./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/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 32bit --witnessprinter.graph.data.programhash 6e973c5cecb5d30af2cf4ea74d1b0b1563334ffe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:40:35,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:40:35,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:40:35,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:40:35,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:40:35,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:40:35,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:40:35,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:40:35,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:40:35,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:40:35,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:40:35,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:40:35,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:40:35,951 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:40:35,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:40:35,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:40:35,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:40:35,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:40:35,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:40:35,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:40:35,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:40:35,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:40:35,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:40:35,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:40:35,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:40:35,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:40:35,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:40:35,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:40:35,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:40:35,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:40:35,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:40:35,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:40:35,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:40:35,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:40:35,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:40:35,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:40:35,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-10 04:40:35,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:40:35,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:40:35,977 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:40:35,977 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:40:35,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:40:35,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:40:35,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:40:35,979 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:40:35,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:40:35,980 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:40:35,980 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:40:35,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:40:35,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:40:35,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:40:35,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:40:35,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:40:35,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:40:35,981 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:40:35,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:40:35,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:40:35,981 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_247b62aa-23a8-4b2e-b055-c6a5361aff0e/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e973c5cecb5d30af2cf4ea74d1b0b1563334ffe [2018-11-10 04:40:36,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:40:36,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:40:36,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:40:36,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:40:36,020 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:40:36,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 04:40:36,064 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/data/237442580/d5b9adeb40e2482c8735a11955447a8c/FLAGa505a9b2c [2018-11-10 04:40:36,375 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:40:36,376 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 04:40:36,381 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/data/237442580/d5b9adeb40e2482c8735a11955447a8c/FLAGa505a9b2c [2018-11-10 04:40:36,393 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/data/237442580/d5b9adeb40e2482c8735a11955447a8c [2018-11-10 04:40:36,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:40:36,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:40:36,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:40:36,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:40:36,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:40:36,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb581ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36, skipping insertion in model container [2018-11-10 04:40:36,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:40:36,433 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:40:36,573 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:40:36,575 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:40:36,595 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:40:36,603 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:40:36,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36 WrapperNode [2018-11-10 04:40:36,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:40:36,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:40:36,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:40:36,604 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:40:36,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:40:36,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:40:36,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:40:36,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:40:36,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... [2018-11-10 04:40:36,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:40:36,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:40:36,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:40:36,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:40:36,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:40:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/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 04:40:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:40:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:40:37,133 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:40:37,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:40:37 BoogieIcfgContainer [2018-11-10 04:40:37,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:40:37,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:40:37,134 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:40:37,141 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:40:37,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:40:37" (1/1) ... [2018-11-10 04:40:37,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:40:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 97 states and 116 transitions. [2018-11-10 04:40:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2018-11-10 04:40:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:40:37,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,265 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 04:40:37,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2018-11-10 04:40:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2018-11-10 04:40:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 04:40:37,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,283 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 04:40:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2018-11-10 04:40:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2018-11-10 04:40:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:40:37,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,302 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 04:40:37,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2018-11-10 04:40:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2018-11-10 04:40:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:40:37,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,319 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 04:40:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2018-11-10 04:40:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2018-11-10 04:40:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:40:37,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,332 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 04:40:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2018-11-10 04:40:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2018-11-10 04:40:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:40:37,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,348 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 04:40:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 91 states and 110 transitions. [2018-11-10 04:40:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2018-11-10 04:40:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:40:37,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,365 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 04:40:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 90 states and 109 transitions. [2018-11-10 04:40:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2018-11-10 04:40:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:40:37,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,380 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 04:40:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-11-10 04:40:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-11-10 04:40:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:40:37,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,396 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 04:40:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-10 04:40:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-10 04:40:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:40:37,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,411 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 04:40:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-11-10 04:40:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-11-10 04:40:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:40:37,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,425 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 04:40:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-11-10 04:40:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-11-10 04:40:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:40:37,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,444 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 04:40:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-11-10 04:40:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-11-10 04:40:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:40:37,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,457 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 04:40:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-11-10 04:40:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-11-10 04:40:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,470 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 04:40:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-11-10 04:40:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-11-10 04:40:37,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,483 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 04:40:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-11-10 04:40:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-11-10 04:40:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,496 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 04:40:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-11-10 04:40:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-11-10 04:40:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,510 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 04:40:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-11-10 04:40:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-11-10 04:40:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,521 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 04:40:37,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-11-10 04:40:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-11-10 04:40:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,533 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 04:40:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-11-10 04:40:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-11-10 04:40:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:40:37,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,544 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 04:40:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-11-10 04:40:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-11-10 04:40:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,554 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 04:40:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-11-10 04:40:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-11-10 04:40:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,564 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 04:40:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-11-10 04:40:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-11-10 04:40:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,578 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 04:40:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-11-10 04:40:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-11-10 04:40:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,589 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 04:40:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-11-10 04:40:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-10 04:40:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,599 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 04:40:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-11-10 04:40:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-11-10 04:40:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,608 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 04:40:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-11-10 04:40:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-11-10 04:40:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:40:37,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,618 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 04:40:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-11-10 04:40:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-11-10 04:40:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:40:37,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,628 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 04:40:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-11-10 04:40:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-11-10 04:40:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:40:37,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,637 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 04:40:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-11-10 04:40:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-11-10 04:40:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:40:37,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,647 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 04:40:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-11-10 04:40:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-11-10 04:40:37,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:40:37,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,657 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 04:40:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-11-10 04:40:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-11-10 04:40:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:40:37,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,666 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 04:40:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-11-10 04:40:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-11-10 04:40:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:40:37,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,676 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 04:40:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-11-10 04:40:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-11-10 04:40:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:40:37,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,684 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 04:40:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-11-10 04:40:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-11-10 04:40:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:40:37,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,694 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 04:40:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-11-10 04:40:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-11-10 04:40:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 04:40:37,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:40:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:40:37,706 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 04:40:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:40:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-11-10 04:40:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-11-10 04:40:37,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:40:37,709 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-10 04:40:37,717 INFO L778 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-11-10 04:40:37,767 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:40:37,770 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:40:37,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:40:37 ImpRootNode [2018-11-10 04:40:37,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:40:37,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:40:37,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:40:37,771 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:40:37,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:40:37" (3/4) ... [2018-11-10 04:40:37,775 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:40:37,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 04:40:37,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 04:40:37,786 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:40:37,839 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_247b62aa-23a8-4b2e-b055-c6a5361aff0e/bin-2019/ukojak/witness.graphml [2018-11-10 04:40:37,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:40:37,840 INFO L168 Benchmark]: Toolchain (without parser) took 1444.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -50.8 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,841 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:40:37,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 944.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,842 INFO L168 Benchmark]: Boogie Preprocessor took 15.11 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,842 INFO L168 Benchmark]: RCFGBuilder took 489.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,843 INFO L168 Benchmark]: CodeCheck took 636.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,843 INFO L168 Benchmark]: Witness Printer took 68.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:40:37,844 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, 112 locations, 36 error locations. SAFE Result, 0.5s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1260182240 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2651 GetRequests, 2651 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 3554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 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: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 944.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.11 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 489.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * CodeCheck took 636.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.2 MB). Peak memory consumption was 93.2 MB. Max. memory is 11.5 GB. * Witness Printer took 68.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...