./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_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_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/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 cad73398e0cf8deb8923c0d0bd284c41454d0d9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:44:29,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:44:29,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:44:29,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:44:29,605 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:44:29,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:44:29,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:44:29,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:44:29,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:44:29,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:44:29,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:44:29,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:44:29,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:44:29,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:44:29,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:44:29,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:44:29,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:44:29,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:44:29,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:44:29,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:44:29,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:44:29,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:44:29,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:44:29,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:44:29,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:44:29,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:44:29,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:44:29,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:44:29,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:44:29,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:44:29,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:44:29,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:44:29,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:44:29,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:44:29,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:44:29,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:44:29,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:44:29,632 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:44:29,632 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:44:29,633 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:44:29,633 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:44:29,634 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:44:29,634 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:44:29,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:44:29,634 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:44:29,634 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:44:29,634 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:44:29,635 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:44:29,636 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:44:29,636 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:44:29,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:44:29,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:44:29,636 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:44:29,636 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:44:29,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:44:29,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:44:29,637 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:44:29,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:44:29,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:44:29,637 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_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/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 -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2018-11-18 18:44:29,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:44:29,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:44:29,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:44:29,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:44:29,676 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:44:29,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-18 18:44:29,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/data/1d03047af/bedd0ddd481e47fc91ea8f4ef4b8ad9c/FLAGb478c9606 [2018-11-18 18:44:30,163 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:44:30,164 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-11-18 18:44:30,173 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/data/1d03047af/bedd0ddd481e47fc91ea8f4ef4b8ad9c/FLAGb478c9606 [2018-11-18 18:44:30,183 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/data/1d03047af/bedd0ddd481e47fc91ea8f4ef4b8ad9c [2018-11-18 18:44:30,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:44:30,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:44:30,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:44:30,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:44:30,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:44:30,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30, skipping insertion in model container [2018-11-18 18:44:30,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:44:30,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:44:30,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:44:30,434 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:44:30,541 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:44:30,563 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:44:30,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30 WrapperNode [2018-11-18 18:44:30,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:44:30,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:44:30,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:44:30,564 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:44:30,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:44:30,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:44:30,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:44:30,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:44:30,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... [2018-11-18 18:44:30,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:44:30,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:44:30,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:44:30,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:44:30,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:44:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/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 18:44:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 18:44:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 18:44:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 18:44:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 18:44:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 18:44:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 18:44:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 18:44:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 18:44:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 18:44:30,679 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 18:44:30,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 18:44:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 18:44:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 18:44:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 18:44:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 18:44:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 18:44:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 18:44:30,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:44:30,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:44:31,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:44:31,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:44:31 BoogieIcfgContainer [2018-11-18 18:44:31,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:44:31,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:44:31,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:44:31,389 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:44:31,389 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:44:31" (1/1) ... [2018-11-18 18:44:31,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:44:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2018-11-18 18:44:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2018-11-18 18:44:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 18:44:31,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:31,572 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 18:44:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-11-18 18:44:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-11-18 18:44:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 18:44:31,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:44:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2018-11-18 18:44:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2018-11-18 18:44:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 18:44:31,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:31,761 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 18:44:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2018-11-18 18:44:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2018-11-18 18:44:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 18:44:31,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:31,849 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 18:44:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 84 states and 119 transitions. [2018-11-18 18:44:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2018-11-18 18:44:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:44:31,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:32,005 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 18:44:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 85 states and 120 transitions. [2018-11-18 18:44:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2018-11-18 18:44:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:44:32,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:32,049 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 18:44:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2018-11-18 18:44:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2018-11-18 18:44:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 18:44:32,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:32,150 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 18:44:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 104 states and 157 transitions. [2018-11-18 18:44:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2018-11-18 18:44:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:44:32,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:32,631 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 18:44:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 105 states and 158 transitions. [2018-11-18 18:44:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2018-11-18 18:44:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:44:32,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:32,697 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 18:44:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 126 states and 201 transitions. [2018-11-18 18:44:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2018-11-18 18:44:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 18:44:33,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:33,459 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 18:44:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-11-18 18:44:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-11-18 18:44:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 18:44:33,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:33,921 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 18:44:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 139 states and 228 transitions. [2018-11-18 18:44:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 228 transitions. [2018-11-18 18:44:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 18:44:34,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,091 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 18:44:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 142 states and 235 transitions. [2018-11-18 18:44:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 235 transitions. [2018-11-18 18:44:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:44:34,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,208 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 18:44:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 238 transitions. [2018-11-18 18:44:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2018-11-18 18:44:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:44:34,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:44:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 239 transitions. [2018-11-18 18:44:34,302 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 239 transitions. [2018-11-18 18:44:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:44:34,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,319 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 18:44:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 149 states and 249 transitions. [2018-11-18 18:44:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 249 transitions. [2018-11-18 18:44:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 18:44:34,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,618 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 18:44:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 155 states and 262 transitions. [2018-11-18 18:44:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 262 transitions. [2018-11-18 18:44:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 18:44:34,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,728 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 18:44:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 159 states and 273 transitions. [2018-11-18 18:44:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 273 transitions. [2018-11-18 18:44:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 18:44:34,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,775 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 18:44:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 165 states and 287 transitions. [2018-11-18 18:44:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 287 transitions. [2018-11-18 18:44:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 18:44:34,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,882 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 18:44:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 296 transitions. [2018-11-18 18:44:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2018-11-18 18:44:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 18:44:34,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:34,984 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 18:44:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 180 states and 326 transitions. [2018-11-18 18:44:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 326 transitions. [2018-11-18 18:44:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 18:44:35,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:35,589 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 18:44:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 178 states and 322 transitions. [2018-11-18 18:44:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 322 transitions. [2018-11-18 18:44:35,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 18:44:35,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:35,802 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 18:44:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 181 states and 330 transitions. [2018-11-18 18:44:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 330 transitions. [2018-11-18 18:44:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 18:44:36,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:36,359 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 18:44:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 187 states and 343 transitions. [2018-11-18 18:44:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 343 transitions. [2018-11-18 18:44:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 18:44:36,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:36,869 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 18:44:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 196 states and 356 transitions. [2018-11-18 18:44:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 356 transitions. [2018-11-18 18:44:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:44:37,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:37,050 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 18:44:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 197 states and 358 transitions. [2018-11-18 18:44:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 358 transitions. [2018-11-18 18:44:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 18:44:37,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:37,123 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 18:44:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 200 states and 360 transitions. [2018-11-18 18:44:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 360 transitions. [2018-11-18 18:44:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 18:44:37,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:37,301 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 18:44:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 201 states and 362 transitions. [2018-11-18 18:44:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 362 transitions. [2018-11-18 18:44:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:44:37,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:37,374 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 18:44:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 363 transitions. [2018-11-18 18:44:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 363 transitions. [2018-11-18 18:44:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:44:37,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:37,404 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 18:44:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 214 states and 387 transitions. [2018-11-18 18:44:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 387 transitions. [2018-11-18 18:44:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 18:44:38,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:38,040 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 18:44:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 217 states and 389 transitions. [2018-11-18 18:44:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 389 transitions. [2018-11-18 18:44:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 18:44:38,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:38,194 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 18:44:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 225 states and 418 transitions. [2018-11-18 18:44:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 418 transitions. [2018-11-18 18:44:38,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 18:44:38,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:38,477 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 18:44:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 228 states and 421 transitions. [2018-11-18 18:44:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 421 transitions. [2018-11-18 18:44:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 18:44:38,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:38,861 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 18:44:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 238 states and 449 transitions. [2018-11-18 18:44:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 449 transitions. [2018-11-18 18:44:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 18:44:40,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:40,394 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 18:44:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 239 states and 450 transitions. [2018-11-18 18:44:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 450 transitions. [2018-11-18 18:44:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 18:44:40,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:40,671 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 18:44:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 256 states and 494 transitions. [2018-11-18 18:44:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 494 transitions. [2018-11-18 18:44:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 18:44:42,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:42,599 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 18:44:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 259 states and 499 transitions. [2018-11-18 18:44:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 499 transitions. [2018-11-18 18:44:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 18:44:42,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:42,839 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 18:44:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:42,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 260 states and 500 transitions. [2018-11-18 18:44:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 500 transitions. [2018-11-18 18:44:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 18:44:42,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:42,887 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 18:44:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 263 states and 505 transitions. [2018-11-18 18:44:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 505 transitions. [2018-11-18 18:44:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 18:44:42,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:43,051 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 18:44:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 506 transitions. [2018-11-18 18:44:43,066 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 506 transitions. [2018-11-18 18:44:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 18:44:43,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:43,210 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 18:44:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 265 states and 509 transitions. [2018-11-18 18:44:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 509 transitions. [2018-11-18 18:44:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 18:44:43,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:43,604 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 18:44:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 268 states and 514 transitions. [2018-11-18 18:44:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 514 transitions. [2018-11-18 18:44:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:44:43,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:43,944 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 18:44:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 277 states and 547 transitions. [2018-11-18 18:44:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 547 transitions. [2018-11-18 18:44:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:44:44,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:44,728 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 18:44:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 278 states and 548 transitions. [2018-11-18 18:44:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 548 transitions. [2018-11-18 18:44:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:44:44,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:44,870 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 18:44:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 281 states and 556 transitions. [2018-11-18 18:44:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 556 transitions. [2018-11-18 18:44:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:44:45,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 18:44:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 287 states and 577 transitions. [2018-11-18 18:44:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 577 transitions. [2018-11-18 18:44:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 18:44:45,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:45,735 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 18:44:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 308 states and 625 transitions. [2018-11-18 18:44:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 625 transitions. [2018-11-18 18:44:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:44:47,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:47,641 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 18:44:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 318 states and 646 transitions. [2018-11-18 18:44:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 646 transitions. [2018-11-18 18:44:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:44:48,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:48,536 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 18:44:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 321 states and 648 transitions. [2018-11-18 18:44:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 648 transitions. [2018-11-18 18:44:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 18:44:48,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:48,815 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 18:44:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 327 states and 656 transitions. [2018-11-18 18:44:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 656 transitions. [2018-11-18 18:44:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 18:44:49,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:49,114 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 18:44:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 330 states and 658 transitions. [2018-11-18 18:44:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 658 transitions. [2018-11-18 18:44:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:44:49,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:49,370 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 18:44:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 333 states and 660 transitions. [2018-11-18 18:44:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 660 transitions. [2018-11-18 18:44:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 18:44:49,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:49,690 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 18:44:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 334 states and 661 transitions. [2018-11-18 18:44:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 661 transitions. [2018-11-18 18:44:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 18:44:49,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:49,747 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 18:44:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 335 states and 662 transitions. [2018-11-18 18:44:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 662 transitions. [2018-11-18 18:44:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 18:44:49,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:49,802 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 18:44:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 336 states and 663 transitions. [2018-11-18 18:44:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 663 transitions. [2018-11-18 18:44:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 18:44:49,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:50,058 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 18:44:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 344 states and 687 transitions. [2018-11-18 18:44:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 687 transitions. [2018-11-18 18:44:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 18:44:51,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:51,046 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 18:44:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 347 states and 702 transitions. [2018-11-18 18:44:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 702 transitions. [2018-11-18 18:44:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 18:44:51,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 18:44:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 350 states and 713 transitions. [2018-11-18 18:44:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 713 transitions. [2018-11-18 18:44:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 18:44:52,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:52,087 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 18:44:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 353 states and 721 transitions. [2018-11-18 18:44:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 721 transitions. [2018-11-18 18:44:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 18:44:52,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:52,508 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 18:44:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 363 states and 749 transitions. [2018-11-18 18:44:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 749 transitions. [2018-11-18 18:44:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 18:44:53,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:53,523 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 18:44:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 368 states and 758 transitions. [2018-11-18 18:44:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 758 transitions. [2018-11-18 18:44:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 18:44:53,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:44:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 375 states and 784 transitions. [2018-11-18 18:44:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 784 transitions. [2018-11-18 18:44:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 18:44:55,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:44:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 382 states and 801 transitions. [2018-11-18 18:44:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 801 transitions. [2018-11-18 18:44:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 18:44:56,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:56,407 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 18:44:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 380 states and 778 transitions. [2018-11-18 18:44:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 778 transitions. [2018-11-18 18:44:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 18:44:56,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:56,703 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 18:44:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 381 states and 779 transitions. [2018-11-18 18:44:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 779 transitions. [2018-11-18 18:44:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 18:44:56,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 18:44:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 383 states and 791 transitions. [2018-11-18 18:44:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 791 transitions. [2018-11-18 18:44:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 18:44:57,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:57,429 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 18:44:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 381 states and 787 transitions. [2018-11-18 18:44:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 787 transitions. [2018-11-18 18:44:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 18:44:57,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:57,486 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 18:44:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 382 states and 790 transitions. [2018-11-18 18:44:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 790 transitions. [2018-11-18 18:44:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 18:44:57,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:57,775 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 18:44:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 383 states and 791 transitions. [2018-11-18 18:44:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 791 transitions. [2018-11-18 18:44:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 18:44:57,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:58,034 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 18:44:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 386 states and 793 transitions. [2018-11-18 18:44:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 793 transitions. [2018-11-18 18:44:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 18:44:58,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:58,215 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 18:44:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 389 states and 796 transitions. [2018-11-18 18:44:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 796 transitions. [2018-11-18 18:44:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 18:44:58,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:58,363 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 18:44:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 391 states and 798 transitions. [2018-11-18 18:44:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 798 transitions. [2018-11-18 18:44:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 18:44:58,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:58,419 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 18:44:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 385 states and 786 transitions. [2018-11-18 18:44:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 786 transitions. [2018-11-18 18:44:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 18:44:58,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:58,544 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 18:44:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 390 states and 796 transitions. [2018-11-18 18:44:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 796 transitions. [2018-11-18 18:44:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 18:44:59,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:59,094 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 18:44:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 391 states and 797 transitions. [2018-11-18 18:44:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 797 transitions. [2018-11-18 18:44:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 18:44:59,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:59,142 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 18:44:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:59,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 393 states and 800 transitions. [2018-11-18 18:44:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 800 transitions. [2018-11-18 18:44:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 18:44:59,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:59,174 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 18:44:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 398 states and 808 transitions. [2018-11-18 18:44:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 808 transitions. [2018-11-18 18:44:59,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 18:44:59,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:59,447 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 18:44:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:44:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 396 states and 804 transitions. [2018-11-18 18:44:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 804 transitions. [2018-11-18 18:44:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 18:44:59,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:44:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:44:59,600 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 18:45:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 404 states and 824 transitions. [2018-11-18 18:45:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 824 transitions. [2018-11-18 18:45:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 18:45:00,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,714 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 18:45:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 405 states and 825 transitions. [2018-11-18 18:45:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 825 transitions. [2018-11-18 18:45:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 18:45:00,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,767 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 18:45:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 406 states and 826 transitions. [2018-11-18 18:45:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 826 transitions. [2018-11-18 18:45:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 18:45:00,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,812 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 18:45:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 407 states and 827 transitions. [2018-11-18 18:45:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 827 transitions. [2018-11-18 18:45:00,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 18:45:00,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,882 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 18:45:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 401 states and 815 transitions. [2018-11-18 18:45:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 815 transitions. [2018-11-18 18:45:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 18:45:00,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,924 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 18:45:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 401 states and 814 transitions. [2018-11-18 18:45:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 814 transitions. [2018-11-18 18:45:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 18:45:00,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:00,998 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 18:45:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 392 states and 796 transitions. [2018-11-18 18:45:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 796 transitions. [2018-11-18 18:45:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 18:45:01,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:01,041 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 18:45:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 402 states and 809 transitions. [2018-11-18 18:45:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 809 transitions. [2018-11-18 18:45:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 18:45:02,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:02,442 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 18:45:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 400 states and 793 transitions. [2018-11-18 18:45:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 793 transitions. [2018-11-18 18:45:02,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 18:45:02,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 18:45:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 401 states and 796 transitions. [2018-11-18 18:45:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 796 transitions. [2018-11-18 18:45:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 18:45:03,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:45:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:45:03,074 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 18:45:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:45:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 188 states and 255 transitions. [2018-11-18 18:45:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 255 transitions. [2018-11-18 18:45:03,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:45:03,368 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-11-18 18:45:03,375 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:45:03,731 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,734 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,734 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,734 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 18:45:03,738 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,738 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,738 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 18:45:03,739 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 18:45:03,739 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,739 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:45:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:45:03 ImpRootNode [2018-11-18 18:45:03,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:45:03,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:45:03,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:45:03,744 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:45:03,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:44:31" (3/4) ... [2018-11-18 18:45:03,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:45:03,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 18:45:03,753 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 18:45:03,759 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-18 18:45:03,760 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 18:45:03,760 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 18:45:03,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2018-11-18 18:45:03,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 18:45:03,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6db803b-a42b-43fd-bb5b-26fc188d6e5a/bin-2019/ukojak/witness.graphml [2018-11-18 18:45:03,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:45:03,822 INFO L168 Benchmark]: Toolchain (without parser) took 33636.65 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 802.7 MB). Free memory was 955.5 MB in the beginning and 1.6 GB in the end (delta: -625.3 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,824 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:45:03,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:45:03,824 INFO L168 Benchmark]: Boogie Preprocessor took 26.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,824 INFO L168 Benchmark]: RCFGBuilder took 745.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,825 INFO L168 Benchmark]: CodeCheck took 32361.38 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 672.7 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -568.6 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,825 INFO L168 Benchmark]: Witness Printer took 78.05 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:45:03,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 96 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1094996384 SDtfs, 1118796000 SDslu, 879935728 SDs, 0 SdLazy, -702765156 SolverSat, -1697910952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 98.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55639 GetRequests, 54558 SyntacticMatches, 535 SemanticMatches, 546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178955 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 4745 NumberOfCodeBlocks, 4745 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 4657 ConstructedInterpolants, 0 QuantifiedInterpolants, 541938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 79 PerfectInterpolantSequences, 1916/1968 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: 871]: 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: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 745.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. * CodeCheck took 32361.38 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 672.7 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -568.6 MB). Peak memory consumption was 104.1 MB. Max. memory is 11.5 GB. * Witness Printer took 78.05 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...