./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/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 889a23428ce9b0e3800ffce916f37e53fe302b49 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 00:29:49,381 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:29:49,382 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:29:49,390 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:29:49,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:29:49,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:29:49,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:29:49,393 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:29:49,394 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:29:49,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:29:49,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:29:49,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:29:49,396 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:29:49,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:29:49,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:29:49,398 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:29:49,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:29:49,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:29:49,401 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:29:49,402 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:29:49,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:29:49,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:29:49,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:29:49,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:29:49,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:29:49,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:29:49,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:29:49,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:29:49,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:29:49,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:29:49,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:29:49,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:29:49,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:29:49,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:29:49,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:29:49,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:29:49,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-10 00:29:49,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:29:49,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:29:49,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 00:29:49,423 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 00:29:49,423 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:29:49,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:29:49,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:29:49,425 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 00:29:49,425 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 00:29:49,426 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 00:29:49,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:29:49,426 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 00:29:49,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:29:49,426 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:29:49,426 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 00:29:49,426 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 00:29:49,427 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 00:29:49,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 00:29:49,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 00:29:49,427 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_357f7d04-f12b-461e-9665-51545b0e2093/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 -> 889a23428ce9b0e3800ffce916f37e53fe302b49 [2018-11-10 00:29:49,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:29:49,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:29:49,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:29:49,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:29:49,466 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:29:49,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 00:29:49,512 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/data/1e632a581/19d32488cf0149e296da710f476c9536/FLAGe5dd341c6 [2018-11-10 00:29:49,906 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:29:49,907 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i [2018-11-10 00:29:49,911 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/data/1e632a581/19d32488cf0149e296da710f476c9536/FLAGe5dd341c6 [2018-11-10 00:29:49,920 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/data/1e632a581/19d32488cf0149e296da710f476c9536 [2018-11-10 00:29:49,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:29:49,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:29:49,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:29:49,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:29:49,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:29:49,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:29:49" (1/1) ... [2018-11-10 00:29:49,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:49, skipping insertion in model container [2018-11-10 00:29:49,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:29:49" (1/1) ... [2018-11-10 00:29:49,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:29:49,955 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:29:50,101 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:29:50,105 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:29:50,128 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:29:50,138 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:29:50,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50 WrapperNode [2018-11-10 00:29:50,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:29:50,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:29:50,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:29:50,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:29:50,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:29:50,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:29:50,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:29:50,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:29:50,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:29:50,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:29:50,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:29:50,223 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:29:50,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 00:29:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:29:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:29:50,664 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:29:50,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:50 BoogieIcfgContainer [2018-11-10 00:29:50,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:29:50,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 00:29:50,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 00:29:50,671 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 00:29:50,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:50" (1/1) ... [2018-11-10 00:29:50,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:29:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 97 states and 116 transitions. [2018-11-10 00:29:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2018-11-10 00:29:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 00:29:50,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2018-11-10 00:29:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2018-11-10 00:29:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 00:29:50,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2018-11-10 00:29:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2018-11-10 00:29:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 00:29:50,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2018-11-10 00:29:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2018-11-10 00:29:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 00:29:50,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2018-11-10 00:29:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2018-11-10 00:29:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 00:29:50,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2018-11-10 00:29:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2018-11-10 00:29:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 00:29:50,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 91 states and 110 transitions. [2018-11-10 00:29:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2018-11-10 00:29:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 00:29:50,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 90 states and 109 transitions. [2018-11-10 00:29:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2018-11-10 00:29:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 00:29:50,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-11-10 00:29:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-11-10 00:29:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 00:29:50,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-11-10 00:29:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-11-10 00:29:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 00:29:50,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-11-10 00:29:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-11-10 00:29:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 00:29:50,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-11-10 00:29:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-11-10 00:29:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 00:29:50,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-11-10 00:29:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-11-10 00:29:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 00:29:50,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-11-10 00:29:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-11-10 00:29:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:50,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-11-10 00:29:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-11-10 00:29:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:50,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-11-10 00:29:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-11-10 00:29:50,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:50,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-11-10 00:29:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-11-10 00:29:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:51,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-11-10 00:29:51,026 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-11-10 00:29:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:51,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-11-10 00:29:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-11-10 00:29:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:51,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-11-10 00:29:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-11-10 00:29:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 00:29:51,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-11-10 00:29:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-11-10 00:29:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-11-10 00:29:51,074 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-11-10 00:29:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-11-10 00:29:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-11-10 00:29:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-11-10 00:29:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-11-10 00:29:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-11-10 00:29:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-10 00:29:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-11-10 00:29:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-11-10 00:29:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-11-10 00:29:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-11-10 00:29:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 00:29:51,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-11-10 00:29:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-11-10 00:29:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:29:51,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-11-10 00:29:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-11-10 00:29:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:29:51,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-11-10 00:29:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-11-10 00:29:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:29:51,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-11-10 00:29:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-11-10 00:29:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:29:51,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-11-10 00:29:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-11-10 00:29:51,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 00:29:51,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-11-10 00:29:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-11-10 00:29:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 00:29:51,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-11-10 00:29:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-11-10 00:29:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 00:29:51,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-11-10 00:29:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-11-10 00:29:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 00:29:51,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-11-10 00:29:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-11-10 00:29:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 00:29:51,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 00:29:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:29:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 00:29:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 00:29:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-11-10 00:29:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-11-10 00:29:51,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 00:29:51,231 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-10 00:29:51,239 INFO L778 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-11-10 00:29:51,287 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:29:51,292 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 00:29:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:29:51 ImpRootNode [2018-11-10 00:29:51,293 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 00:29:51,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:29:51,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:29:51,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:29:51,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:50" (3/4) ... [2018-11-10 00:29:51,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 00:29:51,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 00:29:51,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 00:29:51,306 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 00:29:51,360 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_357f7d04-f12b-461e-9665-51545b0e2093/bin-2019/ukojak/witness.graphml [2018-11-10 00:29:51,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:29:51,361 INFO L168 Benchmark]: Toolchain (without parser) took 1437.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 960.2 MB in the beginning and 958.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 119.1 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,362 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:29:51,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.41 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,362 INFO L168 Benchmark]: Boogie Preprocessor took 54.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,363 INFO L168 Benchmark]: RCFGBuilder took 441.47 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,363 INFO L168 Benchmark]: CodeCheck took 628.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,363 INFO L168 Benchmark]: Witness Printer took 66.57 ms. Allocated memory is still 1.1 GB. Free memory was 965.5 MB in the beginning and 958.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-10 00:29:51,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 112 locations, 36 error locations. SAFE Result, 0.5s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1260182240 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2651 GetRequests, 2651 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 3554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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: 97]: 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: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: 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: 85]: 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: 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: 74]: 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: 41]: 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: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: 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: 68]: 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: 45]: 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: 74]: 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: 43]: 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: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.41 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.47 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * CodeCheck took 628.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * Witness Printer took 66.57 ms. Allocated memory is still 1.1 GB. Free memory was 965.5 MB in the beginning and 958.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...