./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/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 500cb8735f650eb0e7c33062ddc23c2166b17f19 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:39:50,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:39:50,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:39:50,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:39:50,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:39:50,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:39:50,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:39:50,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:39:50,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:39:50,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:39:50,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:39:50,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:39:50,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:39:50,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:39:50,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:39:50,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:39:50,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:39:50,333 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:39:50,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:39:50,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:39:50,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:39:50,339 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:39:50,341 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:39:50,341 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:39:50,341 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:39:50,342 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:39:50,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:39:50,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:39:50,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:39:50,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:39:50,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:39:50,347 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:39:50,347 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:39:50,347 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:39:50,348 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:39:50,348 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:39:50,348 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 15:39:50,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:39:50,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:39:50,362 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:39:50,363 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:39:50,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:39:50,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:39:50,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:39:50,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:39:50,365 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:39:50,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:39:50,365 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:39:50,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:39:50,365 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:39:50,365 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:39:50,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:39:50,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:39:50,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:39:50,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:39:50,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:39:50,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:39:50,368 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:39:50,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:39:50,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:39:50,369 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_572a38f7-3a0c-4da5-a35b-243d957262c7/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 -> 500cb8735f650eb0e7c33062ddc23c2166b17f19 [2018-11-18 15:39:50,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:39:50,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:39:50,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:39:50,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:39:50,418 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:39:50,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c [2018-11-18 15:39:50,481 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/data/3b6ea1a9f/000442dea310406783a15f7cd2721c98/FLAGe9dc89c0b [2018-11-18 15:39:50,858 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:39:50,858 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c [2018-11-18 15:39:50,863 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/data/3b6ea1a9f/000442dea310406783a15f7cd2721c98/FLAGe9dc89c0b [2018-11-18 15:39:50,875 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/data/3b6ea1a9f/000442dea310406783a15f7cd2721c98 [2018-11-18 15:39:50,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:39:50,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:39:50,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:50,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:39:50,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:39:50,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:50" (1/1) ... [2018-11-18 15:39:50,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e020c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:50, skipping insertion in model container [2018-11-18 15:39:50,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:39:50" (1/1) ... [2018-11-18 15:39:50,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:39:50,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:39:51,078 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:51,082 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:39:51,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:39:51,112 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:39:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51 WrapperNode [2018-11-18 15:39:51,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:39:51,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:51,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:39:51,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:39:51,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:39:51,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:39:51,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:39:51,145 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:39:51,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:39:51,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:39:51,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:39:51,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:39:51,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:39:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/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 [2018-11-18 15:39:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:39:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:39:51,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:39:51,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:51 BoogieIcfgContainer [2018-11-18 15:39:51,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:39:51,405 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:39:51,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:39:51,415 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:39:51,416 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:51" (1/1) ... [2018-11-18 15:39:51,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:39:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 15:39:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 15:39:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:39:51,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-11-18 15:39:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-11-18 15:39:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:39:51,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-11-18 15:39:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-11-18 15:39:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:39:51,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:39:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-11-18 15:39:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-11-18 15:39:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:39:52,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2018-11-18 15:39:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2018-11-18 15:39:52,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:39:52,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2018-11-18 15:39:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2018-11-18 15:39:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:39:53,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-11-18 15:39:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-11-18 15:39:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:39:53,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:39:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2018-11-18 15:39:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2018-11-18 15:39:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:39:53,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:39:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2018-11-18 15:39:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2018-11-18 15:39:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:39:53,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 110 transitions. [2018-11-18 15:39:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2018-11-18 15:39:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:39:54,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:55,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 111 transitions. [2018-11-18 15:39:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 111 transitions. [2018-11-18 15:39:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:39:55,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:39:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2018-11-18 15:39:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2018-11-18 15:39:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:39:55,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:39:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2018-11-18 15:39:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2018-11-18 15:39:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:39:55,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:39:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 110 transitions. [2018-11-18 15:39:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 110 transitions. [2018-11-18 15:39:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:39:56,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:39:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 112 transitions. [2018-11-18 15:39:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2018-11-18 15:39:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:39:56,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:39:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2018-11-18 15:39:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2018-11-18 15:39:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:58,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:39:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2018-11-18 15:39:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2018-11-18 15:39:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:58,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 15:39:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-11-18 15:39:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-11-18 15:39:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:58,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:39:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2018-11-18 15:39:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2018-11-18 15:39:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:59,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:39:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2018-11-18 15:39:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2018-11-18 15:39:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:59,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:39:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:39:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2018-11-18 15:39:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2018-11-18 15:39:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:39:59,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:39:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:39:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:40:00,009 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-11-18 15:40:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2018-11-18 15:40:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2018-11-18 15:40:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 15:40:00,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:40:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 15:40:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 99 states and 152 transitions. [2018-11-18 15:40:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2018-11-18 15:40:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:40:00,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:40:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 15:40:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 98 states and 150 transitions. [2018-11-18 15:40:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2018-11-18 15:40:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:40:00,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:40:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 15:40:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2018-11-18 15:40:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2018-11-18 15:40:00,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:40:00,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:40:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 15:40:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-18 15:40:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-18 15:40:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 15:40:01,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:40:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:40:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 15:40:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:40:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-11-18 15:40:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-11-18 15:40:01,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:40:01,858 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-18 15:40:01,864 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 15:40:01,979 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-11-18 15:40:02,226 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-11-18 15:40:02,295 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:40:02,297 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 15:40:02,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:40:02 ImpRootNode [2018-11-18 15:40:02,304 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:40:02,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:40:02,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:40:02,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:40:02,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:39:51" (3/4) ... [2018-11-18 15:40:02,307 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:40:02,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 15:40:02,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:40:02,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:40:02,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_572a38f7-3a0c-4da5-a35b-243d957262c7/bin-2019/ukojak/witness.graphml [2018-11-18 15:40:02,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:40:02,345 INFO L168 Benchmark]: Toolchain (without parser) took 11466.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.2 MB). Free memory was 959.6 MB in the beginning and 1.2 GB in the end (delta: -253.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:40:02,345 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:40:02,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.08 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:02,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.68 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:02,346 INFO L168 Benchmark]: Boogie Preprocessor took 16.17 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:40:02,346 INFO L168 Benchmark]: RCFGBuilder took 244.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:02,347 INFO L168 Benchmark]: CodeCheck took 10899.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.7 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:02,347 INFO L168 Benchmark]: Witness Printer took 39.96 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:40:02,349 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 4 error locations. SAFE Result, 10.4s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 503316480 SDtfs, 699460360 SDslu, 924910872 SDs, 0 SdLazy, 1487746418 SolverSat, 382622762 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4453 GetRequests, 3901 SyntacticMatches, 302 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30422 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 31088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 12 PerfectInterpolantSequences, 478/644 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((m < j + 1 && n <= 2147483647) && m <= 2147483647) && 1 <= m) && 0 < i) && i <= 2147483646) || (((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < j) && 1 <= m) && 0 <= i)) || (((((n <= 2147483647 && m <= 2147483647) && 0 < j) && j + 1 <= m) && 0 < i) && i <= 2147483646)) || (((((n <= 2147483647 && m <= 2147483647) && j + 1 <= m) && j <= 0) && 0 <= j) && 0 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.08 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 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 30.68 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.17 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 244.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10899.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.7 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.96 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...