./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_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/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_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/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 [2018-12-01 13:51:49,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:51:49,774 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:51:49,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:51:49,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:51:49,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:51:49,781 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:51:49,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:51:49,783 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:51:49,784 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:51:49,784 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:51:49,784 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:51:49,785 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:51:49,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:51:49,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:51:49,786 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:51:49,787 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:51:49,788 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:51:49,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:51:49,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:51:49,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:51:49,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:51:49,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:51:49,792 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:51:49,792 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:51:49,793 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:51:49,793 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:51:49,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:51:49,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:51:49,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:51:49,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:51:49,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:51:49,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:51:49,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:51:49,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:51:49,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:51:49,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-12-01 13:51:49,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:51:49,804 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:51:49,805 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:51:49,805 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 13:51:49,805 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:51:49,805 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:51:49,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 13:51:49,806 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:51:49,807 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 13:51:49,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:51:49,807 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:51:49,807 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:51:49,808 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:51:49,808 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 13:51:49,808 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:51:49,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 13:51:49,808 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_0413dced-b9a8-4add-9eb7-34de1344d0eb/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 [2018-12-01 13:51:49,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:51:49,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:51:49,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:51:49,834 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:51:49,834 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:51:49,834 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-12-01 13:51:49,870 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/data/b72e1440f/030acd647c964cc8bf49c00d244fd7e0/FLAG77031cf91 [2018-12-01 13:51:50,309 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:51:50,309 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/sv-benchmarks/c/bitvector/byte_add_1_true-unreach-call_true-no-overflow_true-termination.i [2018-12-01 13:51:50,313 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/data/b72e1440f/030acd647c964cc8bf49c00d244fd7e0/FLAG77031cf91 [2018-12-01 13:51:50,321 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/data/b72e1440f/030acd647c964cc8bf49c00d244fd7e0 [2018-12-01 13:51:50,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:51:50,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:51:50,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:51:50,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:51:50,326 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:51:50,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b4367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50, skipping insertion in model container [2018-12-01 13:51:50,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:51:50,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:51:50,442 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:51:50,444 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:51:50,463 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:51:50,471 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:51:50,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50 WrapperNode [2018-12-01 13:51:50,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:51:50,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:51:50,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:51:50,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:51:50,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:51:50,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:51:50,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:51:50,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:51:50,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:51:50,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:51:50,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:51:50,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:51:50,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:51:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:51:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:51:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:51:50,886 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:51:50,886 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-01 13:51:50,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:51:50 BoogieIcfgContainer [2018-12-01 13:51:50,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:51:50,887 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 13:51:50,887 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 13:51:50,896 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 13:51:50,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:51:50" (1/1) ... [2018-12-01 13:51:50,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:51:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-12-01 13:51:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-12-01 13:51:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 13:51:50,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2018-12-01 13:51:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2018-12-01 13:51:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 13:51:51,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-12-01 13:51:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-12-01 13:51:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 13:51:51,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2018-12-01 13:51:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2018-12-01 13:51:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 13:51:51,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2018-12-01 13:51:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2018-12-01 13:51:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 13:51:51,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2018-12-01 13:51:51,052 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-12-01 13:51:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:51:51,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-12-01 13:51:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-12-01 13:51:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:51:51,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-12-01 13:51:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-12-01 13:51:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:51:51,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-12-01 13:51:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-12-01 13:51:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:51:51,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-12-01 13:51:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-12-01 13:51:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:51:51,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-12-01 13:51:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-01 13:51:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:51:51,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-12-01 13:51:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-12-01 13:51:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:51:51,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-12-01 13:51:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-12-01 13:51:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:51:51,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-12-01 13:51:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-12-01 13:51:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:51:51,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-12-01 13:51:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-01 13:51:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-12-01 13:51:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-12-01 13:51:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-12-01 13:51:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-12-01 13:51:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-12-01 13:51:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-12-01 13:51:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-12-01 13:51:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-12-01 13:51:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-12-01 13:51:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-01 13:51:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:51:51,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-12-01 13:51:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-12-01 13:51:51,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-12-01 13:51:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-12-01 13:51:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-12-01 13:51:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-01 13:51:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-12-01 13:51:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-01 13:51:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-12-01 13:51:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-01 13:51:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-12-01 13:51:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-12-01 13:51:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-12-01 13:51:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-12-01 13:51:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:51:51,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-12-01 13:51:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-12-01 13:51:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:51:51,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-12-01 13:51:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-12-01 13:51:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:51:51,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-12-01 13:51:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-12-01 13:51:51,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:51:51,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-12-01 13:51:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-12-01 13:51:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:51:51,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-12-01 13:51:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-12-01 13:51:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:51:51,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-01 13:51:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-01 13:51:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:51:51,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-12-01 13:51:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-12-01 13:51:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:51:51,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-12-01 13:51:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-12-01 13:51:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:51:51,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2018-12-01 13:51:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-01 13:51:51,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 13:51:51,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-01 13:51:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-01 13:51:51,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 13:51:51,313 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-01 13:51:51,319 INFO L779 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-12-01 13:51:51,366 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 13:51:51,368 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 13:51:51,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:51:51 ImpRootNode [2018-12-01 13:51:51,369 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 13:51:51,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:51:51,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:51:51,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:51:51,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:51:50" (3/4) ... [2018-12-01 13:51:51,373 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 13:51:51,383 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-01 13:51:51,383 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 13:51:51,384 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 13:51:51,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0413dced-b9a8-4add-9eb7-34de1344d0eb/bin-2019/ukojak/witness.graphml [2018-12-01 13:51:51,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:51:51,437 INFO L168 Benchmark]: Toolchain (without parser) took 1113.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 959.8 MB in the beginning and 966.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 116.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,438 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:51:51,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.84 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,439 INFO L168 Benchmark]: Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,439 INFO L168 Benchmark]: RCFGBuilder took 347.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,439 INFO L168 Benchmark]: CodeCheck took 481.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.9 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,440 INFO L168 Benchmark]: Witness Printer took 67.27 ms. Allocated memory is still 1.2 GB. Free memory was 972.9 MB in the beginning and 966.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:51:51,441 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: 43]: 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: 74]: 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: 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: 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: 97]: 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: 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: 66]: 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: 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: 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: 41]: 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: 85]: 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: 74]: 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: 97]: 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: 55]: 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: 73]: 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: 67]: 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: 45]: 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 - 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.84 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. * CodeCheck took 481.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.9 MB in the end (delta: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.27 ms. Allocated memory is still 1.2 GB. Free memory was 972.9 MB in the beginning and 966.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...