./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0040f6786a06aedabfd1d9c06a96268fa6592c87 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:41:46,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:41:46,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:41:46,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:41:46,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:41:46,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:41:46,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:41:46,451 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:41:46,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:41:46,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:41:46,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:41:46,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:41:46,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:41:46,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:41:46,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:41:46,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:41:46,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:41:46,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:41:46,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:41:46,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:41:46,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:41:46,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:41:46,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:41:46,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:41:46,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:41:46,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:41:46,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:41:46,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:41:46,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:41:46,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:41:46,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:41:46,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:41:46,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:41:46,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:41:46,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:41:46,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:41:46,463 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 12:41:46,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:41:46,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:41:46,471 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:41:46,471 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 12:41:46,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:41:46,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:41:46,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:41:46,472 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:41:46,473 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 12:41:46,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 12:41:46,473 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:41:46,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:41:46,474 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/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 ! call(__VERIFIER_error())) ) 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-12-02 12:41:46,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:41:46,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:41:46,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:41:46,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:41:46,502 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:41:46,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-02 12:41:46,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/data/cbeac7c2a/2961039b7fbd419486b7628d72a31d1e/FLAG06f224879 [2018-12-02 12:41:46,933 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:41:46,933 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-02 12:41:46,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/data/cbeac7c2a/2961039b7fbd419486b7628d72a31d1e/FLAG06f224879 [2018-12-02 12:41:46,947 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/data/cbeac7c2a/2961039b7fbd419486b7628d72a31d1e [2018-12-02 12:41:46,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:41:46,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:41:46,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:41:46,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:41:46,952 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:41:46,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:41:46" (1/1) ... [2018-12-02 12:41:46,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:46, skipping insertion in model container [2018-12-02 12:41:46,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:41:46" (1/1) ... [2018-12-02 12:41:46,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:41:46,978 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:41:47,129 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:41:47,171 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:41:47,211 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:41:47,224 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:41:47,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47 WrapperNode [2018-12-02 12:41:47,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:41:47,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:41:47,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:41:47,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:41:47,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:41:47,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:41:47,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:41:47,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:41:47,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:41:47,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:41:47,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:41:47,274 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:41:47,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:41:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/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 [2018-12-02 12:41:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:41:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 12:41:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 12:41:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 12:41:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:41:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:41:47,712 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:41:47,712 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 12:41:47,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:41:47 BoogieIcfgContainer [2018-12-02 12:41:47,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:41:47,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 12:41:47,713 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 12:41:47,719 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 12:41:47,719 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:41:47" (1/1) ... [2018-12-02 12:41:47,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:41:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-02 12:41:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-02 12:41:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 12:41:47,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-02 12:41:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-02 12:41:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 12:41:47,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:47,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-02 12:41:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-02 12:41:47,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 12:41:47,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2018-12-02 12:41:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2018-12-02 12:41:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 12:41:47,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2018-12-02 12:41:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2018-12-02 12:41:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 12:41:48,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-02 12:41:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-02 12:41:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 12:41:48,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-02 12:41:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-02 12:41:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 12:41:48,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2018-12-02 12:41:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2018-12-02 12:41:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 12:41:48,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2018-12-02 12:41:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2018-12-02 12:41:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 12:41:48,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2018-12-02 12:41:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2018-12-02 12:41:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 12:41:49,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2018-12-02 12:41:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2018-12-02 12:41:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 12:41:49,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2018-12-02 12:41:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2018-12-02 12:41:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 12:41:49,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 172 transitions. [2018-12-02 12:41:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2018-12-02 12:41:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 12:41:49,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2018-12-02 12:41:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2018-12-02 12:41:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 12:41:49,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 112 states and 198 transitions. [2018-12-02 12:41:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 198 transitions. [2018-12-02 12:41:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 12:41:49,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 204 transitions. [2018-12-02 12:41:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 204 transitions. [2018-12-02 12:41:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 12:41:49,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 205 transitions. [2018-12-02 12:41:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2018-12-02 12:41:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 12:41:49,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 119 states and 212 transitions. [2018-12-02 12:41:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 212 transitions. [2018-12-02 12:41:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 12:41:49,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 212 transitions. [2018-12-02 12:41:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 212 transitions. [2018-12-02 12:41:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 12:41:50,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:50,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 253 transitions. [2018-12-02 12:41:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 253 transitions. [2018-12-02 12:41:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 12:41:50,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 12:41:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 147 states and 281 transitions. [2018-12-02 12:41:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 281 transitions. [2018-12-02 12:41:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 12:41:51,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 12:41:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 286 transitions. [2018-12-02 12:41:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2018-12-02 12:41:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 12:41:51,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 157 states and 321 transitions. [2018-12-02 12:41:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 321 transitions. [2018-12-02 12:41:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 12:41:52,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 328 transitions. [2018-12-02 12:41:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 328 transitions. [2018-12-02 12:41:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 12:41:52,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 12:41:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 160 states and 329 transitions. [2018-12-02 12:41:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 329 transitions. [2018-12-02 12:41:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 12:41:52,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 330 transitions. [2018-12-02 12:41:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 330 transitions. [2018-12-02 12:41:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 12:41:52,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 12:41:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 331 transitions. [2018-12-02 12:41:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 331 transitions. [2018-12-02 12:41:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 12:41:52,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 12:41:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 163 states and 332 transitions. [2018-12-02 12:41:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 332 transitions. [2018-12-02 12:41:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 12:41:52,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 164 states and 333 transitions. [2018-12-02 12:41:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 333 transitions. [2018-12-02 12:41:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 12:41:53,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 167 states and 332 transitions. [2018-12-02 12:41:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 332 transitions. [2018-12-02 12:41:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 12:41:53,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:55,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 358 transitions. [2018-12-02 12:41:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 358 transitions. [2018-12-02 12:41:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 12:41:55,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 177 states and 359 transitions. [2018-12-02 12:41:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 359 transitions. [2018-12-02 12:41:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 12:41:55,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 186 states and 384 transitions. [2018-12-02 12:41:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 384 transitions. [2018-12-02 12:41:56,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 12:41:56,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:56,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 188 states and 390 transitions. [2018-12-02 12:41:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 390 transitions. [2018-12-02 12:41:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 12:41:56,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:56,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 194 states and 399 transitions. [2018-12-02 12:41:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 399 transitions. [2018-12-02 12:41:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 12:41:56,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 194 states and 407 transitions. [2018-12-02 12:41:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 407 transitions. [2018-12-02 12:41:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 12:41:56,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 408 transitions. [2018-12-02 12:41:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 408 transitions. [2018-12-02 12:41:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 12:41:56,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 196 states and 409 transitions. [2018-12-02 12:41:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 409 transitions. [2018-12-02 12:41:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 12:41:57,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 197 states and 410 transitions. [2018-12-02 12:41:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 410 transitions. [2018-12-02 12:41:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 12:41:57,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 12:41:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 198 states and 411 transitions. [2018-12-02 12:41:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 411 transitions. [2018-12-02 12:41:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 12:41:57,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 199 states and 419 transitions. [2018-12-02 12:41:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 419 transitions. [2018-12-02 12:41:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 12:41:59,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:41:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:41:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 204 states and 423 transitions. [2018-12-02 12:41:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 423 transitions. [2018-12-02 12:41:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 12:41:59,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:41:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:41:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 12:42:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 205 states and 424 transitions. [2018-12-02 12:42:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 424 transitions. [2018-12-02 12:42:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 12:42:00,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 12:42:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 210 states and 431 transitions. [2018-12-02 12:42:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2018-12-02 12:42:00,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 12:42:00,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:42:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 198 states and 407 transitions. [2018-12-02 12:42:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 407 transitions. [2018-12-02 12:42:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 12:42:00,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:42:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 202 states and 414 transitions. [2018-12-02 12:42:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2018-12-02 12:42:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 12:42:00,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 12:42:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 205 states and 418 transitions. [2018-12-02 12:42:01,207 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 418 transitions. [2018-12-02 12:42:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 12:42:01,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:42:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 206 states and 418 transitions. [2018-12-02 12:42:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 418 transitions. [2018-12-02 12:42:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 12:42:01,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 12:42:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 204 states and 414 transitions. [2018-12-02 12:42:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 414 transitions. [2018-12-02 12:42:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 12:42:01,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 12:42:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 201 states and 407 transitions. [2018-12-02 12:42:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 407 transitions. [2018-12-02 12:42:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 12:42:01,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:42:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 199 states and 403 transitions. [2018-12-02 12:42:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 403 transitions. [2018-12-02 12:42:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 12:42:01,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:42:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 192 states and 383 transitions. [2018-12-02 12:42:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 383 transitions. [2018-12-02 12:42:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 12:42:01,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 12:42:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 193 states and 384 transitions. [2018-12-02 12:42:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 384 transitions. [2018-12-02 12:42:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 12:42:01,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 12:42:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 196 states and 385 transitions. [2018-12-02 12:42:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 385 transitions. [2018-12-02 12:42:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-02 12:42:02,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 12:42:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 198 states and 386 transitions. [2018-12-02 12:42:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2018-12-02 12:42:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 12:42:02,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 12:42:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 198 states and 381 transitions. [2018-12-02 12:42:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 381 transitions. [2018-12-02 12:42:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 12:42:03,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:42:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:42:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-02 12:42:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:42:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 102 states and 176 transitions. [2018-12-02 12:42:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2018-12-02 12:42:03,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:42:03,749 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-12-02 12:42:03,755 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 12:42:03,974 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,976 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,976 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,976 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,976 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,977 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-02 12:42:03,979 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,979 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,979 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,979 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 12:42:03,980 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,980 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:42:03,980 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 12:42:03,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:42:03 ImpRootNode [2018-12-02 12:42:03,981 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 12:42:03,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:42:03,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:42:03,981 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:42:03,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:41:47" (3/4) ... [2018-12-02 12:42:03,983 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 12:42:03,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 12:42:03,990 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-02 12:42:03,990 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 12:42:03,990 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 12:42:03,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 12:42:03,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 12:42:03,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 12:42:04,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (((\old(waterLevel) <= 0 || !(waterLevel == 0)) && systemActive == 1) && \old(pumpRunning) == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) [2018-12-02 12:42:04,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || ((\old(waterLevel) <= 0 && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-12-02 12:42:04,025 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddaf9924-a838-4646-b3b0-6d7125ed3a54/bin-2019/ukojak/witness.graphml [2018-12-02 12:42:04,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:42:04,026 INFO L168 Benchmark]: Toolchain (without parser) took 17076.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 950.6 MB in the beginning and 952.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 371.1 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,026 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:42:04,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,027 INFO L168 Benchmark]: Boogie Preprocessor took 17.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,027 INFO L168 Benchmark]: RCFGBuilder took 438.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,027 INFO L168 Benchmark]: CodeCheck took 16267.82 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 57.8 MB). Peak memory consumption was 325.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,027 INFO L168 Benchmark]: Witness Printer took 44.35 ms. Allocated memory is still 1.4 GB. Free memory was 963.9 MB in the beginning and 952.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:42:04,028 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 7 procedures, 68 locations, 1 error locations. SAFE Result, 16.0s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -984612216 SDtfs, 789967000 SDslu, 2022658088 SDs, 0 SdLazy, 1774151000 SolverSat, -1230422328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23768 GetRequests, 23095 SyntacticMatches, 315 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64792 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2083 NumberOfCodeBlocks, 2083 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2027 ConstructedInterpolants, 0 QuantifiedInterpolants, 203575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 39 PerfectInterpolantSequences, 771/844 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (((\old(waterLevel) <= 0 || !(waterLevel == 0)) && systemActive == 1) && \old(pumpRunning) == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || ((\old(waterLevel) <= 0 && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 438.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 16267.82 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 267.4 MB). Free memory was 1.0 GB in the beginning and 963.9 MB in the end (delta: 57.8 MB). Peak memory consumption was 325.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.35 ms. Allocated memory is still 1.4 GB. Free memory was 963.9 MB in the beginning and 952.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...