./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/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 8c7c11659b56a65fd9b011a28c96b3117f33c316 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:43:21,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:43:21,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:43:21,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:43:21,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:43:21,289 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:43:21,290 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:43:21,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:43:21,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:43:21,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:43:21,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:43:21,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:43:21,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:43:21,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:43:21,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:43:21,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:43:21,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:43:21,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:43:21,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:43:21,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:43:21,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:43:21,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:43:21,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:43:21,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:43:21,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:43:21,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:43:21,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:43:21,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:43:21,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:43:21,302 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:43:21,302 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:43:21,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:43:21,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:43:21,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:43:21,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:43:21,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:43:21,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:43:21,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:43:21,310 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:43:21,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:43:21,311 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:43:21,311 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:43:21,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:43:21,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:43:21,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:43:21,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:43:21,312 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:43:21,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:43:21,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:43:21,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:43:21,313 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_44b7a019-8adc-4e96-8826-43ac74e07d00/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 -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2018-12-09 04:43:21,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:43:21,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:43:21,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:43:21,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:43:21,341 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:43:21,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-12-09 04:43:21,381 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/data/fbbede8d1/c7e6b2965b29400085bbd4c07bbb2c89/FLAGeccb0d7c5 [2018-12-09 04:43:21,699 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:43:21,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-12-09 04:43:21,705 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/data/fbbede8d1/c7e6b2965b29400085bbd4c07bbb2c89/FLAGeccb0d7c5 [2018-12-09 04:43:21,716 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/data/fbbede8d1/c7e6b2965b29400085bbd4c07bbb2c89 [2018-12-09 04:43:21,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:43:21,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:43:21,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:43:21,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:43:21,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:43:21,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:21,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fb01a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21, skipping insertion in model container [2018-12-09 04:43:21,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:21,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:43:21,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:43:21,899 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:43:21,938 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:43:21,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:43:21,995 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:43:21,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21 WrapperNode [2018-12-09 04:43:21,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:43:21,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:43:21,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:43:21,996 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:43:22,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:43:22,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:43:22,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:43:22,028 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:43:22,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... [2018-12-09 04:43:22,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:43:22,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:43:22,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:43:22,046 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:43:22,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:43:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:43:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 04:43:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 04:43:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 04:43:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 04:43:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 04:43:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 04:43:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 04:43:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 04:43:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:43:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:43:22,510 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:43:22,510 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 04:43:22,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:43:22 BoogieIcfgContainer [2018-12-09 04:43:22,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:43:22,511 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:43:22,511 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:43:22,518 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:43:22,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:43:22" (1/1) ... [2018-12-09 04:43:22,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:43:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-12-09 04:43:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-12-09 04:43:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 04:43:22,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-12-09 04:43:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-12-09 04:43:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:43:22,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2018-12-09 04:43:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2018-12-09 04:43:22,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 04:43:22,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2018-12-09 04:43:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2018-12-09 04:43:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 04:43:22,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2018-12-09 04:43:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2018-12-09 04:43:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 04:43:22,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2018-12-09 04:43:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2018-12-09 04:43:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 04:43:22,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 126 transitions. [2018-12-09 04:43:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-12-09 04:43:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 04:43:23,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 101 states and 158 transitions. [2018-12-09 04:43:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2018-12-09 04:43:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 04:43:23,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 159 transitions. [2018-12-09 04:43:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2018-12-09 04:43:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 04:43:23,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:23,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 160 transitions. [2018-12-09 04:43:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2018-12-09 04:43:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 04:43:23,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 104 states and 161 transitions. [2018-12-09 04:43:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 161 transitions. [2018-12-09 04:43:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 04:43:23,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:43:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 111 states and 174 transitions. [2018-12-09 04:43:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 174 transitions. [2018-12-09 04:43:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 04:43:24,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 123 states and 203 transitions. [2018-12-09 04:43:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2018-12-09 04:43:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 04:43:24,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 04:43:25,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 128 states and 214 transitions. [2018-12-09 04:43:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2018-12-09 04:43:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 04:43:25,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 230 transitions. [2018-12-09 04:43:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 230 transitions. [2018-12-09 04:43:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 04:43:26,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 135 states and 233 transitions. [2018-12-09 04:43:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2018-12-09 04:43:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 04:43:26,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 137 states and 236 transitions. [2018-12-09 04:43:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2018-12-09 04:43:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 04:43:26,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 04:43:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 144 states and 257 transitions. [2018-12-09 04:43:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2018-12-09 04:43:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 04:43:27,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 153 states and 275 transitions. [2018-12-09 04:43:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2018-12-09 04:43:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 04:43:27,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:28,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 156 states and 281 transitions. [2018-12-09 04:43:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 281 transitions. [2018-12-09 04:43:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 04:43:28,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 159 states and 287 transitions. [2018-12-09 04:43:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2018-12-09 04:43:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 04:43:28,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 160 states and 288 transitions. [2018-12-09 04:43:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2018-12-09 04:43:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 04:43:28,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:43:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 161 states and 289 transitions. [2018-12-09 04:43:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2018-12-09 04:43:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 04:43:28,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 169 states and 316 transitions. [2018-12-09 04:43:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2018-12-09 04:43:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 04:43:29,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:29,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 171 states and 326 transitions. [2018-12-09 04:43:29,300 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 326 transitions. [2018-12-09 04:43:29,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 04:43:29,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 180 states and 355 transitions. [2018-12-09 04:43:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 355 transitions. [2018-12-09 04:43:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 04:43:30,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 182 states and 356 transitions. [2018-12-09 04:43:30,909 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 356 transitions. [2018-12-09 04:43:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 04:43:30,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 04:43:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 200 states and 397 transitions. [2018-12-09 04:43:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 397 transitions. [2018-12-09 04:43:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 04:43:34,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 04:43:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 204 states and 404 transitions. [2018-12-09 04:43:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 404 transitions. [2018-12-09 04:43:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 04:43:34,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 04:43:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 197 states and 389 transitions. [2018-12-09 04:43:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 389 transitions. [2018-12-09 04:43:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 04:43:34,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 205 states and 409 transitions. [2018-12-09 04:43:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 409 transitions. [2018-12-09 04:43:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 04:43:35,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 04:43:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 209 states and 416 transitions. [2018-12-09 04:43:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 416 transitions. [2018-12-09 04:43:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 04:43:36,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 212 states and 421 transitions. [2018-12-09 04:43:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 421 transitions. [2018-12-09 04:43:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 04:43:36,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 04:43:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 227 states and 448 transitions. [2018-12-09 04:43:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 448 transitions. [2018-12-09 04:43:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 04:43:37,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 04:43:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 229 states and 447 transitions. [2018-12-09 04:43:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 447 transitions. [2018-12-09 04:43:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 04:43:38,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 04:43:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 233 states and 455 transitions. [2018-12-09 04:43:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 455 transitions. [2018-12-09 04:43:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 04:43:39,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 04:43:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 231 states and 451 transitions. [2018-12-09 04:43:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 451 transitions. [2018-12-09 04:43:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 04:43:39,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 04:43:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 235 states and 457 transitions. [2018-12-09 04:43:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 457 transitions. [2018-12-09 04:43:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 04:43:40,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 04:43:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 236 states and 458 transitions. [2018-12-09 04:43:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 458 transitions. [2018-12-09 04:43:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 04:43:40,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 04:43:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 252 states and 499 transitions. [2018-12-09 04:43:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 499 transitions. [2018-12-09 04:43:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 04:43:42,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 04:43:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 253 states and 500 transitions. [2018-12-09 04:43:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 500 transitions. [2018-12-09 04:43:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 04:43:43,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 04:43:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 249 states and 486 transitions. [2018-12-09 04:43:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 486 transitions. [2018-12-09 04:43:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 04:43:43,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 04:43:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 240 states and 463 transitions. [2018-12-09 04:43:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 463 transitions. [2018-12-09 04:43:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 04:43:43,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 04:43:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 226 states and 432 transitions. [2018-12-09 04:43:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 432 transitions. [2018-12-09 04:43:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 04:43:43,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 04:43:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 233 states and 443 transitions. [2018-12-09 04:43:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 443 transitions. [2018-12-09 04:43:44,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 04:43:44,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 04:43:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 233 states and 439 transitions. [2018-12-09 04:43:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 439 transitions. [2018-12-09 04:43:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 04:43:45,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 04:43:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 233 states and 437 transitions. [2018-12-09 04:43:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 437 transitions. [2018-12-09 04:43:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 04:43:46,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 04:43:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 234 states and 438 transitions. [2018-12-09 04:43:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 438 transitions. [2018-12-09 04:43:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 04:43:46,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 04:43:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 237 states and 443 transitions. [2018-12-09 04:43:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 443 transitions. [2018-12-09 04:43:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 04:43:46,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 04:43:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 242 states and 454 transitions. [2018-12-09 04:43:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 454 transitions. [2018-12-09 04:43:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 04:43:47,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 04:43:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 240 states and 450 transitions. [2018-12-09 04:43:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 450 transitions. [2018-12-09 04:43:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 04:43:47,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 04:43:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:47,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 237 states and 444 transitions. [2018-12-09 04:43:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 444 transitions. [2018-12-09 04:43:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 04:43:47,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 04:43:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:47,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 239 states and 446 transitions. [2018-12-09 04:43:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 446 transitions. [2018-12-09 04:43:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 04:43:47,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 04:43:50,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 243 states and 447 transitions. [2018-12-09 04:43:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 447 transitions. [2018-12-09 04:43:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 04:43:50,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 26 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 04:43:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 254 states and 473 transitions. [2018-12-09 04:43:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 473 transitions. [2018-12-09 04:43:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 04:43:52,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 04:43:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 252 states and 466 transitions. [2018-12-09 04:43:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 466 transitions. [2018-12-09 04:43:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 04:43:53,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 41 proven. 30 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 04:43:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 257 states and 476 transitions. [2018-12-09 04:43:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 476 transitions. [2018-12-09 04:43:53,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 04:43:53,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 37 proven. 39 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-09 04:43:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 260 states and 479 transitions. [2018-12-09 04:43:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 479 transitions. [2018-12-09 04:43:54,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 04:43:54,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 04:43:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 262 states and 482 transitions. [2018-12-09 04:43:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 482 transitions. [2018-12-09 04:43:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 04:43:55,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 04:43:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 259 states and 467 transitions. [2018-12-09 04:43:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 467 transitions. [2018-12-09 04:43:56,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 04:43:56,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:43:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:43:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 04:43:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:43:56,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 213 states and 348 transitions. [2018-12-09 04:43:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 348 transitions. [2018-12-09 04:43:56,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:43:56,541 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-12-09 04:43:56,547 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:43:57,027 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 04:43:57,033 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 04:43:57,033 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,033 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,033 INFO L583 CodeCheckObserver]: Invariant with dag size 28 [2018-12-09 04:43:57,035 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,035 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,035 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 04:43:57,036 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,036 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,036 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 04:43:57,036 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,036 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:43:57,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:43:57 ImpRootNode [2018-12-09 04:43:57,037 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:43:57,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:43:57,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:43:57,037 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:43:57,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:43:22" (3/4) ... [2018-12-09 04:43:57,040 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 04:43:57,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 04:43:57,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 04:43:57,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 04:43:57,049 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-12-09 04:43:57,049 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 04:43:57,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 04:43:57,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 04:43:57,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:43:57,050 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:43:57,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((((!(1 == waterLevel) && 0 == pumpRunning) && !(0 == methaneLevelCritical)) && !(systemActive == methaneLevelCritical)) && systemActive == 1)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == pumpRunning))) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && pumpRunning == \old(pumpRunning))) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-12-09 04:43:57,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-12-09 04:43:57,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && !(tmp == 0))) || (tmp == 0 && \old(pumpRunning) == 0) [2018-12-09 04:43:57,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning) || \old(pumpRunning) == 0 [2018-12-09 04:43:57,095 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44b7a019-8adc-4e96-8826-43ac74e07d00/bin-2019/ukojak/witness.graphml [2018-12-09 04:43:57,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:43:57,096 INFO L168 Benchmark]: Toolchain (without parser) took 35377.70 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 766.5 MB). Free memory was 949.5 MB in the beginning and 1.5 GB in the end (delta: -566.6 MB). Peak memory consumption was 199.9 MB. Max. memory is 11.5 GB. [2018-12-09 04:43:57,097 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:43:57,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:43:57,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:43:57,097 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:43:57,097 INFO L168 Benchmark]: RCFGBuilder took 464.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:43:57,098 INFO L168 Benchmark]: CodeCheck took 34525.72 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 645.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -499.6 MB). Peak memory consumption was 146.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:43:57,098 INFO L168 Benchmark]: Witness Printer took 58.64 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 35.8 kB). Peak memory consumption was 35.8 kB. Max. memory is 11.5 GB. [2018-12-09 04:43:57,099 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 9 procedures, 83 locations, 1 error locations. SAFE Result, 34.0s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2054627232 SDtfs, 1276126496 SDslu, -2108999276 SDs, 0 SdLazy, 642007718 SolverSat, -1062054282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46218 GetRequests, 45260 SyntacticMatches, 379 SemanticMatches, 579 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172526 ImplicationChecksByTransitivity, 30.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3982 NumberOfCodeBlocks, 3982 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3922 ConstructedInterpolants, 0 QuantifiedInterpolants, 603116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 34 PerfectInterpolantSequences, 2207/2496 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: 145]: 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: 159]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && !(tmp == 0))) || (tmp == 0 && \old(pumpRunning) == 0) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning) || \old(pumpRunning) == 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((((!(1 == waterLevel) && 0 == pumpRunning) && !(0 == methaneLevelCritical)) && !(systemActive == methaneLevelCritical)) && systemActive == 1)) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == pumpRunning))) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical))) || (!(0 == pumpRunning) && pumpRunning == \old(pumpRunning))) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 464.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * CodeCheck took 34525.72 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 645.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -499.6 MB). Peak memory consumption was 146.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.64 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 35.8 kB). Peak memory consumption was 35.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...