./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/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 4c761fb15c9d367876fc9f1553874e9680fa1668 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:44:29,136 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:44:29,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:44:29,143 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:44:29,143 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:44:29,144 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:44:29,145 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:44:29,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:44:29,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:44:29,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:44:29,147 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:44:29,147 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:44:29,148 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:44:29,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:44:29,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:44:29,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:44:29,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:44:29,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:44:29,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:44:29,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:44:29,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:44:29,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:44:29,154 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:44:29,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:44:29,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:44:29,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:44:29,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:44:29,155 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:44:29,156 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:44:29,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:44:29,157 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:44:29,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:44:29,157 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:44:29,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:44:29,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:44:29,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:44:29,158 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 14:44:29,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:44:29,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:44:29,166 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:44:29,166 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:44:29,167 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:44:29,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:44:29,167 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:44:29,168 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:44:29,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:44:29,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:44:29,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:44:29,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:44:29,169 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:44:29,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:44:29,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:44:29,169 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_16058f4f-b5d1-46a9-942f-6d96944803d9/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 -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2018-12-01 14:44:29,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:44:29,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:44:29,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:44:29,199 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:44:29,199 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:44:29,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-12-01 14:44:29,235 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/data/d6a2fef4e/0a7d4a1954774790bb108965201b1398/FLAG1192f24a3 [2018-12-01 14:44:29,649 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:44:29,649 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise_true-termination_true-no-overflow.c [2018-12-01 14:44:29,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/data/d6a2fef4e/0a7d4a1954774790bb108965201b1398/FLAG1192f24a3 [2018-12-01 14:44:29,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/data/d6a2fef4e/0a7d4a1954774790bb108965201b1398 [2018-12-01 14:44:29,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:44:29,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:44:29,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:44:29,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:44:29,667 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:44:29,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29, skipping insertion in model container [2018-12-01 14:44:29,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:44:29,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:44:29,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:44:29,769 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:44:29,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:44:29,785 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:44:29,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29 WrapperNode [2018-12-01 14:44:29,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:44:29,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:44:29,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:44:29,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:44:29,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:44:29,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:44:29,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:44:29,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:44:29,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:29,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:44:29,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:44:29,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:44:29,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:44:29,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:44:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:44:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:44:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:44:29,986 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:44:29,987 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 14:44:29,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:44:29 BoogieIcfgContainer [2018-12-01 14:44:29,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:44:29,987 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:44:29,987 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:44:29,997 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:44:29,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:44:29" (1/1) ... [2018-12-01 14:44:30,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:44:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-12-01 14:44:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-12-01 14:44:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 14:44:30,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-12-01 14:44:30,158 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-01 14:44:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 14:44:30,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-12-01 14:44:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-01 14:44:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 14:44:30,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2018-12-01 14:44:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-01 14:44:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:44:30,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-12-01 14:44:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-12-01 14:44:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 14:44:30,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-12-01 14:44:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-01 14:44:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 14:44:30,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2018-12-01 14:44:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-12-01 14:44:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:44:30,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-12-01 14:44:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-12-01 14:44:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:44:31,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-12-01 14:44:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-12-01 14:44:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:44:31,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2018-12-01 14:44:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2018-12-01 14:44:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:44:32,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2018-12-01 14:44:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2018-12-01 14:44:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:44:32,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2018-12-01 14:44:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2018-12-01 14:44:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:44:32,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2018-12-01 14:44:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2018-12-01 14:44:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:44:32,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2018-12-01 14:44:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2018-12-01 14:44:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:44:33,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2018-12-01 14:44:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2018-12-01 14:44:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 14:44:33,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2018-12-01 14:44:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2018-12-01 14:44:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 14:44:33,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 124 transitions. [2018-12-01 14:44:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2018-12-01 14:44:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 14:44:33,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2018-12-01 14:44:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2018-12-01 14:44:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 14:44:34,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2018-12-01 14:44:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2018-12-01 14:44:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:44:34,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:44:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 126 transitions. [2018-12-01 14:44:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2018-12-01 14:44:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:44:35,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2018-12-01 14:44:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2018-12-01 14:44:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 14:44:35,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:36,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 82 states and 138 transitions. [2018-12-01 14:44:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 138 transitions. [2018-12-01 14:44:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 14:44:36,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 14:44:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2018-12-01 14:44:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2018-12-01 14:44:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 14:44:36,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:44:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 82 states and 136 transitions. [2018-12-01 14:44:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2018-12-01 14:44:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 14:44:36,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:44:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2018-12-01 14:44:36,650 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2018-12-01 14:44:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 14:44:36,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:44:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 151 transitions. [2018-12-01 14:44:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2018-12-01 14:44:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 14:44:37,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:44:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 95 states and 163 transitions. [2018-12-01 14:44:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 163 transitions. [2018-12-01 14:44:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 14:44:38,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 14:44:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 97 states and 169 transitions. [2018-12-01 14:44:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 169 transitions. [2018-12-01 14:44:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 14:44:38,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 14:44:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 98 states and 169 transitions. [2018-12-01 14:44:38,321 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 169 transitions. [2018-12-01 14:44:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 14:44:38,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:44:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 101 states and 169 transitions. [2018-12-01 14:44:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 169 transitions. [2018-12-01 14:44:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 14:44:38,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:44:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2018-12-01 14:44:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2018-12-01 14:44:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 14:44:39,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 14:44:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:39,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2018-12-01 14:44:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2018-12-01 14:44:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 14:44:39,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:44:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:44:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 14:44:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:44:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-01 14:44:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-01 14:44:39,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:44:39,810 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-12-01 14:44:39,818 INFO L779 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-12-01 14:44:39,906 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:44:39,908 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 14:44:39,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:44:39 ImpRootNode [2018-12-01 14:44:39,914 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:44:39,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:44:39,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:44:39,914 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:44:39,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:44:29" (3/4) ... [2018-12-01 14:44:39,917 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:44:39,924 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 14:44:39,924 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:44:39,924 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:44:39,950 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_16058f4f-b5d1-46a9-942f-6d96944803d9/bin-2019/ukojak/witness.graphml [2018-12-01 14:44:39,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:44:39,950 INFO L168 Benchmark]: Toolchain (without parser) took 10287.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.9 MB). Free memory was 954.4 MB in the beginning and 817.5 MB in the end (delta: 136.9 MB). Peak memory consumption was 501.8 MB. Max. memory is 11.5 GB. [2018-12-01 14:44:39,951 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:44:39,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.78 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-12-01 14:44:39,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.42 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:44:39,952 INFO L168 Benchmark]: Boogie Preprocessor took 11.12 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:44:39,952 INFO L168 Benchmark]: RCFGBuilder took 164.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-01 14:44:39,952 INFO L168 Benchmark]: CodeCheck took 9926.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 297.0 MB). Peak memory consumption was 530.8 MB. Max. memory is 11.5 GB. [2018-12-01 14:44:39,952 INFO L168 Benchmark]: Witness Printer took 35.89 ms. Allocated memory is still 1.4 GB. Free memory is still 817.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:44:39,954 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, 25 locations, 8 error locations. SAFE Result, 9.7s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1453326064 SDtfs, 313074952 SDslu, -1416101088 SDs, 0 SdLazy, -1583552632 SolverSat, -1500323384 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4224 GetRequests, 3768 SyntacticMatches, 146 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48008 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 17367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 27 PerfectInterpolantSequences, 109/165 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && y <= 2147483647) && 0 <= x) && 0 <= y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.78 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.42 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.12 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * CodeCheck took 9926.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 297.0 MB). Peak memory consumption was 530.8 MB. Max. memory is 11.5 GB. * Witness Printer took 35.89 ms. Allocated memory is still 1.4 GB. Free memory is still 817.5 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...