./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/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_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/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 0.1.23-635dfa2 [2018-12-09 11:19:01,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:19:01,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:19:01,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:19:01,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:19:01,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:19:01,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:19:01,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:19:01,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:19:01,011 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:19:01,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:19:01,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:19:01,012 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:19:01,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:19:01,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:19:01,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:19:01,014 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:19:01,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:19:01,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:19:01,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:19:01,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:19:01,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:19:01,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:19:01,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:19:01,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:19:01,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:19:01,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:19:01,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:19:01,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:19:01,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:19:01,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:19:01,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:19:01,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:19:01,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:19:01,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:19:01,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:19:01,023 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-12-09 11:19:01,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:19:01,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:19:01,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:19:01,030 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:19:01,031 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:19:01,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:19:01,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:19:01,032 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:19:01,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:19:01,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:19:01,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:19:01,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:19:01,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:19:01,033 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:19:01,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:19:01,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:19:01,033 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_53ee6490-93c0-46cb-82e8-8c242d286f92/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 [2018-12-09 11:19:01,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:19:01,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:19:01,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:19:01,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:19:01,059 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:19:01,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-12-09 11:19:01,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/data/d9db751e0/27c9851650a24901af75675416aeec97/FLAG9744e0c10 [2018-12-09 11:19:01,504 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:19:01,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-12-09 11:19:01,509 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/data/d9db751e0/27c9851650a24901af75675416aeec97/FLAG9744e0c10 [2018-12-09 11:19:01,516 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/data/d9db751e0/27c9851650a24901af75675416aeec97 [2018-12-09 11:19:01,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:19:01,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:19:01,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:19:01,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:19:01,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:19:01,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01, skipping insertion in model container [2018-12-09 11:19:01,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:19:01,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:19:01,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:19:01,643 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:19:01,663 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:19:01,671 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:19:01,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01 WrapperNode [2018-12-09 11:19:01,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:19:01,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:19:01,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:19:01,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:19:01,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:19:01,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:19:01,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:19:01,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:19:01,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... [2018-12-09 11:19:01,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:19:01,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:19:01,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:19:01,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:19:01,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/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 [2018-12-09 11:19:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:19:01,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:19:02,101 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:19:02,101 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 11:19:02,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:02 BoogieIcfgContainer [2018-12-09 11:19:02,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:19:02,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:19:02,102 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:19:02,108 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:19:02,108 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:02" (1/1) ... [2018-12-09 11:19:02,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:19:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-12-09 11:19:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-12-09 11:19:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 11:19:02,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2018-12-09 11:19:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2018-12-09 11:19:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 11:19:02,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-12-09 11:19:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-12-09 11:19:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 11:19:02,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2018-12-09 11:19:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2018-12-09 11:19:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 11:19:02,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2018-12-09 11:19:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2018-12-09 11:19:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 11:19:02,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2018-12-09 11:19:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-12-09 11:19:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 11:19:02,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-12-09 11:19:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-12-09 11:19:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:19:02,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-12-09 11:19:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-12-09 11:19:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:19:02,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-12-09 11:19:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-12-09 11:19:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 11:19:02,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-12-09 11:19:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-12-09 11:19:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:19:02,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-12-09 11:19:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-09 11:19:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:19:02,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-12-09 11:19:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-12-09 11:19:02,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:19:02,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-12-09 11:19:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-12-09 11:19:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:19:02,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-12-09 11:19:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-12-09 11:19:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 11:19:02,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-12-09 11:19:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-09 11:19:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-12-09 11:19:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-12-09 11:19:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-12-09 11:19:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-12-09 11:19:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-12-09 11:19:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-12-09 11:19:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-12-09 11:19:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-12-09 11:19:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-12-09 11:19:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-09 11:19:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 11:19:02,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-12-09 11:19:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-12-09 11:19:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-12-09 11:19:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-12-09 11:19:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-12-09 11:19:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-09 11:19:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-12-09 11:19:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-09 11:19:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-12-09 11:19:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-09 11:19:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-12-09 11:19:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-12-09 11:19:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-12-09 11:19:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-12-09 11:19:02,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 11:19:02,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-12-09 11:19:02,477 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-12-09 11:19:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:19:02,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-12-09 11:19:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-12-09 11:19:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:19:02,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-12-09 11:19:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-12-09 11:19:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:19:02,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-12-09 11:19:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-12-09 11:19:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:19:02,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-12-09 11:19:02,503 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-12-09 11:19:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:19:02,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-09 11:19:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-09 11:19:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:19:02,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-12-09 11:19:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-12-09 11:19:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:19:02,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-12-09 11:19:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-12-09 11:19:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:19:02,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2018-12-09 11:19:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-09 11:19:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 11:19:02,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:19:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:19:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:19:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:19:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-09 11:19:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-09 11:19:02,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:19:02,536 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-09 11:19:02,543 INFO L779 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-12-09 11:19:02,589 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:19:02,591 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:19:02,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:19:02 ImpRootNode [2018-12-09 11:19:02,591 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:19:02,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:19:02,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:19:02,592 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:19:02,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:02" (3/4) ... [2018-12-09 11:19:02,594 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:19:02,601 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-09 11:19:02,601 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 11:19:02,602 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:19:02,639 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53ee6490-93c0-46cb-82e8-8c242d286f92/bin-2019/ukojak/witness.graphml [2018-12-09 11:19:02,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:19:02,640 INFO L168 Benchmark]: Toolchain (without parser) took 1121.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 957.1 MB in the beginning and 939.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,641 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:19:02,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 939.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,641 INFO L168 Benchmark]: Boogie Preprocessor took 19.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,641 INFO L168 Benchmark]: RCFGBuilder took 349.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,642 INFO L168 Benchmark]: CodeCheck took 489.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,642 INFO L168 Benchmark]: Witness Printer took 47.93 ms. Allocated memory is still 1.1 GB. Free memory was 944.5 MB in the beginning and 939.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:19:02,643 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, 109 locations, 36 error locations. SAFE Result, 0.4s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1471473888 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2974 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: 68]: 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: 53]: 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: 85]: 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 - PositiveResult [Line: 51]: 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: 73]: 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: 72]: 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: 94]: 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: 65]: 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: 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: 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: 72]: 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: 74]: 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: 85]: 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: 94]: 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: 74]: 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: 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: 71]: 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 - 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 939.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 349.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * CodeCheck took 489.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 944.5 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.93 ms. Allocated memory is still 1.1 GB. Free memory was 944.5 MB in the beginning and 939.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...