./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_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_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/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 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:22:07,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:22:07,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:22:07,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:22:07,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:22:07,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:22:07,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:22:07,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:22:07,906 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:22:07,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:22:07,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:22:07,907 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:22:07,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:22:07,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:22:07,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:22:07,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:22:07,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:22:07,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:22:07,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:22:07,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:22:07,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:22:07,916 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:22:07,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:22:07,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:22:07,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:22:07,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:22:07,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:22:07,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:22:07,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:22:07,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:22:07,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:22:07,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:22:07,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:22:07,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:22:07,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:22:07,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:22:07,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 03:22:07,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:22:07,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:22:07,936 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:22:07,936 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:22:07,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:22:07,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:22:07,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:22:07,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:22:07,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:22:07,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:22:07,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:22:07,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:22:07,938 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:22:07,938 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 03:22:07,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:22:07,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:22:07,938 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:22:07,939 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:22:07,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:22:07,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:22:07,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:22:07,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:22:07,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:22:07,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:22:07,940 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:22:07,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:22:07,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:22:07,940 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_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/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 -> 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da [2018-11-10 03:22:07,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:22:07,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:22:07,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:22:07,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:22:07,977 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:22:07,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-11-10 03:22:08,019 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/data/3bb1c5cf1/f38ef15882dd44df9f636e8106b5d3c3/FLAGc618e6f9f [2018-11-10 03:22:08,376 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:22:08,377 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-11-10 03:22:08,381 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/data/3bb1c5cf1/f38ef15882dd44df9f636e8106b5d3c3/FLAGc618e6f9f [2018-11-10 03:22:08,391 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/data/3bb1c5cf1/f38ef15882dd44df9f636e8106b5d3c3 [2018-11-10 03:22:08,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:22:08,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:22:08,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:08,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:22:08,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:22:08,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71606b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08, skipping insertion in model container [2018-11-10 03:22:08,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:22:08,417 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:22:08,513 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:08,515 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:22:08,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:22:08,532 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:22:08,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08 WrapperNode [2018-11-10 03:22:08,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:22:08,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:08,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:22:08,533 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:22:08,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:22:08,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:22:08,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:22:08,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:22:08,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:22:08,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:22:08,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:22:08,564 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:22:08,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:22:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/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 [2018-11-10 03:22:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:22:08,737 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:22:08,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:08 BoogieIcfgContainer [2018-11-10 03:22:08,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:22:08,737 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:22:08,737 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:22:08,744 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:22:08,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:08" (1/1) ... [2018-11-10 03:22:08,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:22:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 03:22:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 03:22:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:22:08,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-10 03:22:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-10 03:22:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:22:08,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-10 03:22:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-10 03:22:09,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 03:22:09,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2018-11-10 03:22:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-10 03:22:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 03:22:09,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-11-10 03:22:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-11-10 03:22:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:22:09,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-11-10 03:22:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-11-10 03:22:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:22:09,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 03:22:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 03:22:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:22:09,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2018-11-10 03:22:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2018-11-10 03:22:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:22:10,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2018-11-10 03:22:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2018-11-10 03:22:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:10,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:22:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-11-10 03:22:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-11-10 03:22:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:10,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2018-11-10 03:22:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2018-11-10 03:22:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:11,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2018-11-10 03:22:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2018-11-10 03:22:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:11,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-11-10 03:22:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-11-10 03:22:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:11,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:22:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2018-11-10 03:22:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2018-11-10 03:22:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:11,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2018-11-10 03:22:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2018-11-10 03:22:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:12,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 108 transitions. [2018-11-10 03:22:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2018-11-10 03:22:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:13,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 03:22:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 71 states and 113 transitions. [2018-11-10 03:22:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 113 transitions. [2018-11-10 03:22:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:13,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 75 states and 117 transitions. [2018-11-10 03:22:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2018-11-10 03:22:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:22:13,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2018-11-10 03:22:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2018-11-10 03:22:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:13,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:22:14,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2018-11-10 03:22:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2018-11-10 03:22:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:14,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:22:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 79 states and 119 transitions. [2018-11-10 03:22:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2018-11-10 03:22:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:14,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2018-11-10 03:22:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2018-11-10 03:22:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:14,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:22:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2018-11-10 03:22:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2018-11-10 03:22:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:15,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:15,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2018-11-10 03:22:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2018-11-10 03:22:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:15,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 93 states and 140 transitions. [2018-11-10 03:22:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2018-11-10 03:22:16,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:16,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 94 states and 141 transitions. [2018-11-10 03:22:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2018-11-10 03:22:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:16,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:22:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2018-11-10 03:22:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2018-11-10 03:22:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:16,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 98 states and 146 transitions. [2018-11-10 03:22:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2018-11-10 03:22:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:16,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:22:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 99 states and 146 transitions. [2018-11-10 03:22:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2018-11-10 03:22:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:17,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:22:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2018-11-10 03:22:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2018-11-10 03:22:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:22:17,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,272 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:22:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 86 states and 125 transitions. [2018-11-10 03:22:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2018-11-10 03:22:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:22:17,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:22:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 87 states and 125 transitions. [2018-11-10 03:22:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2018-11-10 03:22:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:22:17,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:22:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 88 states and 125 transitions. [2018-11-10 03:22:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2018-11-10 03:22:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:22:17,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 03:22:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2018-11-10 03:22:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2018-11-10 03:22:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:22:17,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:22:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:22:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 03:22:18,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:22:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2018-11-10 03:22:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2018-11-10 03:22:18,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:22:18,358 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-10 03:22:18,365 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 03:22:18,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:22:18,486 INFO L582 CodeCheckObserver]: Invariant with dag size 30 [2018-11-10 03:22:18,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:22:18 ImpRootNode [2018-11-10 03:22:18,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:22:18,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:22:18,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:22:18,493 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:22:18,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:22:08" (3/4) ... [2018-11-10 03:22:18,496 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:22:18,507 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 03:22:18,507 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:22:18,507 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 03:22:18,540 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_951cdcb4-1ab6-4eca-b92f-53379e8b23ec/bin-2019/ukojak/witness.graphml [2018-11-10 03:22:18,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:22:18,540 INFO L168 Benchmark]: Toolchain (without parser) took 10146.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.7 MB). Free memory was 954.4 MB in the beginning and 874.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 428.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,542 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:22:18,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.22 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 942.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,543 INFO L168 Benchmark]: Boogie Preprocessor took 10.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,543 INFO L168 Benchmark]: RCFGBuilder took 173.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,544 INFO L168 Benchmark]: CodeCheck took 9755.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.2 GB in the beginning and 874.4 MB in the end (delta: 278.0 MB). Peak memory consumption was 461.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:22:18,544 INFO L168 Benchmark]: Witness Printer took 46.92 ms. Allocated memory is still 1.4 GB. Free memory is still 874.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:22:18,547 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, 9.6s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1344696944 SDslu, 653878272 SDs, 0 SdLazy, 1464539612 SolverSat, 1322032712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5545 GetRequests, 4878 SyntacticMatches, 403 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37452 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 586 NumberOfCodeBlocks, 586 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 42866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 235/550 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((2147483647 < y1 && y1 <= y2 + 2147483646) && y2 <= 2147483647) || (((1 <= y1 && y1 <= 2147483647) && y2 <= 2147483647) && 1 <= y2)) || (((1 <= y1 && y1 <= 2 * y2 + 2147483645) && 0 <= y2) && y2 < 1)) || (((y2 <= 2147483647 && 0 <= y2) && y1 <= y2 + 2147483647) && y2 + 2147483646 < y1)) || ((y1 <= y2 + 2147483646 && 0 <= y2) && 2 * y2 + 2147483645 < y1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.22 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 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 19.48 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 942.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 173.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -212.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 9755.27 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.2 GB in the beginning and 874.4 MB in the end (delta: 278.0 MB). Peak memory consumption was 461.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.92 ms. Allocated memory is still 1.4 GB. Free memory is still 874.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...