./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_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_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/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 c39001161d93972d05784cb6dbc5024ef34abe15 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:33:55,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:33:55,159 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:33:55,168 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:33:55,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:33:55,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:33:55,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:33:55,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:33:55,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:33:55,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:33:55,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:33:55,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:33:55,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:33:55,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:33:55,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:33:55,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:33:55,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:33:55,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:33:55,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:33:55,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:33:55,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:33:55,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:33:55,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:33:55,184 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:33:55,184 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:33:55,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:33:55,185 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:33:55,186 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:33:55,186 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:33:55,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:33:55,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:33:55,188 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:33:55,188 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:33:55,188 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:33:55,189 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:33:55,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:33:55,189 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:33:55,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:33:55,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:33:55,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:33:55,201 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:33:55,201 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:33:55,201 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:33:55,201 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:33:55,202 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:33:55,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:33:55,203 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:33:55,203 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:33:55,203 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:33:55,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:33:55,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:33:55,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:33:55,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:33:55,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:33:55,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:33:55,206 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:33:55,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:33:55,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:33:55,206 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_e076d69b-5e47-453c-9fe0-524c9efa7314/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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2018-10-26 20:33:55,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:33:55,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:33:55,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:33:55,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:33:55,249 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:33:55,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-10-26 20:33:55,301 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/data/eccd124f4/e262a4fd07d84f5a994c6555fb7b8c69/FLAG29311a3bc [2018-10-26 20:33:55,722 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:33:55,722 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-10-26 20:33:55,733 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/data/eccd124f4/e262a4fd07d84f5a994c6555fb7b8c69/FLAG29311a3bc [2018-10-26 20:33:55,745 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/data/eccd124f4/e262a4fd07d84f5a994c6555fb7b8c69 [2018-10-26 20:33:55,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:33:55,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:33:55,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:55,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:33:55,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:33:55,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:55" (1/1) ... [2018-10-26 20:33:55,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134985e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:55, skipping insertion in model container [2018-10-26 20:33:55,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:55" (1/1) ... [2018-10-26 20:33:55,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:33:55,810 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:33:56,021 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:56,036 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:33:56,137 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:56,167 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:33:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56 WrapperNode [2018-10-26 20:33:56,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:56,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:56,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:33:56,169 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:33:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:56,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:33:56,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:33:56,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:33:56,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... [2018-10-26 20:33:56,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:33:56,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:33:56,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:33:56,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:33:56,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/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 [2018-10-26 20:33:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:33:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:33:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:33:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:33:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:33:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:33:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:33:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:33:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:33:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:33:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:33:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:33:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:33:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:33:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:33:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:33:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:33:58,424 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:33:58,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:58 BoogieIcfgContainer [2018-10-26 20:33:58,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:33:58,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:33:58,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:33:58,433 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:33:58,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:58" (1/1) ... [2018-10-26 20:33:58,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:33:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2018-10-26 20:33:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2018-10-26 20:33:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:33:58,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-10-26 20:33:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-10-26 20:33:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:33:58,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2018-10-26 20:33:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2018-10-26 20:33:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:33:58,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2018-10-26 20:33:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2018-10-26 20:33:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:33:59,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2018-10-26 20:33:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2018-10-26 20:33:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:33:59,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2018-10-26 20:33:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2018-10-26 20:33:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:33:59,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2018-10-26 20:33:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2018-10-26 20:33:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:33:59,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2018-10-26 20:34:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2018-10-26 20:34:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:34:00,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2018-10-26 20:34:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2018-10-26 20:34:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:34:00,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 117 states and 184 transitions. [2018-10-26 20:34:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2018-10-26 20:34:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:34:02,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 121 states and 190 transitions. [2018-10-26 20:34:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 190 transitions. [2018-10-26 20:34:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 20:34:03,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 127 states and 202 transitions. [2018-10-26 20:34:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 202 transitions. [2018-10-26 20:34:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 20:34:03,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 132 states and 211 transitions. [2018-10-26 20:34:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 211 transitions. [2018-10-26 20:34:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:34:03,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 212 transitions. [2018-10-26 20:34:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2018-10-26 20:34:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:34:04,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 137 states and 220 transitions. [2018-10-26 20:34:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 220 transitions. [2018-10-26 20:34:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:34:04,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 145 states and 239 transitions. [2018-10-26 20:34:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2018-10-26 20:34:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:05,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 146 states and 240 transitions. [2018-10-26 20:34:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2018-10-26 20:34:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 20:34:05,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 149 states and 247 transitions. [2018-10-26 20:34:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2018-10-26 20:34:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:05,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 147 states and 243 transitions. [2018-10-26 20:34:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 243 transitions. [2018-10-26 20:34:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:05,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:34:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 150 states and 249 transitions. [2018-10-26 20:34:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 249 transitions. [2018-10-26 20:34:07,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:34:07,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:07,829 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:34:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 156 states and 263 transitions. [2018-10-26 20:34:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 263 transitions. [2018-10-26 20:34:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:08,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:34:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 264 transitions. [2018-10-26 20:34:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 264 transitions. [2018-10-26 20:34:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:34:08,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 160 states and 266 transitions. [2018-10-26 20:34:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 266 transitions. [2018-10-26 20:34:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:08,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 168 states and 279 transitions. [2018-10-26 20:34:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 279 transitions. [2018-10-26 20:34:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:34:09,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 281 transitions. [2018-10-26 20:34:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-10-26 20:34:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:34:09,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 172 states and 281 transitions. [2018-10-26 20:34:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 281 transitions. [2018-10-26 20:34:09,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:09,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 173 states and 282 transitions. [2018-10-26 20:34:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 282 transitions. [2018-10-26 20:34:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:09,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 190 states and 322 transitions. [2018-10-26 20:34:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 322 transitions. [2018-10-26 20:34:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:11,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 193 states and 324 transitions. [2018-10-26 20:34:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 324 transitions. [2018-10-26 20:34:11,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:34:11,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 206 states and 353 transitions. [2018-10-26 20:34:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 353 transitions. [2018-10-26 20:34:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:34:13,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:13,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 209 states and 356 transitions. [2018-10-26 20:34:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 356 transitions. [2018-10-26 20:34:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:34:13,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 210 states and 356 transitions. [2018-10-26 20:34:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 356 transitions. [2018-10-26 20:34:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:34:13,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 211 states and 357 transitions. [2018-10-26 20:34:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 357 transitions. [2018-10-26 20:34:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:34:13,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:13,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 20:34:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 212 states and 358 transitions. [2018-10-26 20:34:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 358 transitions. [2018-10-26 20:34:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:34:13,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:34:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 215 states and 362 transitions. [2018-10-26 20:34:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2018-10-26 20:34:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:34:14,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 222 states and 375 transitions. [2018-10-26 20:34:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 375 transitions. [2018-10-26 20:34:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:34:14,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 228 states and 383 transitions. [2018-10-26 20:34:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 383 transitions. [2018-10-26 20:34:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 20:34:16,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 229 states and 384 transitions. [2018-10-26 20:34:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 384 transitions. [2018-10-26 20:34:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 20:34:16,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:16,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 232 states and 387 transitions. [2018-10-26 20:34:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 387 transitions. [2018-10-26 20:34:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 20:34:16,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 174 states and 267 transitions. [2018-10-26 20:34:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 267 transitions. [2018-10-26 20:34:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 20:34:17,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:34:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 178 states and 274 transitions. [2018-10-26 20:34:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 274 transitions. [2018-10-26 20:34:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:34:17,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:34:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 179 states and 274 transitions. [2018-10-26 20:34:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 274 transitions. [2018-10-26 20:34:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:34:18,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:34:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 177 states and 270 transitions. [2018-10-26 20:34:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 270 transitions. [2018-10-26 20:34:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:34:18,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:34:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 178 states and 273 transitions. [2018-10-26 20:34:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 273 transitions. [2018-10-26 20:34:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 20:34:18,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 20:34:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 180 states and 276 transitions. [2018-10-26 20:34:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 276 transitions. [2018-10-26 20:34:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:34:19,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:34:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 182 states and 278 transitions. [2018-10-26 20:34:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 278 transitions. [2018-10-26 20:34:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:34:19,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 20:34:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 185 states and 279 transitions. [2018-10-26 20:34:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 279 transitions. [2018-10-26 20:34:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 20:34:20,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:34:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 186 states and 279 transitions. [2018-10-26 20:34:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 279 transitions. [2018-10-26 20:34:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 20:34:20,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 20:34:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 177 states and 262 transitions. [2018-10-26 20:34:20,959 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2018-10-26 20:34:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 20:34:20,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:34:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 179 states and 265 transitions. [2018-10-26 20:34:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 265 transitions. [2018-10-26 20:34:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-26 20:34:21,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 20:34:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 180 states and 266 transitions. [2018-10-26 20:34:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 266 transitions. [2018-10-26 20:34:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 20:34:21,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:34:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 147 transitions. [2018-10-26 20:34:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2018-10-26 20:34:21,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:34:21,187 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-10-26 20:34:21,197 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:34:21,482 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,484 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:34:21,488 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,488 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,488 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,488 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:34:21,488 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,489 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 20:34:21,489 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,490 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,490 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:21,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:34:21 ImpRootNode [2018-10-26 20:34:21,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:34:21,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:34:21,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:34:21,491 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:34:21,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:58" (3/4) ... [2018-10-26 20:34:21,497 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:34:21,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:34:21,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:34:21,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:34:21,502 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:34:21,503 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:34:21,503 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:34:21,503 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:34:21,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-10-26 20:34:21,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 20:34:21,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 20:34:21,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-26 20:34:21,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) && !(0 == tmp)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(0 == tmp)) [2018-10-26 20:34:21,576 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e076d69b-5e47-453c-9fe0-524c9efa7314/bin-2019/ukojak/witness.graphml [2018-10-26 20:34:21,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:34:21,576 INFO L168 Benchmark]: Toolchain (without parser) took 25828.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 963.4 MB in the beginning and 1.3 GB in the end (delta: -353.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:34:21,577 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:34:21,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.62 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:21,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:21,578 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:34:21,578 INFO L168 Benchmark]: RCFGBuilder took 2084.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:21,578 INFO L168 Benchmark]: CodeCheck took 23065.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -266.2 MB). Peak memory consumption was 352.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:21,578 INFO L168 Benchmark]: Witness Printer took 85.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 66.0 kB). Peak memory consumption was 66.0 kB. Max. memory is 11.5 GB. [2018-10-26 20:34:21,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 120 locations, 1 error locations. SAFE Result, 22.7s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 389777444 SDtfs, -2095683476 SDslu, -623799204 SDs, 0 SdLazy, -2098575524 SolverSat, 162502260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22414 GetRequests, 21817 SyntacticMatches, 321 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35263 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2352 NumberOfCodeBlocks, 2352 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2301 ConstructedInterpolants, 0 QuantifiedInterpolants, 240774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 883/930 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: 391]: 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: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(systemActive == 0))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) && !(0 == tmp)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(0 == tmp)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.62 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 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 124.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2084.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * CodeCheck took 23065.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -266.2 MB). Peak memory consumption was 352.8 MB. Max. memory is 11.5 GB. * Witness Printer took 85.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 66.0 kB). Peak memory consumption was 66.0 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...