./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_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_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:30:22,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:30:22,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:30:22,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:30:22,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:30:22,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:30:22,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:30:22,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:30:22,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:30:22,996 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:30:22,997 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:30:22,997 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:30:22,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:30:22,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:30:22,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:30:22,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:30:22,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:30:23,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:30:23,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:30:23,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:30:23,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:30:23,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:30:23,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:30:23,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:30:23,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:30:23,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:30:23,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:30:23,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:30:23,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:30:23,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:30:23,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:30:23,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:30:23,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:30:23,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:30:23,007 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:30:23,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:30:23,008 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 16:30:23,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:30:23,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:30:23,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:30:23,016 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 16:30:23,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:30:23,016 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:30:23,016 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:30:23,016 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:30:23,016 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:30:23,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:30:23,017 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:30:23,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:30:23,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:30:23,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:30:23,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:30:23,018 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_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-12-09 16:30:23,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:30:23,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:30:23,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:30:23,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:30:23,047 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:30:23,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-09 16:30:23,081 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/data/7591c0092/0b702ff0a61344e29cd019d8bada38a0/FLAG4238d59ce [2018-12-09 16:30:23,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:30:23,567 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-12-09 16:30:23,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/data/7591c0092/0b702ff0a61344e29cd019d8bada38a0/FLAG4238d59ce [2018-12-09 16:30:24,066 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/data/7591c0092/0b702ff0a61344e29cd019d8bada38a0 [2018-12-09 16:30:24,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:30:24,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:30:24,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:30:24,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:30:24,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:30:24,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fe3112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24, skipping insertion in model container [2018-12-09 16:30:24,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:30:24,104 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:30:24,271 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:30:24,314 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:30:24,371 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:30:24,389 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:30:24,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24 WrapperNode [2018-12-09 16:30:24,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:30:24,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:30:24,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:30:24,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:30:24,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:30:24,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:30:24,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:30:24,434 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:30:24,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:30:24,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:30:24,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:30:24,460 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:30:24,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:30:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:30:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:30:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 16:30:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 16:30:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 16:30:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 16:30:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:30:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 16:30:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 16:30:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:30:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:30:24,869 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:30:24,870 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 16:30:24,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:30:24 BoogieIcfgContainer [2018-12-09 16:30:24,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:30:24,870 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:30:24,870 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:30:24,877 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:30:24,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:30:24" (1/1) ... [2018-12-09 16:30:24,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:30:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2018-12-09 16:30:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2018-12-09 16:30:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 16:30:24,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2018-12-09 16:30:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2018-12-09 16:30:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 16:30:25,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2018-12-09 16:30:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2018-12-09 16:30:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 16:30:25,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2018-12-09 16:30:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2018-12-09 16:30:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 16:30:25,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-12-09 16:30:25,235 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-12-09 16:30:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:30:25,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2018-12-09 16:30:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2018-12-09 16:30:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:30:25,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2018-12-09 16:30:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2018-12-09 16:30:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:30:25,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2018-12-09 16:30:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2018-12-09 16:30:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 16:30:25,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2018-12-09 16:30:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2018-12-09 16:30:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 16:30:25,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2018-12-09 16:30:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2018-12-09 16:30:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 16:30:26,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 205 transitions. [2018-12-09 16:30:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2018-12-09 16:30:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 16:30:26,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2018-12-09 16:30:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-12-09 16:30:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 16:30:26,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 130 states and 212 transitions. [2018-12-09 16:30:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2018-12-09 16:30:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 16:30:26,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 226 transitions. [2018-12-09 16:30:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2018-12-09 16:30:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 16:30:26,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 231 transitions. [2018-12-09 16:30:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2018-12-09 16:30:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 16:30:26,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 239 transitions. [2018-12-09 16:30:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2018-12-09 16:30:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 16:30:26,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:30:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 139 states and 233 transitions. [2018-12-09 16:30:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2018-12-09 16:30:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 16:30:26,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 242 transitions. [2018-12-09 16:30:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2018-12-09 16:30:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 16:30:26,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 250 transitions. [2018-12-09 16:30:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2018-12-09 16:30:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 16:30:27,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 277 transitions. [2018-12-09 16:30:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2018-12-09 16:30:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 16:30:27,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 273 transitions. [2018-12-09 16:30:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 273 transitions. [2018-12-09 16:30:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 16:30:27,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:30:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 157 states and 279 transitions. [2018-12-09 16:30:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2018-12-09 16:30:28,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 16:30:28,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 164 states and 291 transitions. [2018-12-09 16:30:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 291 transitions. [2018-12-09 16:30:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 16:30:28,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:28,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 166 states and 292 transitions. [2018-12-09 16:30:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2018-12-09 16:30:28,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 16:30:28,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 172 states and 306 transitions. [2018-12-09 16:30:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2018-12-09 16:30:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 16:30:28,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 307 transitions. [2018-12-09 16:30:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2018-12-09 16:30:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 16:30:29,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 307 transitions. [2018-12-09 16:30:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2018-12-09 16:30:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 16:30:29,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 175 states and 308 transitions. [2018-12-09 16:30:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2018-12-09 16:30:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 16:30:29,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 176 states and 309 transitions. [2018-12-09 16:30:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2018-12-09 16:30:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 16:30:29,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 357 transitions. [2018-12-09 16:30:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 357 transitions. [2018-12-09 16:30:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 16:30:30,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 194 states and 360 transitions. [2018-12-09 16:30:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 360 transitions. [2018-12-09 16:30:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 16:30:30,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 206 states and 393 transitions. [2018-12-09 16:30:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 393 transitions. [2018-12-09 16:30:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 16:30:31,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 208 states and 397 transitions. [2018-12-09 16:30:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 397 transitions. [2018-12-09 16:30:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 16:30:31,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:30:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 209 states and 397 transitions. [2018-12-09 16:30:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 397 transitions. [2018-12-09 16:30:31,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:30:31,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 210 states and 398 transitions. [2018-12-09 16:30:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2018-12-09 16:30:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 16:30:31,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:30:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 211 states and 399 transitions. [2018-12-09 16:30:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 399 transitions. [2018-12-09 16:30:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:30:31,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 226 states and 428 transitions. [2018-12-09 16:30:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 428 transitions. [2018-12-09 16:30:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 16:30:33,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:30:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 229 states and 434 transitions. [2018-12-09 16:30:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 434 transitions. [2018-12-09 16:30:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 16:30:33,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 230 states and 435 transitions. [2018-12-09 16:30:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 435 transitions. [2018-12-09 16:30:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 16:30:33,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 242 states and 457 transitions. [2018-12-09 16:30:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 457 transitions. [2018-12-09 16:30:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:30:34,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 243 states and 458 transitions. [2018-12-09 16:30:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 458 transitions. [2018-12-09 16:30:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 16:30:34,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:30:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 246 states and 463 transitions. [2018-12-09 16:30:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 463 transitions. [2018-12-09 16:30:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 16:30:34,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:30:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 247 states and 464 transitions. [2018-12-09 16:30:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 464 transitions. [2018-12-09 16:30:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:30:34,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 16:30:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 249 states and 464 transitions. [2018-12-09 16:30:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 464 transitions. [2018-12-09 16:30:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:30:34,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 16:30:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 251 states and 468 transitions. [2018-12-09 16:30:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 468 transitions. [2018-12-09 16:30:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:30:35,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 16:30:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 253 states and 470 transitions. [2018-12-09 16:30:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 470 transitions. [2018-12-09 16:30:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 16:30:35,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 16:30:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 259 states and 484 transitions. [2018-12-09 16:30:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 484 transitions. [2018-12-09 16:30:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:30:36,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 261 states and 486 transitions. [2018-12-09 16:30:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 486 transitions. [2018-12-09 16:30:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 16:30:36,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:30:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 265 states and 494 transitions. [2018-12-09 16:30:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 494 transitions. [2018-12-09 16:30:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:30:36,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 266 states and 495 transitions. [2018-12-09 16:30:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 495 transitions. [2018-12-09 16:30:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:30:36,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 16:30:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 273 states and 507 transitions. [2018-12-09 16:30:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 507 transitions. [2018-12-09 16:30:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 16:30:37,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 274 states and 508 transitions. [2018-12-09 16:30:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 508 transitions. [2018-12-09 16:30:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 16:30:37,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 16:30:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 276 states and 509 transitions. [2018-12-09 16:30:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 509 transitions. [2018-12-09 16:30:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 16:30:37,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:30:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 274 states and 505 transitions. [2018-12-09 16:30:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 505 transitions. [2018-12-09 16:30:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 16:30:37,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:30:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 275 states and 508 transitions. [2018-12-09 16:30:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 508 transitions. [2018-12-09 16:30:37,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 16:30:37,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 16:30:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 276 states and 509 transitions. [2018-12-09 16:30:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 509 transitions. [2018-12-09 16:30:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 16:30:37,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 16:30:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 277 states and 510 transitions. [2018-12-09 16:30:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 510 transitions. [2018-12-09 16:30:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:30:37,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:30:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 279 states and 514 transitions. [2018-12-09 16:30:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 514 transitions. [2018-12-09 16:30:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 16:30:37,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 16:30:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 280 states and 517 transitions. [2018-12-09 16:30:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 517 transitions. [2018-12-09 16:30:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 16:30:38,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 282 states and 519 transitions. [2018-12-09 16:30:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 519 transitions. [2018-12-09 16:30:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 16:30:38,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 16:30:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 285 states and 524 transitions. [2018-12-09 16:30:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 524 transitions. [2018-12-09 16:30:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 16:30:38,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 286 states and 525 transitions. [2018-12-09 16:30:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 525 transitions. [2018-12-09 16:30:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 16:30:38,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 16:30:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 287 states and 526 transitions. [2018-12-09 16:30:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 526 transitions. [2018-12-09 16:30:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 16:30:38,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 296 states and 542 transitions. [2018-12-09 16:30:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 542 transitions. [2018-12-09 16:30:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 16:30:39,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 286 states and 518 transitions. [2018-12-09 16:30:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 518 transitions. [2018-12-09 16:30:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:30:39,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 289 states and 523 transitions. [2018-12-09 16:30:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 523 transitions. [2018-12-09 16:30:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:30:39,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 291 states and 524 transitions. [2018-12-09 16:30:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 524 transitions. [2018-12-09 16:30:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 16:30:39,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 292 states and 525 transitions. [2018-12-09 16:30:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 525 transitions. [2018-12-09 16:30:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 16:30:39,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 16:30:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 293 states and 526 transitions. [2018-12-09 16:30:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 526 transitions. [2018-12-09 16:30:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 16:30:39,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 16:30:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 293 states and 524 transitions. [2018-12-09 16:30:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 524 transitions. [2018-12-09 16:30:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 16:30:39,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 16:30:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 295 states and 527 transitions. [2018-12-09 16:30:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 527 transitions. [2018-12-09 16:30:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 16:30:39,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 16:30:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 296 states and 528 transitions. [2018-12-09 16:30:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 528 transitions. [2018-12-09 16:30:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 16:30:39,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 16:30:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 283 states and 505 transitions. [2018-12-09 16:30:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 505 transitions. [2018-12-09 16:30:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 16:30:39,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 291 states and 517 transitions. [2018-12-09 16:30:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 517 transitions. [2018-12-09 16:30:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 16:30:40,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 16:30:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 287 states and 509 transitions. [2018-12-09 16:30:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 509 transitions. [2018-12-09 16:30:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 16:30:40,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:41,136 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 16:30:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 285 states and 499 transitions. [2018-12-09 16:30:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 499 transitions. [2018-12-09 16:30:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 16:30:41,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:30:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:30:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 16:30:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:30:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 148 states and 204 transitions. [2018-12-09 16:30:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2018-12-09 16:30:42,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:30:42,247 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-09 16:30:42,253 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 16:30:42,536 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,538 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-09 16:30:42,541 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-09 16:30:42,541 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,542 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 16:30:42,543 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,543 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:30:42,543 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 16:30:42,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:30:42 ImpRootNode [2018-12-09 16:30:42,544 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:30:42,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:30:42,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:30:42,544 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:30:42,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:30:24" (3/4) ... [2018-12-09 16:30:42,547 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:30:42,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 16:30:42,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 16:30:42,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 16:30:42,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 16:30:42,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 16:30:42,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 16:30:42,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 16:30:42,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 16:30:42,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 16:30:42,554 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-12-09 16:30:42,554 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 16:30:42,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 16:30:42,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 16:30:42,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:30:42,555 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:30:42,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-09 16:30:42,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-12-09 16:30:42,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || systemActive == 0) || 0 == pumpRunning [2018-12-09 16:30:42,596 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ccd7ee5-4571-4b19-8f19-e4ec858c6aec/bin-2019/ukojak/witness.graphml [2018-12-09 16:30:42,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:30:42,596 INFO L168 Benchmark]: Toolchain (without parser) took 18527.90 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 577.8 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -98.3 MB). Peak memory consumption was 479.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,597 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 16:30:42,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.52 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,597 INFO L168 Benchmark]: Boogie Preprocessor took 25.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:30:42,598 INFO L168 Benchmark]: RCFGBuilder took 409.89 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: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,598 INFO L168 Benchmark]: CodeCheck took 17673.37 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 461.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Peak memory consumption was 429.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,598 INFO L168 Benchmark]: Witness Printer took 52.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:30:42,599 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 10 procedures, 87 locations, 1 error locations. SAFE Result, 17.3s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 574735528 SDtfs, -60662316 SDslu, 1954572488 SDs, 0 SdLazy, 204059684 SolverSat, -758714924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41794 GetRequests, 41044 SyntacticMatches, 358 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81105 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3819 NumberOfCodeBlocks, 3819 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3743 ConstructedInterpolants, 0 QuantifiedInterpolants, 401995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 60 PerfectInterpolantSequences, 1530/1624 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: 585]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || systemActive == 0) || 0 == pumpRunning - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 320.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.52 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 409.89 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: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * CodeCheck took 17673.37 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 461.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Peak memory consumption was 429.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.07 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...