./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/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_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/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 0.1.23-635dfa2 [2018-12-09 15:49:50,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:49:50,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:49:50,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:49:50,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:49:50,344 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:49:50,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:49:50,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:49:50,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:49:50,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:49:50,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:49:50,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:49:50,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:49:50,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:49:50,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:49:50,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:49:50,349 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:49:50,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:49:50,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:49:50,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:49:50,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:49:50,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:49:50,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:49:50,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:49:50,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:49:50,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:49:50,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:49:50,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:49:50,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:49:50,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:49:50,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:49:50,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:49:50,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:49:50,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:49:50,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:49:50,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:49:50,358 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-12-09 15:49:50,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:49:50,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:49:50,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:49:50,366 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:49:50,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:49:50,366 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:49:50,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:49:50,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 15:49:50,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:49:50,368 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:49:50,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:49:50,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:49:50,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:49:50,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:49:50,369 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:49:50,369 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:49:50,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:49:50,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:49:50,369 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_3f41ae56-27dc-48c3-b899-4c750b7d3735/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 [2018-12-09 15:49:50,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:49:50,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:49:50,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:49:50,401 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:49:50,401 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:49:50,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i [2018-12-09 15:49:50,447 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/data/8cb17a00b/eb05898c5c784ca2a7b813d65d15bdca/FLAG894a83a69 [2018-12-09 15:49:50,786 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:49:50,786 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/sv-benchmarks/c/bitvector/byte_add_2_true-unreach-call_true-no-overflow_true-termination.i [2018-12-09 15:49:50,790 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/data/8cb17a00b/eb05898c5c784ca2a7b813d65d15bdca/FLAG894a83a69 [2018-12-09 15:49:51,190 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/data/8cb17a00b/eb05898c5c784ca2a7b813d65d15bdca [2018-12-09 15:49:51,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:49:51,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:49:51,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:49:51,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:49:51,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:49:51,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409ee820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51, skipping insertion in model container [2018-12-09 15:49:51,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:49:51,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:49:51,326 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:49:51,328 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:49:51,347 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:49:51,355 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:49:51,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51 WrapperNode [2018-12-09 15:49:51,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:49:51,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:49:51,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:49:51,356 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:49:51,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:49:51,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:49:51,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:49:51,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:49:51,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:49:51,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:49:51,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:49:51,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:49:51,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:49:51,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:49:51,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:49:51,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:49:51,751 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 15:49:51,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:51 BoogieIcfgContainer [2018-12-09 15:49:51,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:49:51,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:49:51,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:49:51,758 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:49:51,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:51" (1/1) ... [2018-12-09 15:49:51,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-12-09 15:49:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-12-09 15:49:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 15:49:51,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2018-12-09 15:49:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2018-12-09 15:49:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 15:49:51,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-12-09 15:49:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-12-09 15:49:51,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 15:49:51,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2018-12-09 15:49:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2018-12-09 15:49:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 15:49:51,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2018-12-09 15:49:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2018-12-09 15:49:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 15:49:51,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2018-12-09 15:49:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-12-09 15:49:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 15:49:51,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2018-12-09 15:49:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2018-12-09 15:49:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 15:49:51,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2018-12-09 15:49:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2018-12-09 15:49:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 15:49:51,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2018-12-09 15:49:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-12-09 15:49:51,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 15:49:51,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-12-09 15:49:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-12-09 15:49:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 15:49:51,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2018-12-09 15:49:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-09 15:49:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 15:49:51,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2018-12-09 15:49:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-12-09 15:49:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 15:49:51,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2018-12-09 15:49:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-12-09 15:49:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 15:49:52,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2018-12-09 15:49:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2018-12-09 15:49:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 15:49:52,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2018-12-09 15:49:52,027 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-09 15:49:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2018-12-09 15:49:52,035 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2018-12-09 15:49:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2018-12-09 15:49:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2018-12-09 15:49:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2018-12-09 15:49:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-12-09 15:49:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-12-09 15:49:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-12-09 15:49:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-12-09 15:49:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-09 15:49:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 15:49:52,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2018-12-09 15:49:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-12-09 15:49:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2018-12-09 15:49:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-12-09 15:49:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2018-12-09 15:49:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-09 15:49:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2018-12-09 15:49:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-09 15:49:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2018-12-09 15:49:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-09 15:49:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2018-12-09 15:49:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-12-09 15:49:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-12-09 15:49:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-12-09 15:49:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 15:49:52,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-12-09 15:49:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-12-09 15:49:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:49:52,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-12-09 15:49:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-12-09 15:49:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:49:52,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2018-12-09 15:49:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2018-12-09 15:49:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:49:52,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-12-09 15:49:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-12-09 15:49:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:49:52,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2018-12-09 15:49:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2018-12-09 15:49:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 15:49:52,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-09 15:49:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-09 15:49:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 15:49:52,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-12-09 15:49:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-12-09 15:49:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 15:49:52,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-12-09 15:49:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-12-09 15:49:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 15:49:52,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2018-12-09 15:49:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-09 15:49:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 15:49:52,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:49:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:49:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-09 15:49:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-09 15:49:52,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:49:52,184 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-09 15:49:52,190 INFO L779 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2018-12-09 15:49:52,233 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:49:52,235 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 15:49:52,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:49:52 ImpRootNode [2018-12-09 15:49:52,236 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 15:49:52,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:49:52,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:49:52,236 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:49:52,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:51" (3/4) ... [2018-12-09 15:49:52,240 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:49:52,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-09 15:49:52,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 15:49:52,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:49:52,297 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f41ae56-27dc-48c3-b899-4c750b7d3735/bin-2019/ukojak/witness.graphml [2018-12-09 15:49:52,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:49:52,298 INFO L168 Benchmark]: Toolchain (without parser) took 1104.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 956.0 MB in the beginning and 964.2 MB in the end (delta: -8.2 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,299 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:49:52,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,300 INFO L168 Benchmark]: Boogie Preprocessor took 19.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,300 INFO L168 Benchmark]: RCFGBuilder took 319.82 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,300 INFO L168 Benchmark]: CodeCheck took 484.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.5 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,300 INFO L168 Benchmark]: Witness Printer took 61.62 ms. Allocated memory is still 1.1 GB. Free memory was 969.5 MB in the beginning and 964.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:52,301 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, 0.1s 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: 66]: 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: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 97]: 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: 68]: 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: 67]: 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: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 94]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 97]: 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: 55]: 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: 72]: 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: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.30 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.82 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * CodeCheck took 484.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.5 MB in the end (delta: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.62 ms. Allocated memory is still 1.1 GB. Free memory was 969.5 MB in the beginning and 964.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...