./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/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 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:40:24,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:40:24,329 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:40:24,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:40:24,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:40:24,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:40:24,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:40:24,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:40:24,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:40:24,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:40:24,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:40:24,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:40:24,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:40:24,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:40:24,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:40:24,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:40:24,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:40:24,342 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:40:24,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:40:24,344 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:40:24,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:40:24,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:40:24,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:40:24,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:40:24,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:40:24,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:40:24,347 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:40:24,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:40:24,348 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:40:24,348 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:40:24,349 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:40:24,349 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:40:24,349 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:40:24,349 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:40:24,350 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:40:24,350 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:40:24,350 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 00:40:24,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:40:24,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:40:24,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:40:24,358 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:40:24,358 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:40:24,358 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:40:24,358 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:40:24,358 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:40:24,358 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:40:24,359 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:40:24,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:40:24,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:40:24,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:40:24,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:40:24,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:40:24,360 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:40:24,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:40:24,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:40:24,360 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_73fe7feb-6621-4c67-965c-12c466d25e19/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 -> 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 [2018-12-09 00:40:24,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:40:24,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:40:24,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:40:24,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:40:24,387 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:40:24,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c [2018-12-09 00:40:24,424 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/data/c84d18cf3/a7f6e6b7ae624bf9b3dbf0f5fd254a6e/FLAGe0ab3ca50 [2018-12-09 00:40:24,835 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:40:24,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c [2018-12-09 00:40:24,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/data/c84d18cf3/a7f6e6b7ae624bf9b3dbf0f5fd254a6e/FLAGe0ab3ca50 [2018-12-09 00:40:24,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/data/c84d18cf3/a7f6e6b7ae624bf9b3dbf0f5fd254a6e [2018-12-09 00:40:24,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:40:24,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:40:24,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:40:24,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:40:24,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:40:24,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24, skipping insertion in model container [2018-12-09 00:40:24,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:40:24,866 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:40:24,946 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:40:24,948 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:40:24,957 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:40:24,964 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:40:24,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24 WrapperNode [2018-12-09 00:40:24,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:40:24,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:40:24,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:40:24,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:40:24,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:40:24,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:40:24,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:40:24,990 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:40:24,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:24,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:25,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:25,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... [2018-12-09 00:40:25,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:40:25,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:40:25,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:40:25,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:40:25,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:40:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/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 [2018-12-09 00:40:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:40:25,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:40:25,180 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:40:25,180 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 00:40:25,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:40:25 BoogieIcfgContainer [2018-12-09 00:40:25,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:40:25,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:40:25,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:40:25,188 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:40:25,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:40:25" (1/1) ... [2018-12-09 00:40:25,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:40:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-09 00:40:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-09 00:40:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:40:25,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:40:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-09 00:40:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-09 00:40:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:40:25,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:40:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-09 00:40:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-09 00:40:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:40:25,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:40:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-09 00:40:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-09 00:40:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:40:25,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:40:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-09 00:40:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-09 00:40:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:40:25,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:40:25,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-09 00:40:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-09 00:40:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:40:25,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:40:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-09 00:40:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-09 00:40:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:40:25,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 00:40:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-12-09 00:40:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-12-09 00:40:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:40:26,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:40:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:40:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:40:26,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:40:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-12-09 00:40:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-12-09 00:40:26,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:40:26,436 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-09 00:40:26,442 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 00:40:26,507 INFO L583 CodeCheckObserver]: Invariant with dag size 5 [2018-12-09 00:40:26,513 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-09 00:40:26,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:40:26 ImpRootNode [2018-12-09 00:40:26,514 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:40:26,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:40:26,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:40:26,514 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:40:26,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:40:25" (3/4) ... [2018-12-09 00:40:26,517 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:40:26,525 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 00:40:26,525 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:40:26,526 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:40:26,554 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73fe7feb-6621-4c67-965c-12c466d25e19/bin-2019/ukojak/witness.graphml [2018-12-09 00:40:26,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:40:26,554 INFO L168 Benchmark]: Toolchain (without parser) took 1705.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 953.3 MB in the beginning and 809.3 MB in the end (delta: 144.0 MB). Peak memory consumption was 277.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:40:26,555 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:40:26,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.70 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:40:26,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.16 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:40:26,556 INFO L168 Benchmark]: Boogie Preprocessor took 14.13 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:40:26,556 INFO L168 Benchmark]: RCFGBuilder took 175.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:40:26,556 INFO L168 Benchmark]: CodeCheck took 1333.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.3 MB in the end (delta: 307.1 MB). Peak memory consumption was 307.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:40:26,557 INFO L168 Benchmark]: Witness Printer took 40.10 ms. Allocated memory is still 1.2 GB. Free memory is still 809.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:40:26,558 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, 15 locations, 4 error locations. SAFE Result, 1.2s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 512 SDtfs, 1044 SDslu, 0 SDs, 0 SdLazy, 5610 SolverSat, 1278 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 388 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2672 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 12/13 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: 22]: 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: 22]: 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: 0 <= i + 2147483648 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((0 <= i + 2147483648 && j <= 0) && 0 <= j) && i <= 4) || ((0 < j && 2 < i) && i <= 4) * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.70 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 25.16 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.13 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1333.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 809.3 MB in the end (delta: 307.1 MB). Peak memory consumption was 307.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.10 ms. Allocated memory is still 1.2 GB. Free memory is still 809.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...