./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/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 2ad80e2d7767134fb761a45d54a404219df99a16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:51:32,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:51:32,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:51:32,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:51:32,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:51:32,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:51:32,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:51:32,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:51:32,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:51:32,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:51:32,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:51:32,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:51:32,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:51:32,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:51:32,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:51:32,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:51:32,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:51:32,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:51:32,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:51:32,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:51:32,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:51:32,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:51:32,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:51:32,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:51:32,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:51:32,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:51:32,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:51:32,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:51:32,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:51:32,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:51:32,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:51:32,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:51:32,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:51:32,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:51:32,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:51:32,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:51:32,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:51:32,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:51:32,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:51:32,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:51:32,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:51:32,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:51:32,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:51:32,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:51:32,153 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:51:32,153 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:51:32,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:51:32,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:51:32,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:51:32,155 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_6ec47368-e290-4351-af51-0109ecd77214/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 -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2018-11-10 03:51:32,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:51:32,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:51:32,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:51:32,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:51:32,188 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:51:32,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-10 03:51:32,229 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/data/3e667744a/572692a4f68b4dc7b13fbecb9dc3b873/FLAG2adcd6d8e [2018-11-10 03:51:32,564 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:51:32,564 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-10 03:51:32,571 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/data/3e667744a/572692a4f68b4dc7b13fbecb9dc3b873/FLAG2adcd6d8e [2018-11-10 03:51:32,580 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/data/3e667744a/572692a4f68b4dc7b13fbecb9dc3b873 [2018-11-10 03:51:32,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:51:32,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:51:32,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:51:32,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:51:32,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:51:32,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32, skipping insertion in model container [2018-11-10 03:51:32,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:51:32,621 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:51:32,794 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:51:32,802 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:51:32,857 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:51:32,876 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:51:32,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32 WrapperNode [2018-11-10 03:51:32,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:51:32,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:51:32,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:51:32,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:51:32,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:51:32,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:51:32,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:51:32,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:51:32,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... [2018-11-10 03:51:32,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:51:32,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:51:32,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:51:32,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:51:32,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:51:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:51:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:51:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:51:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:51:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:51:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:51:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:51:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:51:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:51:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:51:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:51:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:51:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:51:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:51:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:51:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:51:33,966 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:51:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:51:33 BoogieIcfgContainer [2018-11-10 03:51:33,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:51:33,967 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:51:33,967 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:51:33,973 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:51:33,974 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:51:33" (1/1) ... [2018-11-10 03:51:33,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:51:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2018-11-10 03:51:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2018-11-10 03:51:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 03:51:34,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-10 03:51:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-10 03:51:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 03:51:34,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-11-10 03:51:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-11-10 03:51:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:51:34,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-10 03:51:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-10 03:51:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 03:51:34,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-11-10 03:51:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-11-10 03:51:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 03:51:34,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-11-10 03:51:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-11-10 03:51:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 03:51:35,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 157 transitions. [2018-11-10 03:51:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2018-11-10 03:51:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:51:35,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 108 states and 176 transitions. [2018-11-10 03:51:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2018-11-10 03:51:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 03:51:35,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2018-11-10 03:51:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2018-11-10 03:51:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 03:51:36,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 188 transitions. [2018-11-10 03:51:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 188 transitions. [2018-11-10 03:51:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 03:51:36,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:51:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 197 transitions. [2018-11-10 03:51:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 197 transitions. [2018-11-10 03:51:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 03:51:36,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 122 states and 198 transitions. [2018-11-10 03:51:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-11-10 03:51:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 03:51:36,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 200 transitions. [2018-11-10 03:51:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 200 transitions. [2018-11-10 03:51:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 03:51:36,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:51:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 126 states and 208 transitions. [2018-11-10 03:51:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2018-11-10 03:51:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 03:51:37,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 134 states and 221 transitions. [2018-11-10 03:51:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2018-11-10 03:51:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 03:51:37,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 238 transitions. [2018-11-10 03:51:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2018-11-10 03:51:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:51:37,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 234 transitions. [2018-11-10 03:51:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 234 transitions. [2018-11-10 03:51:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 03:51:37,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 03:51:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 143 states and 238 transitions. [2018-11-10 03:51:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2018-11-10 03:51:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 03:51:38,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:51:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 156 states and 269 transitions. [2018-11-10 03:51:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 269 transitions. [2018-11-10 03:51:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:51:39,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 158 states and 274 transitions. [2018-11-10 03:51:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 274 transitions. [2018-11-10 03:51:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:51:39,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:51:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 172 states and 303 transitions. [2018-11-10 03:51:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 303 transitions. [2018-11-10 03:51:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:51:40,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:51:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 173 states and 304 transitions. [2018-11-10 03:51:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 304 transitions. [2018-11-10 03:51:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:51:40,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 175 states and 307 transitions. [2018-11-10 03:51:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 307 transitions. [2018-11-10 03:51:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:51:40,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:51:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 178 states and 309 transitions. [2018-11-10 03:51:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 309 transitions. [2018-11-10 03:51:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 03:51:40,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 03:51:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 314 transitions. [2018-11-10 03:51:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 314 transitions. [2018-11-10 03:51:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:51:40,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 03:51:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 183 states and 315 transitions. [2018-11-10 03:51:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 315 transitions. [2018-11-10 03:51:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 03:51:41,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 03:51:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 187 states and 323 transitions. [2018-11-10 03:51:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 323 transitions. [2018-11-10 03:51:41,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 03:51:41,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 03:51:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 319 transitions. [2018-11-10 03:51:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 319 transitions. [2018-11-10 03:51:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 03:51:41,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 03:51:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 187 states and 323 transitions. [2018-11-10 03:51:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 323 transitions. [2018-11-10 03:51:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 03:51:41,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:51:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 197 states and 337 transitions. [2018-11-10 03:51:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 337 transitions. [2018-11-10 03:51:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 03:51:42,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:51:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 141 states and 213 transitions. [2018-11-10 03:51:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 213 transitions. [2018-11-10 03:51:43,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 03:51:43,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 03:51:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 143 states and 216 transitions. [2018-11-10 03:51:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2018-11-10 03:51:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 03:51:43,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:51:43,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 144 states and 217 transitions. [2018-11-10 03:51:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 217 transitions. [2018-11-10 03:51:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 03:51:43,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:51:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:51:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 03:51:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:51:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 59 states and 71 transitions. [2018-11-10 03:51:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-11-10 03:51:43,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:51:43,232 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-10 03:51:43,241 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:51:43,412 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,414 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,414 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,414 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 03:51:43,417 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,417 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,417 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,418 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 03:51:43,419 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,419 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:51:43,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:51:43 ImpRootNode [2018-11-10 03:51:43,419 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:51:43,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:51:43,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:51:43,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:51:43,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:51:33" (3/4) ... [2018-11-10 03:51:43,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:51:43,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:51:43,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:51:43,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:51:43,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:51:43,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:51:43,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:51:43,434 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-11-10 03:51:43,434 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 03:51:43,435 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 03:51:43,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 [2018-11-10 03:51:43,485 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ec47368-e290-4351-af51-0109ecd77214/bin-2019/ukojak/witness.graphml [2018-11-10 03:51:43,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:51:43,486 INFO L168 Benchmark]: Toolchain (without parser) took 10903.45 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 435.7 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -301.0 MB). Peak memory consumption was 134.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,487 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:51:43,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 936.0 MB in the beginning and 1.2 GB in the end (delta: -253.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,488 INFO L168 Benchmark]: Boogie Preprocessor took 25.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,488 INFO L168 Benchmark]: RCFGBuilder took 973.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,488 INFO L168 Benchmark]: CodeCheck took 9452.47 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.8 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,489 INFO L168 Benchmark]: Witness Printer took 65.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:51:43,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 114 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1081247332 SDtfs, 140126460 SDslu, 1081293404 SDs, 0 SdLazy, 690391564 SolverSat, 1288217844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14508 GetRequests, 14146 SyntacticMatches, 124 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25596 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1476 NumberOfCodeBlocks, 1476 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1443 ConstructedInterpolants, 0 QuantifiedInterpolants, 137119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 540/578 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: 790]: 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: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == 1) && 0 == pumpRunning) && tmp == systemActive - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.35 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 936.0 MB in the beginning and 1.2 GB in the end (delta: -253.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 973.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * CodeCheck took 9452.47 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.8 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...