./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f73634e342cf3e7f84044af175d79019321da0bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:15:41,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:15:41,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:15:41,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:15:41,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:15:41,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:15:41,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:15:41,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:15:41,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:15:41,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:15:41,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:15:41,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:15:41,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:15:41,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:15:41,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:15:41,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:15:41,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:15:41,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:15:41,193 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:15:41,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:15:41,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:15:41,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:15:41,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:15:41,197 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:15:41,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:15:41,198 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:15:41,199 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:15:41,199 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:15:41,200 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:15:41,201 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:15:41,201 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:15:41,201 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:15:41,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:15:41,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:15:41,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:15:41,203 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:15:41,203 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:15:41,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:15:41,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:15:41,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:15:41,214 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:15:41,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:15:41,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:15:41,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:15:41,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:15:41,215 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:15:41,215 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:15:41,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:15:41,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:15:41,217 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:15:41,217 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:15:41,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:15:41,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:15:41,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:15:41,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:15:41,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:15:41,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:15:41,218 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:15:41,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:15:41,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:15:41,218 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_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73634e342cf3e7f84044af175d79019321da0bc [2018-12-02 14:15:41,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:15:41,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:15:41,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:15:41,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:15:41,252 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:15:41,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-02 14:15:41,289 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/data/b5858035c/d08cddff6d33467f8513eb152d6a5b2d/FLAG87da3fd50 [2018-12-02 14:15:41,618 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:15:41,619 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-12-02 14:15:41,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/data/b5858035c/d08cddff6d33467f8513eb152d6a5b2d/FLAG87da3fd50 [2018-12-02 14:15:41,632 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/data/b5858035c/d08cddff6d33467f8513eb152d6a5b2d [2018-12-02 14:15:41,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:15:41,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:15:41,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:15:41,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:15:41,637 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:15:41,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41, skipping insertion in model container [2018-12-02 14:15:41,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:15:41,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:15:41,805 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:15:41,849 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:15:41,896 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:15:41,916 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:15:41,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41 WrapperNode [2018-12-02 14:15:41,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:15:41,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:15:41,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:15:41,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:15:41,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:15:41,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:15:41,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:15:41,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:15:41,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... [2018-12-02 14:15:41,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:15:41,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:15:41,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:15:41,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:15:41,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/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 [2018-12-02 14:15:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 14:15:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 14:15:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 14:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 14:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:15:42,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:15:42,399 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-02 14:15:42,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:15:42 BoogieIcfgContainer [2018-12-02 14:15:42,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:15:42,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:15:42,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:15:42,409 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:15:42,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:15:42" (1/1) ... [2018-12-02 14:15:42,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:15:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-12-02 14:15:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-12-02 14:15:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:15:42,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-12-02 14:15:42,597 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-02 14:15:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:15:42,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-12-02 14:15:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-12-02 14:15:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 14:15:42,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-12-02 14:15:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-12-02 14:15:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:15:42,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-12-02 14:15:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-12-02 14:15:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:15:43,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-12-02 14:15:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-12-02 14:15:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:15:43,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-12-02 14:15:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-12-02 14:15:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:15:43,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:43,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2018-12-02 14:15:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2018-12-02 14:15:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:15:43,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2018-12-02 14:15:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-12-02 14:15:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 14:15:43,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 183 transitions. [2018-12-02 14:15:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2018-12-02 14:15:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:15:44,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2018-12-02 14:15:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2018-12-02 14:15:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:15:44,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:15:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 197 transitions. [2018-12-02 14:15:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2018-12-02 14:15:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 14:15:44,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2018-12-02 14:15:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2018-12-02 14:15:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 14:15:44,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2018-12-02 14:15:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2018-12-02 14:15:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:15:44,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2018-12-02 14:15:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2018-12-02 14:15:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:15:44,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 14:15:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2018-12-02 14:15:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2018-12-02 14:15:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 14:15:45,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 138 states and 246 transitions. [2018-12-02 14:15:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2018-12-02 14:15:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 14:15:45,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 250 transitions. [2018-12-02 14:15:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2018-12-02 14:15:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 14:15:45,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 14:15:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:46,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 265 transitions. [2018-12-02 14:15:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2018-12-02 14:15:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:15:46,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 266 transitions. [2018-12-02 14:15:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2018-12-02 14:15:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:15:46,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:15:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2018-12-02 14:15:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2018-12-02 14:15:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 14:15:46,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 14:15:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 268 transitions. [2018-12-02 14:15:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2018-12-02 14:15:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 14:15:46,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2018-12-02 14:15:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2018-12-02 14:15:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:15:46,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:15:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 181 states and 343 transitions. [2018-12-02 14:15:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 343 transitions. [2018-12-02 14:15:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 14:15:48,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 188 states and 372 transitions. [2018-12-02 14:15:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2018-12-02 14:15:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:15:48,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 189 states and 373 transitions. [2018-12-02 14:15:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 373 transitions. [2018-12-02 14:15:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 14:15:48,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 199 states and 401 transitions. [2018-12-02 14:15:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 401 transitions. [2018-12-02 14:15:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:15:50,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 200 states and 402 transitions. [2018-12-02 14:15:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 402 transitions. [2018-12-02 14:15:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 14:15:50,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 203 states and 407 transitions. [2018-12-02 14:15:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 407 transitions. [2018-12-02 14:15:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 14:15:50,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 205 states and 408 transitions. [2018-12-02 14:15:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 408 transitions. [2018-12-02 14:15:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 14:15:50,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:15:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 213 states and 445 transitions. [2018-12-02 14:15:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 445 transitions. [2018-12-02 14:15:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 14:15:50,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:15:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 215 states and 449 transitions. [2018-12-02 14:15:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 449 transitions. [2018-12-02 14:15:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:15:51,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:15:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 216 states and 450 transitions. [2018-12-02 14:15:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 450 transitions. [2018-12-02 14:15:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 14:15:51,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:15:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 217 states and 451 transitions. [2018-12-02 14:15:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 451 transitions. [2018-12-02 14:15:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 14:15:51,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:15:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 222 states and 465 transitions. [2018-12-02 14:15:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 465 transitions. [2018-12-02 14:15:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-02 14:15:51,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:15:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 225 states and 470 transitions. [2018-12-02 14:15:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 470 transitions. [2018-12-02 14:15:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 14:15:51,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 14:15:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 226 states and 471 transitions. [2018-12-02 14:15:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 471 transitions. [2018-12-02 14:15:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 14:15:51,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:15:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 227 states and 472 transitions. [2018-12-02 14:15:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 472 transitions. [2018-12-02 14:15:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 14:15:51,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:15:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 231 states and 481 transitions. [2018-12-02 14:15:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 481 transitions. [2018-12-02 14:15:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 14:15:52,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:15:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 229 states and 477 transitions. [2018-12-02 14:15:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 477 transitions. [2018-12-02 14:15:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 14:15:52,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:15:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 230 states and 479 transitions. [2018-12-02 14:15:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 479 transitions. [2018-12-02 14:15:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 14:15:52,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 14:15:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 232 states and 483 transitions. [2018-12-02 14:15:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2018-12-02 14:15:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 14:15:52,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 14:15:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 234 states and 486 transitions. [2018-12-02 14:15:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 486 transitions. [2018-12-02 14:15:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 14:15:52,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 14:15:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 236 states and 489 transitions. [2018-12-02 14:15:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 489 transitions. [2018-12-02 14:15:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 14:15:52,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 14:15:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 227 states and 463 transitions. [2018-12-02 14:15:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 463 transitions. [2018-12-02 14:15:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 14:15:52,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:15:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 228 states and 464 transitions. [2018-12-02 14:15:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 464 transitions. [2018-12-02 14:15:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 14:15:53,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:15:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 229 states and 465 transitions. [2018-12-02 14:15:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 465 transitions. [2018-12-02 14:15:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 14:15:53,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 14:15:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 224 states and 455 transitions. [2018-12-02 14:15:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 455 transitions. [2018-12-02 14:15:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 14:15:53,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 14:15:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 226 states and 456 transitions. [2018-12-02 14:15:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 456 transitions. [2018-12-02 14:15:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 14:15:53,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 14:15:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 228 states and 457 transitions. [2018-12-02 14:15:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 457 transitions. [2018-12-02 14:15:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 14:15:53,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 14:15:53,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 223 states and 445 transitions. [2018-12-02 14:15:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 445 transitions. [2018-12-02 14:15:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 14:15:53,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:15:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 221 states and 438 transitions. [2018-12-02 14:15:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 438 transitions. [2018-12-02 14:15:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 14:15:53,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 14:15:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 223 states and 439 transitions. [2018-12-02 14:15:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 439 transitions. [2018-12-02 14:15:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 14:15:54,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 14:15:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 221 states and 431 transitions. [2018-12-02 14:15:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 431 transitions. [2018-12-02 14:15:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 14:15:54,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:15:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 223 states and 433 transitions. [2018-12-02 14:15:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2018-12-02 14:15:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 14:15:54,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:15:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:15:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:15:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:15:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 82 states and 109 transitions. [2018-12-02 14:15:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-12-02 14:15:54,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:15:54,768 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-12-02 14:15:54,774 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:15:54,995 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-02 14:15:54,999 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:54,999 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:54,999 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:15:55,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:15:55 ImpRootNode [2018-12-02 14:15:55,000 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:15:55,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:15:55,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:15:55,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:15:55,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:15:42" (3/4) ... [2018-12-02 14:15:55,003 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:15:55,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 14:15:55,010 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-02 14:15:55,010 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 14:15:55,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 14:15:55,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 14:15:55,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:15:55,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:15:55,027 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-02 14:15:55,045 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6733051b-bccb-478b-9d35-591688e27b48/bin-2019/ukojak/witness.graphml [2018-12-02 14:15:55,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:15:55,045 INFO L168 Benchmark]: Toolchain (without parser) took 13411.76 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 500.7 MB). Free memory was 954.9 MB in the beginning and 1.3 GB in the end (delta: -358.0 MB). Peak memory consumption was 142.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:15:55,046 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:15:55,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:15:55,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 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. [2018-12-02 14:15:55,047 INFO L168 Benchmark]: Boogie Preprocessor took 17.90 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. [2018-12-02 14:15:55,047 INFO L168 Benchmark]: RCFGBuilder took 429.61 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:15:55,047 INFO L168 Benchmark]: CodeCheck took 12600.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 350.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:15:55,047 INFO L168 Benchmark]: Witness Printer took 44.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:15:55,048 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, 70 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1395917952 SDtfs, -1008420856 SDslu, -573005096 SDs, 0 SdLazy, -831964114 SolverSat, -349828766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29928 GetRequests, 29450 SyntacticMatches, 158 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47813 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2750 NumberOfCodeBlocks, 2750 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2695 ConstructedInterpolants, 0 QuantifiedInterpolants, 277702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 40 PerfectInterpolantSequences, 1293/1362 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.58 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. * Boogie Preprocessor took 17.90 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 429.61 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 12600.65 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 350.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...