./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/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 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:05:58,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:05:58,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:05:58,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:05:58,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:05:58,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:05:58,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:05:58,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:05:58,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:05:58,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:05:58,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:05:58,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:05:58,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:05:58,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:05:58,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:05:58,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:05:58,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:05:58,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:05:58,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:05:58,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:05:58,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:05:58,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:05:58,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:05:58,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:05:58,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:05:58,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:05:58,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:05:58,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:05:58,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:05:58,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:05:58,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:05:58,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:05:58,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:05:58,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:05:58,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:05:58,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:05:58,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:05:58,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:05:58,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:05:58,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:05:58,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:05:58,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 10:05:58,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:05:58,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:05:58,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:05:58,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:05:58,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:05:58,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:05:58,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:05:58,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:05:58,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:05:58,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:05:58,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:05:58,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:05:58,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:05:58,428 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:05:58,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:05:58,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:05:58,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:05:58,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:05:58,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:05:58,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:05:58,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:05:58,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:05:58,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:05:58,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:05:58,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:05:58,431 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:05:58,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:05:58,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:05:58,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/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 -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2019-11-20 10:05:58,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:05:58,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:05:58,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:05:58,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:05:58,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:05:58,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-11-20 10:05:58,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/data/301e63735/66eafbfb89a547bfac417c3361c29d3d/FLAG5fb5bd58e [2019-11-20 10:05:59,045 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:05:59,046 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2019-11-20 10:05:59,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/data/301e63735/66eafbfb89a547bfac417c3361c29d3d/FLAG5fb5bd58e [2019-11-20 10:05:59,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/data/301e63735/66eafbfb89a547bfac417c3361c29d3d [2019-11-20 10:05:59,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:05:59,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:05:59,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:05:59,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:05:59,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:05:59,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dcddee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59, skipping insertion in model container [2019-11-20 10:05:59,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,091 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:05:59,107 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:05:59,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:05:59,250 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:05:59,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:05:59,337 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:05:59,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59 WrapperNode [2019-11-20 10:05:59,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:05:59,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:05:59,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:05:59,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:05:59,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:05:59,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:05:59,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:05:59,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:05:59,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:05:59,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:05:59,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:05:59,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:05:59,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:05:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/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 [2019-11-20 10:05:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:05:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:05:59,669 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:05:59,669 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:05:59,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:59 BoogieIcfgContainer [2019-11-20 10:05:59,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:05:59,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:05:59,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:05:59,681 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:05:59,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:59" (1/1) ... [2019-11-20 10:05:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:05:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:05:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-11-20 10:05:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-11-20 10:05:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:05:59,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:05:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:05:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:05:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2019-11-20 10:05:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-11-20 10:05:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:05:59,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:05:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:05:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2019-11-20 10:06:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2019-11-20 10:06:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:06:00,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2019-11-20 10:06:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2019-11-20 10:06:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:06:00,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2019-11-20 10:06:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2019-11-20 10:06:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:06:00,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2019-11-20 10:06:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2019-11-20 10:06:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:06:00,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2019-11-20 10:06:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-11-20 10:06:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:06:01,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2019-11-20 10:06:01,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2019-11-20 10:06:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:06:01,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:06:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2019-11-20 10:06:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-11-20 10:06:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:06:01,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:06:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2019-11-20 10:06:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2019-11-20 10:06:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:06:02,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:06:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2019-11-20 10:06:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2019-11-20 10:06:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:06:02,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2019-11-20 10:06:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2019-11-20 10:06:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:06:02,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:06:02,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2019-11-20 10:06:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2019-11-20 10:06:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:06:02,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:06:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:06:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:06:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:06:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-11-20 10:06:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-20 10:06:02,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:06:02,939 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2019-11-20 10:06:02,947 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2019-11-20 10:06:03,018 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 10:06:03,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:06:03 ImpRootNode [2019-11-20 10:06:03,026 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:06:03,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:06:03,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:06:03,027 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:06:03,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:05:59" (3/4) ... [2019-11-20 10:06:03,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:06:03,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 10:06:03,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:06:03,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:06:03,083 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3758711d-5a69-45ff-a6c8-95d26a5f37f0/bin/ukojak/witness.graphml [2019-11-20 10:06:03,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:06:03,086 INFO L168 Benchmark]: Toolchain (without parser) took 4013.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 944.8 MB in the beginning and 937.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,086 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:06:03,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:06:03,088 INFO L168 Benchmark]: Boogie Preprocessor took 30.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,088 INFO L168 Benchmark]: RCFGBuilder took 265.18 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,089 INFO L168 Benchmark]: CodeCheck took 3354.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.4 MB in the end (delta: 155.6 MB). Peak memory consumption was 155.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,089 INFO L168 Benchmark]: Witness Printer took 57.52 ms. Allocated memory is still 1.2 GB. Free memory was 944.4 MB in the beginning and 937.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:06:03,092 INFO L335 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, 6 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 45056 SDtfs, 64664 SDslu, 103464 SDs, 0 SdLazy, 174888 SolverSat, 33000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 1559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: 24]: 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && z <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.81 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 265.18 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3354.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.4 MB in the end (delta: 155.6 MB). Peak memory consumption was 155.6 MB. Max. memory is 11.5 GB. * Witness Printer took 57.52 ms. Allocated memory is still 1.2 GB. Free memory was 944.4 MB in the beginning and 937.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...