./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:04:40,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:04:40,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:04:40,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:04:40,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:04:40,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:04:40,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:04:40,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:04:40,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:04:40,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:04:40,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:04:40,542 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:04:40,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:04:40,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:04:40,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:04:40,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:04:40,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:04:40,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:04:40,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:04:40,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:04:40,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:04:40,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:04:40,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:04:40,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:04:40,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:04:40,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:04:40,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:04:40,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:04:40,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:04:40,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:04:40,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:04:40,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:04:40,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:04:40,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:04:40,556 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:04:40,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:04:40,557 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:04:40,566 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:04:40,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:04:40,567 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:04:40,567 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:04:40,567 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:04:40,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:04:40,568 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:04:40,569 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:04:40,569 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:04:40,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:04:40,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:04:40,570 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:04:40,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:04:40,571 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_0f2086d3-5b9c-439c-86aa-027b2f45f244/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-11-18 10:04:40,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:04:40,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:04:40,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:04:40,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:04:40,605 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:04:40,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:04:40,643 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/data/f97796839/8a69012b10e5400a9d533c78697f3f09/FLAGd0f4c03c9 [2018-11-18 10:04:41,067 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:04:41,068 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-18 10:04:41,078 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/data/f97796839/8a69012b10e5400a9d533c78697f3f09/FLAGd0f4c03c9 [2018-11-18 10:04:41,089 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/data/f97796839/8a69012b10e5400a9d533c78697f3f09 [2018-11-18 10:04:41,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:04:41,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:04:41,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:04:41,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:04:41,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:04:41,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41, skipping insertion in model container [2018-11-18 10:04:41,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:04:41,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:04:41,313 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:04:41,321 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:04:41,415 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:04:41,431 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:04:41,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41 WrapperNode [2018-11-18 10:04:41,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:04:41,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:04:41,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:04:41,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:04:41,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:04:41,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:04:41,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:04:41,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:04:41,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... [2018-11-18 10:04:41,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:04:41,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:04:41,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:04:41,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:04:41,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:04:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:04:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:04:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:04:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:04:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:04:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:04:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:04:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:04:41,536 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:04:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:04:41,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:04:42,198 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:04:42,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:42 BoogieIcfgContainer [2018-11-18 10:04:42,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:04:42,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:04:42,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:04:42,207 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:04:42,207 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:42" (1/1) ... [2018-11-18 10:04:42,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:42,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2018-11-18 10:04:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2018-11-18 10:04:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:04:42,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2018-11-18 10:04:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-11-18 10:04:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:04:42,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2018-11-18 10:04:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2018-11-18 10:04:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:04:42,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2018-11-18 10:04:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2018-11-18 10:04:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:04:42,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2018-11-18 10:04:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2018-11-18 10:04:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:04:42,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 124 transitions. [2018-11-18 10:04:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2018-11-18 10:04:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:04:42,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2018-11-18 10:04:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2018-11-18 10:04:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:04:42,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2018-11-18 10:04:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2018-11-18 10:04:43,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:04:43,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2018-11-18 10:04:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2018-11-18 10:04:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:04:43,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2018-11-18 10:04:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2018-11-18 10:04:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:04:43,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 140 states and 225 transitions. [2018-11-18 10:04:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2018-11-18 10:04:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:04:44,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 143 states and 232 transitions. [2018-11-18 10:04:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 232 transitions. [2018-11-18 10:04:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:04:44,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 149 states and 245 transitions. [2018-11-18 10:04:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2018-11-18 10:04:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:04:44,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 155 states and 259 transitions. [2018-11-18 10:04:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 259 transitions. [2018-11-18 10:04:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:04:44,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 156 states and 262 transitions. [2018-11-18 10:04:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2018-11-18 10:04:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:04:44,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 157 states and 263 transitions. [2018-11-18 10:04:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 263 transitions. [2018-11-18 10:04:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:04:44,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:04:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 162 states and 273 transitions. [2018-11-18 10:04:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 273 transitions. [2018-11-18 10:04:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:04:45,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 166 states and 284 transitions. [2018-11-18 10:04:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 284 transitions. [2018-11-18 10:04:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 10:04:45,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 169 states and 291 transitions. [2018-11-18 10:04:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 291 transitions. [2018-11-18 10:04:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 10:04:45,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 300 transitions. [2018-11-18 10:04:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2018-11-18 10:04:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:04:45,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 184 states and 330 transitions. [2018-11-18 10:04:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 330 transitions. [2018-11-18 10:04:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:04:46,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 326 transitions. [2018-11-18 10:04:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 326 transitions. [2018-11-18 10:04:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:04:46,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:04:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 185 states and 334 transitions. [2018-11-18 10:04:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 334 transitions. [2018-11-18 10:04:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:04:46,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 191 states and 347 transitions. [2018-11-18 10:04:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 347 transitions. [2018-11-18 10:04:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:04:47,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:04:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 200 states and 360 transitions. [2018-11-18 10:04:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 360 transitions. [2018-11-18 10:04:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:04:47,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:04:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 203 states and 362 transitions. [2018-11-18 10:04:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 362 transitions. [2018-11-18 10:04:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:04:47,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 204 states and 364 transitions. [2018-11-18 10:04:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2018-11-18 10:04:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:04:47,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:04:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 205 states and 365 transitions. [2018-11-18 10:04:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 365 transitions. [2018-11-18 10:04:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:04:47,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 206 states and 367 transitions. [2018-11-18 10:04:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 367 transitions. [2018-11-18 10:04:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:04:47,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 218 states and 391 transitions. [2018-11-18 10:04:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 391 transitions. [2018-11-18 10:04:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:04:48,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 221 states and 393 transitions. [2018-11-18 10:04:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 393 transitions. [2018-11-18 10:04:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 10:04:48,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 229 states and 423 transitions. [2018-11-18 10:04:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 423 transitions. [2018-11-18 10:04:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 10:04:48,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 232 states and 425 transitions. [2018-11-18 10:04:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 425 transitions. [2018-11-18 10:04:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:04:49,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 242 states and 453 transitions. [2018-11-18 10:04:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 453 transitions. [2018-11-18 10:04:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:04:50,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 243 states and 454 transitions. [2018-11-18 10:04:50,772 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 454 transitions. [2018-11-18 10:04:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:04:50,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 260 states and 498 transitions. [2018-11-18 10:04:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 498 transitions. [2018-11-18 10:04:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:04:52,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 263 states and 503 transitions. [2018-11-18 10:04:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 503 transitions. [2018-11-18 10:04:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:04:53,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 266 states and 508 transitions. [2018-11-18 10:04:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 508 transitions. [2018-11-18 10:04:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:04:53,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 267 states and 509 transitions. [2018-11-18 10:04:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 509 transitions. [2018-11-18 10:04:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:04:53,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 268 states and 510 transitions. [2018-11-18 10:04:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 510 transitions. [2018-11-18 10:04:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:04:53,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 269 states and 513 transitions. [2018-11-18 10:04:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 513 transitions. [2018-11-18 10:04:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 10:04:53,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 272 states and 518 transitions. [2018-11-18 10:04:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 518 transitions. [2018-11-18 10:04:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:04:54,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 281 states and 551 transitions. [2018-11-18 10:04:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 551 transitions. [2018-11-18 10:04:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:04:54,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 282 states and 552 transitions. [2018-11-18 10:04:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 552 transitions. [2018-11-18 10:04:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:04:54,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 285 states and 560 transitions. [2018-11-18 10:04:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 560 transitions. [2018-11-18 10:04:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:04:55,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 288 states and 565 transitions. [2018-11-18 10:04:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 565 transitions. [2018-11-18 10:04:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:04:55,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 309 states and 610 transitions. [2018-11-18 10:04:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 610 transitions. [2018-11-18 10:04:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 10:04:57,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:04:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 312 states and 612 transitions. [2018-11-18 10:04:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 612 transitions. [2018-11-18 10:04:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:04:57,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 313 states and 613 transitions. [2018-11-18 10:04:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 613 transitions. [2018-11-18 10:04:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:04:57,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:04:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:57,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 314 states and 614 transitions. [2018-11-18 10:04:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 614 transitions. [2018-11-18 10:04:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:04:57,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:04:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 324 states and 635 transitions. [2018-11-18 10:04:58,468 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 635 transitions. [2018-11-18 10:04:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 10:04:58,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:04:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:04:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 329 states and 655 transitions. [2018-11-18 10:04:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 655 transitions. [2018-11-18 10:04:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 10:04:59,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:04:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:05:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 338 states and 687 transitions. [2018-11-18 10:05:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 687 transitions. [2018-11-18 10:05:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:05:00,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 341 states and 695 transitions. [2018-11-18 10:05:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 695 transitions. [2018-11-18 10:05:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:05:00,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 344 states and 697 transitions. [2018-11-18 10:05:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 697 transitions. [2018-11-18 10:05:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:05:01,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 347 states and 709 transitions. [2018-11-18 10:05:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 709 transitions. [2018-11-18 10:05:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 10:05:01,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:05:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 350 states and 713 transitions. [2018-11-18 10:05:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 713 transitions. [2018-11-18 10:05:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 10:05:02,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 355 states and 722 transitions. [2018-11-18 10:05:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 722 transitions. [2018-11-18 10:05:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:05:02,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 360 states and 733 transitions. [2018-11-18 10:05:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 733 transitions. [2018-11-18 10:05:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:05:03,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 358 states and 710 transitions. [2018-11-18 10:05:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 710 transitions. [2018-11-18 10:05:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 10:05:03,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 364 states and 718 transitions. [2018-11-18 10:05:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 718 transitions. [2018-11-18 10:05:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 10:05:03,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 367 states and 720 transitions. [2018-11-18 10:05:03,971 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 720 transitions. [2018-11-18 10:05:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 10:05:03,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 368 states and 721 transitions. [2018-11-18 10:05:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 721 transitions. [2018-11-18 10:05:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:05:04,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 370 states and 733 transitions. [2018-11-18 10:05:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 733 transitions. [2018-11-18 10:05:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:05:04,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 368 states and 729 transitions. [2018-11-18 10:05:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 729 transitions. [2018-11-18 10:05:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:05:04,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 369 states and 732 transitions. [2018-11-18 10:05:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 732 transitions. [2018-11-18 10:05:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 10:05:05,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:05,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 372 states and 735 transitions. [2018-11-18 10:05:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 735 transitions. [2018-11-18 10:05:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 10:05:05,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:05:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 374 states and 737 transitions. [2018-11-18 10:05:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 737 transitions. [2018-11-18 10:05:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 10:05:05,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:05:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 383 states and 758 transitions. [2018-11-18 10:05:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 758 transitions. [2018-11-18 10:05:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 10:05:06,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:05:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:06,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 384 states and 759 transitions. [2018-11-18 10:05:06,499 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 759 transitions. [2018-11-18 10:05:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 10:05:06,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:05:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 378 states and 747 transitions. [2018-11-18 10:05:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 747 transitions. [2018-11-18 10:05:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 10:05:06,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:05:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 384 states and 766 transitions. [2018-11-18 10:05:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 766 transitions. [2018-11-18 10:05:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 10:05:07,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:05:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 389 states and 776 transitions. [2018-11-18 10:05:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 776 transitions. [2018-11-18 10:05:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 10:05:07,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 10:05:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 390 states and 777 transitions. [2018-11-18 10:05:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 777 transitions. [2018-11-18 10:05:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 10:05:07,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 392 states and 780 transitions. [2018-11-18 10:05:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 780 transitions. [2018-11-18 10:05:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 10:05:08,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 397 states and 788 transitions. [2018-11-18 10:05:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 788 transitions. [2018-11-18 10:05:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 10:05:08,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:05:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 395 states and 784 transitions. [2018-11-18 10:05:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 784 transitions. [2018-11-18 10:05:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 10:05:08,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:05:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 403 states and 802 transitions. [2018-11-18 10:05:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 802 transitions. [2018-11-18 10:05:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 10:05:09,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 404 states and 803 transitions. [2018-11-18 10:05:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 803 transitions. [2018-11-18 10:05:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 10:05:09,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 405 states and 804 transitions. [2018-11-18 10:05:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 804 transitions. [2018-11-18 10:05:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 10:05:09,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 10:05:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 406 states and 805 transitions. [2018-11-18 10:05:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 805 transitions. [2018-11-18 10:05:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 10:05:09,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 400 states and 793 transitions. [2018-11-18 10:05:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 793 transitions. [2018-11-18 10:05:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 10:05:09,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:05:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 397 states and 786 transitions. [2018-11-18 10:05:09,734 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 786 transitions. [2018-11-18 10:05:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 10:05:09,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:05:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 391 states and 774 transitions. [2018-11-18 10:05:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 774 transitions. [2018-11-18 10:05:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 10:05:09,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:05:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 401 states and 787 transitions. [2018-11-18 10:05:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 787 transitions. [2018-11-18 10:05:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 10:05:10,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 10:05:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 399 states and 775 transitions. [2018-11-18 10:05:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 775 transitions. [2018-11-18 10:05:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:05:11,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:05:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 400 states and 776 transitions. [2018-11-18 10:05:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 776 transitions. [2018-11-18 10:05:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:05:11,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:05:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 184 states and 249 transitions. [2018-11-18 10:05:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 249 transitions. [2018-11-18 10:05:11,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:05:11,754 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2018-11-18 10:05:11,759 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:05:12,121 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 10:05:12,125 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 10:05:12,125 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,126 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,127 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:12,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:05:12 ImpRootNode [2018-11-18 10:05:12,128 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:05:12,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:05:12,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:05:12,129 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:05:12,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:42" (3/4) ... [2018-11-18 10:05:12,131 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:05:12,135 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:05:12,136 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:05:12,136 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:05:12,136 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:05:12,141 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-18 10:05:12,141 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:05:12,141 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:05:12,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2018-11-18 10:05:12,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 10:05:12,191 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f2086d3-5b9c-439c-86aa-027b2f45f244/bin-2019/ukojak/witness.graphml [2018-11-18 10:05:12,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:05:12,192 INFO L168 Benchmark]: Toolchain (without parser) took 31099.73 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 772.3 MB). Free memory was 956.5 MB in the beginning and 956.3 MB in the end (delta: 193.8 kB). Peak memory consumption was 772.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,192 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:12,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -202.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,193 INFO L168 Benchmark]: Boogie Preprocessor took 23.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,193 INFO L168 Benchmark]: RCFGBuilder took 701.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,193 INFO L168 Benchmark]: CodeCheck took 29929.89 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 601.4 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 97.0 MB). Peak memory consumption was 698.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,194 INFO L168 Benchmark]: Witness Printer took 62.50 ms. Allocated memory is still 1.8 GB. Free memory was 973.9 MB in the beginning and 956.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:12,195 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 100 locations, 1 error locations. SAFE Result, 29.5s OverallTime, 88 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -763342360 SDtfs, -210011936 SDslu, -2137210648 SDs, 0 SdLazy, -2097776996 SolverSat, 1112796848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54555 GetRequests, 53494 SyntacticMatches, 525 SemanticMatches, 536 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171604 ImplicationChecksByTransitivity, 24.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 4733 NumberOfCodeBlocks, 4733 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4646 ConstructedInterpolants, 0 QuantifiedInterpolants, 539006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 78 PerfectInterpolantSequences, 1896/1949 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: 44]: 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: 438]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -202.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 701.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 81.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 11.5 GB. * CodeCheck took 29929.89 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 601.4 MB). Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 97.0 MB). Peak memory consumption was 698.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.50 ms. Allocated memory is still 1.8 GB. Free memory was 973.9 MB in the beginning and 956.3 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...