./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_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_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/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 0a8f096dedbbe798ef2fe808d4231fc7a503c17f .................................................................................................................................................................................................................................................................................. 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 05:16:49,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:49,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:49,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:49,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:49,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:49,265 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:49,267 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:49,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:49,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:49,270 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:49,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:49,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:49,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:49,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:49,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:49,275 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:49,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:49,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:49,280 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:49,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:49,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:49,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:49,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:49,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:49,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:49,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:49,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:49,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:49,290 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:49,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:49,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:49,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:49,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:49,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:49,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:49,294 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:49,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:49,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:49,308 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:49,308 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:49,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:49,309 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:49,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:49,310 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:49,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:49,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:49,310 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:49,311 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:49,311 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:49,311 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:49,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:49,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:49,311 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:49,312 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:49,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:49,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:49,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:49,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:49,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:49,315 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:49,315 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:49,315 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:49,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:49,315 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_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/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 -> 0a8f096dedbbe798ef2fe808d4231fc7a503c17f [2018-10-27 05:16:49,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:49,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:49,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:49,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:49,361 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:49,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-10-27 05:16:49,411 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/data/03d0da623/b54393573f354520ab129d8a8f5dda03/FLAGa3890df98 [2018-10-27 05:16:49,811 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:49,812 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9_true-termination_true-no-overflow.c [2018-10-27 05:16:49,819 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/data/03d0da623/b54393573f354520ab129d8a8f5dda03/FLAGa3890df98 [2018-10-27 05:16:49,836 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/data/03d0da623/b54393573f354520ab129d8a8f5dda03 [2018-10-27 05:16:49,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:49,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:49,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:49,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:49,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:49,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:49" (1/1) ... [2018-10-27 05:16:49,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4845e82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:49, skipping insertion in model container [2018-10-27 05:16:49,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:49" (1/1) ... [2018-10-27 05:16:49,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:49,874 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:50,007 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:50,010 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:50,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:50,034 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:50,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50 WrapperNode [2018-10-27 05:16:50,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:50,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:50,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:50,035 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:50,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:50,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:50,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:50,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:50,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:50,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:50,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:50,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:50,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/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 05:16:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:50,510 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:50,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:50 BoogieIcfgContainer [2018-10-27 05:16:50,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:50,511 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:50,511 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:50,523 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:50,523 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:50" (1/1) ... [2018-10-27 05:16:50,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-10-27 05:16:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-27 05:16:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:50,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:50,688 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 05:16:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-27 05:16:50,795 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-27 05:16:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:50,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:50,828 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 05:16:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-27 05:16:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-27 05:16:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:51,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:51,213 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 05:16:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-10-27 05:16:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-10-27 05:16:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:51,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:51,531 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 05:16:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-10-27 05:16:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-10-27 05:16:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:51,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-27 05:16:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-27 05:16:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:51,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-10-27 05:16:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-10-27 05:16:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:52,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:16:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-27 05:16:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-27 05:16:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:52,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-10-27 05:16:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-10-27 05:16:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:16:52,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:16:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2018-10-27 05:16:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2018-10-27 05:16:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:16:53,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-27 05:16:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-27 05:16:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-27 05:16:53,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:16:53,227 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-27 05:16:53,235 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-10-27 05:16:53,292 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 05:16:53,294 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-10-27 05:16:53,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:16:53 ImpRootNode [2018-10-27 05:16:53,301 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:16:53,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:16:53,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:16:53,302 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:16:53,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:50" (3/4) ... [2018-10-27 05:16:53,305 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:16:53,320 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 05:16:53,323 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:16:53,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 05:16:53,367 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_523fee80-b31c-4dd6-be4b-7cb3c7d38a23/bin-2019/ukojak/witness.graphml [2018-10-27 05:16:53,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:16:53,368 INFO L168 Benchmark]: Toolchain (without parser) took 3528.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 958.5 MB in the beginning and 922.6 MB in the end (delta: 35.8 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,372 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:53,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.65 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:53,374 INFO L168 Benchmark]: Boogie Preprocessor took 18.20 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,374 INFO L168 Benchmark]: RCFGBuilder took 426.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,375 INFO L168 Benchmark]: CodeCheck took 2790.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.0 MB in the end (delta: 224.0 MB). Peak memory consumption was 224.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,376 INFO L168 Benchmark]: Witness Printer took 66.21 ms. Allocated memory is still 1.2 GB. Free memory was 926.0 MB in the beginning and 922.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:53,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 4 error locations. SAFE Result, 2.6s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3072 SDtfs, 7680 SDslu, 5248 SDs, 0 SdLazy, 24400 SolverSat, 5528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 822 GetRequests, 716 SyntacticMatches, 48 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 2272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 17/35 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: 23]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (j <= 2147483647 && i <= 2147483647) && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 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 30.65 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.20 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2790.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.0 MB in the end (delta: 224.0 MB). Peak memory consumption was 224.0 MB. Max. memory is 11.5 GB. * Witness Printer took 66.21 ms. Allocated memory is still 1.2 GB. Free memory was 926.0 MB in the beginning and 922.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...