./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65401fe061f89bb729dffabf74050dfab9fe7d77 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:10:57,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:10:57,490 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:10:57,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:10:57,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:10:57,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:10:57,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:10:57,501 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:10:57,502 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:10:57,503 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:10:57,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:10:57,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:10:57,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:10:57,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:10:57,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:10:57,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:10:57,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:10:57,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:10:57,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:10:57,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:10:57,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:10:57,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:10:57,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:10:57,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:10:57,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:10:57,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:10:57,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:10:57,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:10:57,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:10:57,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:10:57,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:10:57,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:10:57,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:10:57,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:10:57,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:10:57,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:10:57,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 16:10:57,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:10:57,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:10:57,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:10:57,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:10:57,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:10:57,530 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:10:57,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:10:57,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:10:57,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_6657f0bb-6787-4aed-bf08-e2348e00e353/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 65401fe061f89bb729dffabf74050dfab9fe7d77 [2018-12-08 16:10:57,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:10:57,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:10:57,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:10:57,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:10:57,560 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:10:57,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:10:57,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/data/91a91c194/5d47fe21b298457987545d3574b43ceb/FLAGbaebd596d [2018-12-08 16:10:57,910 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:10:57,911 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 16:10:57,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/data/91a91c194/5d47fe21b298457987545d3574b43ceb/FLAGbaebd596d [2018-12-08 16:10:58,331 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/data/91a91c194/5d47fe21b298457987545d3574b43ceb [2018-12-08 16:10:58,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:10:58,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:10:58,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:10:58,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:10:58,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:10:58,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3f717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58, skipping insertion in model container [2018-12-08 16:10:58,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:10:58,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:10:58,528 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:10:58,534 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:10:58,594 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:10:58,618 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:10:58,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58 WrapperNode [2018-12-08 16:10:58,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:10:58,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:10:58,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:10:58,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:10:58,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:10:58,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:10:58,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:10:58,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:10:58,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:10:58,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:10:58,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:10:58,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:10:58,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:10:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/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 [2018-12-08 16:10:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:10:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 16:10:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:10:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:10:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:10:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:10:58,890 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:10:58,891 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 16:10:58,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:10:58 BoogieIcfgContainer [2018-12-08 16:10:58,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:10:58,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:10:58,891 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:10:58,899 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:10:58,899 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:10:58" (1/1) ... [2018-12-08 16:10:58,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:10:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-12-08 16:10:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-12-08 16:10:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 16:10:58,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:10:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2018-12-08 16:10:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-12-08 16:10:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:10:59,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:10:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2018-12-08 16:10:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2018-12-08 16:10:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 16:10:59,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:10:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-12-08 16:10:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-12-08 16:10:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:10:59,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:10:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-12-08 16:10:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-12-08 16:10:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:10:59,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:10:59,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:10:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-12-08 16:10:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-12-08 16:10:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 16:10:59,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:10:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:10:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-12-08 16:11:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-12-08 16:11:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:11:00,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2018-12-08 16:11:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2018-12-08 16:11:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 16:11:00,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-08 16:11:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-08 16:11:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:11:00,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-12-08 16:11:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-12-08 16:11:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 16:11:00,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-12-08 16:11:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-12-08 16:11:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:11:00,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2018-12-08 16:11:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2018-12-08 16:11:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:11:00,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-12-08 16:11:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-12-08 16:11:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:11:00,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-08 16:11:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-08 16:11:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 16:11:01,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-12-08 16:11:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-12-08 16:11:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:11:01,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:11:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2018-12-08 16:11:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2018-12-08 16:11:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:11:02,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2018-12-08 16:11:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2018-12-08 16:11:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:11:02,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:11:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2018-12-08 16:11:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-12-08 16:11:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 16:11:04,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-12-08 16:11:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-12-08 16:11:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 16:11:04,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-12-08 16:11:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-12-08 16:11:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:11:05,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2018-12-08 16:11:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2018-12-08 16:11:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:11:05,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:11:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2018-12-08 16:11:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2018-12-08 16:11:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 16:11:05,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:11:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2018-12-08 16:11:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2018-12-08 16:11:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:11:06,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 64 states and 114 transitions. [2018-12-08 16:11:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2018-12-08 16:11:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:11:08,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2018-12-08 16:11:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2018-12-08 16:11:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:11:08,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2018-12-08 16:11:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2018-12-08 16:11:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 16:11:08,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2018-12-08 16:11:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-12-08 16:11:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:11:09,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:11:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 75 states and 134 transitions. [2018-12-08 16:11:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2018-12-08 16:11:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:11:11,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 71 states and 125 transitions. [2018-12-08 16:11:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2018-12-08 16:11:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:11:12,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:11:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-12-08 16:11:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-12-08 16:11:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:11:13,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:11:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2018-12-08 16:11:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2018-12-08 16:11:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:11:13,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:11:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2018-12-08 16:11:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2018-12-08 16:11:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:11:14,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 16:11:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2018-12-08 16:11:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2018-12-08 16:11:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:11:14,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:11:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2018-12-08 16:11:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2018-12-08 16:11:21,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 16:11:21,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:11:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 90 states and 165 transitions. [2018-12-08 16:11:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 165 transitions. [2018-12-08 16:11:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:11:23,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:11:24,462 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-08 16:11:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 96 states and 179 transitions. [2018-12-08 16:11:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 179 transitions. [2018-12-08 16:11:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:11:25,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 16:11:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2018-12-08 16:11:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2018-12-08 16:11:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:11:25,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:11:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 103 states and 187 transitions. [2018-12-08 16:11:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 187 transitions. [2018-12-08 16:11:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:11:26,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:11:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 107 states and 190 transitions. [2018-12-08 16:11:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 190 transitions. [2018-12-08 16:11:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:11:26,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 221 transitions. [2018-12-08 16:11:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2018-12-08 16:11:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 16:11:30,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:30,989 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 224 transitions. [2018-12-08 16:11:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 224 transitions. [2018-12-08 16:11:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 16:11:31,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:11:31,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 130 states and 227 transitions. [2018-12-08 16:11:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 227 transitions. [2018-12-08 16:11:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:11:31,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:11:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 236 transitions. [2018-12-08 16:11:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2018-12-08 16:11:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:11:33,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:11:34,571 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2018-12-08 16:11:34,843 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-12-08 16:11:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 240 transitions. [2018-12-08 16:11:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2018-12-08 16:11:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 16:11:36,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2018-12-08 16:11:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2018-12-08 16:11:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 16:11:36,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:11:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 145 states and 248 transitions. [2018-12-08 16:11:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2018-12-08 16:11:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:11:37,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 70 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:11:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 157 states and 275 transitions. [2018-12-08 16:11:41,933 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2018-12-08 16:11:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:11:41,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 16:11:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 158 states and 275 transitions. [2018-12-08 16:11:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2018-12-08 16:11:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 16:11:42,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 43 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 160 states and 278 transitions. [2018-12-08 16:11:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2018-12-08 16:11:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:11:43,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 16:11:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 281 transitions. [2018-12-08 16:11:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2018-12-08 16:11:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:11:44,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 72 proven. 37 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 167 states and 291 transitions. [2018-12-08 16:11:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 291 transitions. [2018-12-08 16:11:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:11:47,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 72 proven. 37 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 168 states and 292 transitions. [2018-12-08 16:11:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 292 transitions. [2018-12-08 16:11:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 16:11:47,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 72 proven. 37 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 174 states and 300 transitions. [2018-12-08 16:11:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 300 transitions. [2018-12-08 16:11:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:11:49,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 16:11:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 178 states and 306 transitions. [2018-12-08 16:11:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 306 transitions. [2018-12-08 16:11:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:11:50,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 16:11:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2018-12-08 16:11:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2018-12-08 16:11:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:11:51,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 16:11:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 191 states and 320 transitions. [2018-12-08 16:11:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 320 transitions. [2018-12-08 16:11:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:11:52,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 16:11:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 195 states and 323 transitions. [2018-12-08 16:11:53,205 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 323 transitions. [2018-12-08 16:11:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:11:53,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 16:11:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 199 states and 326 transitions. [2018-12-08 16:11:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 326 transitions. [2018-12-08 16:11:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:11:53,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 216 states and 357 transitions. [2018-12-08 16:11:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 357 transitions. [2018-12-08 16:11:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:11:58,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-12-08 16:11:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-12-08 16:11:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:11:58,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 224 states and 363 transitions. [2018-12-08 16:11:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 363 transitions. [2018-12-08 16:11:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:11:59,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 100 proven. 106 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:11:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:11:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 228 states and 366 transitions. [2018-12-08 16:11:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 366 transitions. [2018-12-08 16:11:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:11:59,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:11:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:11:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-12-08 16:12:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:12:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 96 states and 122 transitions. [2018-12-08 16:12:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2018-12-08 16:12:00,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:12:00,024 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 63 iterations. [2018-12-08 16:12:00,029 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-08 16:12:00,153 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2018-12-08 16:12:00,388 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2018-12-08 16:12:00,560 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-08 16:12:00,743 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2018-12-08 16:12:00,992 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-08 16:12:01,148 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2018-12-08 16:12:01,287 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2018-12-08 16:12:01,468 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 46 [2018-12-08 16:12:01,591 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2018-12-08 16:12:01,645 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 16:12:01,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,652 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,652 INFO L583 CodeCheckObserver]: Invariant with dag size 46 [2018-12-08 16:12:01,654 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,659 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,660 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,661 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-08 16:12:01,662 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,662 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,662 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,662 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,663 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,663 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,663 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,663 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,664 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,664 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,664 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,664 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:12:01 ImpRootNode [2018-12-08 16:12:01,665 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:12:01,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:12:01,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:12:01,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:12:01,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:10:58" (3/4) ... [2018-12-08 16:12:01,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:12:01,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-08 16:12:01,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:12:01,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:12:01,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) || ((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || (((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && n <= pass) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) [2018-12-08 16:12:01,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && 4 <= x + 4 * i) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) || (((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && 4 <= x + 4 * i) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || ((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && x == i) && i + pass + 1 <= n) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || (((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) && pass + 1 <= n) [2018-12-08 16:12:01,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-08 16:12:01,703 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6657f0bb-6787-4aed-bf08-e2348e00e353/bin-2019/ukojak/witness.graphml [2018-12-08 16:12:01,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:12:01,704 INFO L168 Benchmark]: Toolchain (without parser) took 63370.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,705 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 16:12:01,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:12:01,706 INFO L168 Benchmark]: Boogie Preprocessor took 18.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,706 INFO L168 Benchmark]: RCFGBuilder took 224.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,706 INFO L168 Benchmark]: CodeCheck took 62774.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.9 MB). Peak memory consumption was 378.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,707 INFO L168 Benchmark]: Witness Printer took 38.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:12:01,709 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, 34 locations, 13 error locations. SAFE Result, 61.1s OverallTime, 63 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -471009078 SDslu, 417548604 SDs, 0 SdLazy, -133281802 SolverSat, -1091088064 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14929 GetRequests, 13661 SyntacticMatches, 748 SemanticMatches, 520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161128 ImplicationChecksByTransitivity, 57.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1593 NumberOfCodeBlocks, 1593 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 438213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 24 PerfectInterpolantSequences, 2941/3776 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: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 549]: Loop Invariant [2018-12-08 16:12:01,710 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,710 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 544]: Loop Invariant [2018-12-08 16:12:01,711 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,711 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,711 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,712 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,713 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,715 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,715 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,715 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && 4 <= x + 4 * i) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) || (((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && 4 <= x + 4 * i) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || ((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && x == i) && i + pass + 1 <= n) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || (((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) && pass + 1 <= n) - InvariantResult [Line: 543]: Loop Invariant [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,716 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 16:12:01,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 16:12:01,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && pass == 1) && 4 * n <= unknown-#length-unknown[x]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) || ((((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))])) || (((\valid[x] == 1 && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && n <= pass) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))] == \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]) * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 224.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 62774.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 93.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.9 MB). Peak memory consumption was 378.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...