./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/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 f73634e342cf3e7f84044af175d79019321da0bc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:42:07,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:42:07,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:42:07,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:42:07,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:42:07,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:42:07,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:42:07,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:42:07,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:42:07,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:42:07,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:42:07,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:42:07,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:42:07,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:42:07,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:42:07,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:42:07,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:42:07,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:42:07,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:42:07,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:42:07,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:42:07,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:42:07,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:42:07,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:42:07,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:42:07,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:42:07,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:42:07,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:42:07,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:42:07,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:42:07,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:42:07,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:42:07,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:42:07,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:42:07,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:42:07,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:42:07,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:42:07,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:42:07,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:42:07,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:42:07,891 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:42:07,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:42:07,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:42:07,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:42:07,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:42:07,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:42:07,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:42:07,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:42:07,894 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:42:07,894 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:42:07,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:42:07,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:42:07,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:42:07,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:42:07,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:42:07,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:42:07,895 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:42:07,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:42:07,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:42:07,895 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_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2018-11-10 07:42:07,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:42:07,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:42:07,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:42:07,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:42:07,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:42:07,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-10 07:42:07,968 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/data/7b6491a89/e1ff64a99b3d4ee19b6d6b229da85721/FLAG5920bd750 [2018-11-10 07:42:08,290 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:42:08,291 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-10 07:42:08,297 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/data/7b6491a89/e1ff64a99b3d4ee19b6d6b229da85721/FLAG5920bd750 [2018-11-10 07:42:08,308 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/data/7b6491a89/e1ff64a99b3d4ee19b6d6b229da85721 [2018-11-10 07:42:08,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:42:08,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:42:08,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:08,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:42:08,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:42:08,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08, skipping insertion in model container [2018-11-10 07:42:08,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:42:08,351 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:42:08,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:08,536 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:42:08,587 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:42:08,607 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:42:08,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08 WrapperNode [2018-11-10 07:42:08,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:42:08,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:08,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:42:08,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:42:08,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:42:08,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:42:08,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:42:08,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:42:08,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... [2018-11-10 07:42:08,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:42:08,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:42:08,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:42:08,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:42:08,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:42:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:42:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:42:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:42:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:42:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:42:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:42:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:42:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:42:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:42:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:42:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:42:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:42:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:42:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:42:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:42:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:42:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:42:08,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:42:09,767 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:42:09,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:09 BoogieIcfgContainer [2018-11-10 07:42:09,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:42:09,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:42:09,768 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:42:09,775 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:42:09,775 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:09" (1/1) ... [2018-11-10 07:42:09,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:42:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-10 07:42:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-10 07:42:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 07:42:09,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:09,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2018-11-10 07:42:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-11-10 07:42:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:42:09,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2018-11-10 07:42:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2018-11-10 07:42:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:42:10,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2018-11-10 07:42:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2018-11-10 07:42:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 07:42:10,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2018-11-10 07:42:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2018-11-10 07:42:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 07:42:10,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2018-11-10 07:42:10,400 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2018-11-10 07:42:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:42:10,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 129 transitions. [2018-11-10 07:42:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2018-11-10 07:42:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:42:10,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 90 states and 130 transitions. [2018-11-10 07:42:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2018-11-10 07:42:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:42:10,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2018-11-10 07:42:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2018-11-10 07:42:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 07:42:11,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2018-11-10 07:42:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-11-10 07:42:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 07:42:12,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:42:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 196 transitions. [2018-11-10 07:42:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 196 transitions. [2018-11-10 07:42:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:42:12,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2018-11-10 07:42:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2018-11-10 07:42:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:42:12,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 124 states and 200 transitions. [2018-11-10 07:42:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2018-11-10 07:42:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:42:12,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2018-11-10 07:42:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-10 07:42:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 07:42:12,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 227 transitions. [2018-11-10 07:42:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2018-11-10 07:42:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:42:12,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 134 states and 223 transitions. [2018-11-10 07:42:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 223 transitions. [2018-11-10 07:42:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:42:12,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 07:42:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 234 transitions. [2018-11-10 07:42:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2018-11-10 07:42:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:42:13,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 270 transitions. [2018-11-10 07:42:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 270 transitions. [2018-11-10 07:42:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:42:14,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 156 states and 274 transitions. [2018-11-10 07:42:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2018-11-10 07:42:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:42:14,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 157 states and 275 transitions. [2018-11-10 07:42:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2018-11-10 07:42:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:42:14,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:42:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 158 states and 276 transitions. [2018-11-10 07:42:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 276 transitions. [2018-11-10 07:42:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:42:14,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 07:42:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 168 states and 292 transitions. [2018-11-10 07:42:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 292 transitions. [2018-11-10 07:42:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:42:14,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 170 states and 299 transitions. [2018-11-10 07:42:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 299 transitions. [2018-11-10 07:42:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:42:14,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 07:42:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 171 states and 300 transitions. [2018-11-10 07:42:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2018-11-10 07:42:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:42:14,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 182 states and 323 transitions. [2018-11-10 07:42:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 323 transitions. [2018-11-10 07:42:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:42:15,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:15,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 190 states and 353 transitions. [2018-11-10 07:42:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 353 transitions. [2018-11-10 07:42:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 07:42:15,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 201 states and 383 transitions. [2018-11-10 07:42:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 383 transitions. [2018-11-10 07:42:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 07:42:17,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 202 states and 384 transitions. [2018-11-10 07:42:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 384 transitions. [2018-11-10 07:42:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 07:42:17,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:17,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 203 states and 385 transitions. [2018-11-10 07:42:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 385 transitions. [2018-11-10 07:42:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:42:17,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 206 states and 390 transitions. [2018-11-10 07:42:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 390 transitions. [2018-11-10 07:42:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:42:17,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 209 states and 392 transitions. [2018-11-10 07:42:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-11-10 07:42:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 07:42:17,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 218 states and 414 transitions. [2018-11-10 07:42:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 414 transitions. [2018-11-10 07:42:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 07:42:18,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 228 states and 440 transitions. [2018-11-10 07:42:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 440 transitions. [2018-11-10 07:42:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 07:42:19,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 07:42:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 229 states and 441 transitions. [2018-11-10 07:42:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 441 transitions. [2018-11-10 07:42:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 07:42:19,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 230 states and 442 transitions. [2018-11-10 07:42:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 442 transitions. [2018-11-10 07:42:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 07:42:19,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 235 states and 454 transitions. [2018-11-10 07:42:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 454 transitions. [2018-11-10 07:42:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 07:42:19,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,011 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 244 states and 494 transitions. [2018-11-10 07:42:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 494 transitions. [2018-11-10 07:42:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 07:42:20,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:42:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 245 states and 495 transitions. [2018-11-10 07:42:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 495 transitions. [2018-11-10 07:42:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 07:42:20,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 07:42:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 248 states and 500 transitions. [2018-11-10 07:42:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 500 transitions. [2018-11-10 07:42:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 07:42:20,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 07:42:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 251 states and 505 transitions. [2018-11-10 07:42:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 505 transitions. [2018-11-10 07:42:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 07:42:20,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 07:42:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 252 states and 506 transitions. [2018-11-10 07:42:20,981 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 506 transitions. [2018-11-10 07:42:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 07:42:20,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 07:42:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 256 states and 515 transitions. [2018-11-10 07:42:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 515 transitions. [2018-11-10 07:42:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 07:42:21,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 07:42:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 246 states and 485 transitions. [2018-11-10 07:42:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 485 transitions. [2018-11-10 07:42:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 07:42:21,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 07:42:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 244 states and 481 transitions. [2018-11-10 07:42:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 481 transitions. [2018-11-10 07:42:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 07:42:21,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 07:42:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 245 states and 483 transitions. [2018-11-10 07:42:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 483 transitions. [2018-11-10 07:42:21,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:42:21,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 07:42:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 247 states and 487 transitions. [2018-11-10 07:42:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 487 transitions. [2018-11-10 07:42:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 07:42:22,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:42:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 249 states and 490 transitions. [2018-11-10 07:42:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 490 transitions. [2018-11-10 07:42:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 07:42:22,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:42:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 251 states and 493 transitions. [2018-11-10 07:42:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 493 transitions. [2018-11-10 07:42:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:42:22,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 07:42:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 252 states and 494 transitions. [2018-11-10 07:42:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 494 transitions. [2018-11-10 07:42:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:42:22,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 07:42:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 253 states and 495 transitions. [2018-11-10 07:42:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 495 transitions. [2018-11-10 07:42:22,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 07:42:22,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:42:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 248 states and 483 transitions. [2018-11-10 07:42:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 483 transitions. [2018-11-10 07:42:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 07:42:22,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 07:42:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 243 states and 473 transitions. [2018-11-10 07:42:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 473 transitions. [2018-11-10 07:42:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:42:22,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 07:42:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 246 states and 475 transitions. [2018-11-10 07:42:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 475 transitions. [2018-11-10 07:42:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 07:42:22,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,557 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 07:42:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 249 states and 477 transitions. [2018-11-10 07:42:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 477 transitions. [2018-11-10 07:42:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 07:42:22,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 07:42:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 252 states and 479 transitions. [2018-11-10 07:42:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 479 transitions. [2018-11-10 07:42:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 07:42:22,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 07:42:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 250 states and 471 transitions. [2018-11-10 07:42:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 471 transitions. [2018-11-10 07:42:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 07:42:23,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 07:42:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 248 states and 464 transitions. [2018-11-10 07:42:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 464 transitions. [2018-11-10 07:42:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 07:42:23,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 07:42:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 251 states and 467 transitions. [2018-11-10 07:42:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 467 transitions. [2018-11-10 07:42:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 07:42:23,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:42:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:42:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 07:42:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:42:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 92 states and 120 transitions. [2018-11-10 07:42:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2018-11-10 07:42:24,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:42:24,230 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2018-11-10 07:42:24,237 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:42:24,493 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,495 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 07:42:24,498 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,499 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,500 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 07:42:24,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:42:24,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:42:24 ImpRootNode [2018-11-10 07:42:24,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:42:24,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:42:24,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:42:24,503 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:42:24,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:42:09" (3/4) ... [2018-11-10 07:42:24,507 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:42:24,512 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:42:24,513 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:42:24,518 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 07:42:24,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 07:42:24,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 07:42:24,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || systemActive == 0) || !(0 == pumpRunning) [2018-11-10 07:42:24,575 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9dbcb0e9-b32e-43ba-b114-4fec2bb42b59/bin-2019/ukojak/witness.graphml [2018-11-10 07:42:24,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:42:24,576 INFO L168 Benchmark]: Toolchain (without parser) took 16265.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 959.1 MB in the beginning and 885.2 MB in the end (delta: 74.0 MB). Peak memory consumption was 419.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,576 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:42:24,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,577 INFO L168 Benchmark]: Boogie Preprocessor took 24.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,577 INFO L168 Benchmark]: RCFGBuilder took 1023.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,577 INFO L168 Benchmark]: CodeCheck took 14732.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 895.1 MB in the end (delta: 122.5 MB). Peak memory consumption was 335.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,578 INFO L168 Benchmark]: Witness Printer took 74.11 ms. Allocated memory is still 1.4 GB. Free memory was 895.1 MB in the beginning and 885.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:42:24,579 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 8 procedures, 116 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 59 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1903032832 SDtfs, -1466685916 SDslu, 1533035824 SDs, 0 SdLazy, -708452498 SolverSat, 1377206674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32403 GetRequests, 31895 SyntacticMatches, 192 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48789 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3106 NumberOfCodeBlocks, 3106 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 3048 ConstructedInterpolants, 0 QuantifiedInterpolants, 334680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 42 PerfectInterpolantSequences, 1476/1536 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: 113]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || systemActive == 0) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1023.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.1 MB). Peak memory consumption was 103.1 MB. Max. memory is 11.5 GB. * CodeCheck took 14732.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 895.1 MB in the end (delta: 122.5 MB). Peak memory consumption was 335.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.11 ms. Allocated memory is still 1.4 GB. Free memory was 895.1 MB in the beginning and 885.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...