241 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-10-27 05:17:23,251 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-10-27 05:17:23,367 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:17:23,370 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-27 05:17:23,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:17:23 ImpRootNode [2018-10-27 05:17:23,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:17:23,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:17:23,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:17:23,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:17:23,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:17:18" (3/4) ... [2018-10-27 05:17:23,383 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:17:23,400 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 05:17:23,400 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:17:23,400 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:17:23,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cdd802dd-fb8d-4350-994e-6a73fe6c0dce/bin-2019/ukojak/witness.graphml [2018-10-27 05:17:23,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:17:23,451 INFO L168 Benchmark]: Toolchain (without parser) took 5394.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 962.4 MB in the beginning and 982.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:23,452 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:23,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.86 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:23,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.15 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:17:23,454 INFO L168 Benchmark]: Boogie Preprocessor took 18.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:23,454 INFO L168 Benchmark]: RCFGBuilder took 597.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:23,455 INFO L168 Benchmark]: CodeCheck took 4441.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 982.0 MB in the end (delta: 168.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:17:23,456 INFO L168 Benchmark]: Witness Printer took 73.67 ms. Allocated memory is still 1.2 GB. Free memory was 982.0 MB in the beginning and 982.0 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-10-27 05:17:23,461 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, 18 locations, 4 error locations. SAFE Result, 4.2s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2880 SDtfs, 5972 SDslu, 5024 SDs, 0 SdLazy, 17176 SolverSat, 4028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1014 GetRequests, 884 SyntacticMatches, 34 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3984 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 3215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 34/37 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= v2 && m <= 2147483647) && v1 <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.86 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.6 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 34.15 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.86 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 597.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 4441.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 982.0 MB in the end (delta: 168.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.67 ms. Allocated memory is still 1.2 GB. Free memory was 982.0 MB in the beginning and 982.0 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...