./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:27:29,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:27:29,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:27:29,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:27:29,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:27:29,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:27:29,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:27:29,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:27:29,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:27:29,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:27:29,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:27:29,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:27:29,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:27:29,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:27:29,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:27:29,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:27:29,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:27:29,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:27:29,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:27:29,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:27:29,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:27:29,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:27:29,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:27:29,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:27:29,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:27:29,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:27:29,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:27:29,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:27:29,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:27:29,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:27:29,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:27:29,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:27:29,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:27:29,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:27:29,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:27:29,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:27:29,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:27:29,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:27:29,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:27:29,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:27:29,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:27:29,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:27:29,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:27:29,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:27:29,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:27:29,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:27:29,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:27:29,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:27:29,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:27:29,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:27:29,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:27:29,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:27:29,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:27:29,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:27:29,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:27:29,830 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:27:29,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:27:29,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:27:29,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:27:29,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:27:29,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:27:29,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-11-20 05:27:29,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:27:29,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:27:29,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:27:29,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:27:29,987 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:27:29,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-20 05:27:30,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/data/1c147a52e/096dafd2aae843d1b4021dda1b8a8a67/FLAG68764b208 [2019-11-20 05:27:30,508 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:27:30,514 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-11-20 05:27:30,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/data/1c147a52e/096dafd2aae843d1b4021dda1b8a8a67/FLAG68764b208 [2019-11-20 05:27:30,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/data/1c147a52e/096dafd2aae843d1b4021dda1b8a8a67 [2019-11-20 05:27:30,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:27:30,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:27:30,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:27:30,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:27:30,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:27:30,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:30" (1/1) ... [2019-11-20 05:27:30,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240d64b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:30, skipping insertion in model container [2019-11-20 05:27:30,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:30" (1/1) ... [2019-11-20 05:27:30,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:27:30,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:27:31,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:27:31,335 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:27:31,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:27:31,469 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:27:31,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31 WrapperNode [2019-11-20 05:27:31,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:27:31,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:27:31,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:27:31,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:27:31,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:27:31,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:27:31,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:27:31,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:27:31,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... [2019-11-20 05:27:31,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:27:31,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:27:31,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:27:31,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:27:31,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/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 [2019-11-20 05:27:31,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:27:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 05:27:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 05:27:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 05:27:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 05:27:31,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 05:27:31,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 05:27:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 05:27:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 05:27:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 05:27:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 05:27:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 05:27:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 05:27:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 05:27:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 05:27:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 05:27:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:27:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:27:32,535 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:27:32,536 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 05:27:32,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:32 BoogieIcfgContainer [2019-11-20 05:27:32,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:27:32,538 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:27:32,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:27:32,549 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:27:32,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:32" (1/1) ... [2019-11-20 05:27:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:27:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-11-20 05:27:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-11-20 05:27:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 05:27:32,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-11-20 05:27:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-11-20 05:27:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:27:32,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-20 05:27:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 05:27:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 05:27:33,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2019-11-20 05:27:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2019-11-20 05:27:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:27:33,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2019-11-20 05:27:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2019-11-20 05:27:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:27:33,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-11-20 05:27:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-11-20 05:27:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:27:34,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2019-11-20 05:27:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2019-11-20 05:27:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:27:34,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-11-20 05:27:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-11-20 05:27:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:27:34,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 98 states and 159 transitions. [2019-11-20 05:27:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2019-11-20 05:27:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:27:34,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 160 transitions. [2019-11-20 05:27:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2019-11-20 05:27:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:27:35,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 161 transitions. [2019-11-20 05:27:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2019-11-20 05:27:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 05:27:35,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 166 transitions. [2019-11-20 05:27:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2019-11-20 05:27:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:27:35,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 108 states and 174 transitions. [2019-11-20 05:27:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2019-11-20 05:27:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:27:35,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 112 states and 183 transitions. [2019-11-20 05:27:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2019-11-20 05:27:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:27:35,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 117 states and 197 transitions. [2019-11-20 05:27:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2019-11-20 05:27:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:27:36,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 197 transitions. [2019-11-20 05:27:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2019-11-20 05:27:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:27:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 208 transitions. [2019-11-20 05:27:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2019-11-20 05:27:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 05:27:36,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2019-11-20 05:27:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2019-11-20 05:27:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:27:36,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2019-11-20 05:27:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2019-11-20 05:27:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 05:27:36,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:27:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 218 transitions. [2019-11-20 05:27:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2019-11-20 05:27:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:27:36,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 237 transitions. [2019-11-20 05:27:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2019-11-20 05:27:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:27:37,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2019-11-20 05:27:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2019-11-20 05:27:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:27:37,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 234 transitions. [2019-11-20 05:27:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 234 transitions. [2019-11-20 05:27:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:27:37,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 05:27:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 141 states and 248 transitions. [2019-11-20 05:27:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-11-20 05:27:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:27:38,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 255 transitions. [2019-11-20 05:27:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 255 transitions. [2019-11-20 05:27:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:27:39,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 150 states and 269 transitions. [2019-11-20 05:27:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2019-11-20 05:27:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:27:40,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:40,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 160 states and 293 transitions. [2019-11-20 05:27:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2019-11-20 05:27:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:27:40,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:27:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 167 states and 306 transitions. [2019-11-20 05:27:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 306 transitions. [2019-11-20 05:27:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 05:27:41,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:27:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 169 states and 307 transitions. [2019-11-20 05:27:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2019-11-20 05:27:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:27:41,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 170 states and 308 transitions. [2019-11-20 05:27:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2019-11-20 05:27:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 05:27:41,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 171 states and 316 transitions. [2019-11-20 05:27:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 316 transitions. [2019-11-20 05:27:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:27:41,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 172 states and 316 transitions. [2019-11-20 05:27:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2019-11-20 05:27:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:27:41,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 187 states and 359 transitions. [2019-11-20 05:27:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 359 transitions. [2019-11-20 05:27:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:27:43,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 190 states and 364 transitions. [2019-11-20 05:27:43,640 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 364 transitions. [2019-11-20 05:27:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:27:43,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 191 states and 365 transitions. [2019-11-20 05:27:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 365 transitions. [2019-11-20 05:27:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:27:43,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 192 states and 366 transitions. [2019-11-20 05:27:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2019-11-20 05:27:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:27:43,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:27:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 193 states and 367 transitions. [2019-11-20 05:27:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 367 transitions. [2019-11-20 05:27:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:27:43,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 05:27:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 195 states and 368 transitions. [2019-11-20 05:27:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 368 transitions. [2019-11-20 05:27:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:27:44,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 196 states and 369 transitions. [2019-11-20 05:27:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 369 transitions. [2019-11-20 05:27:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:27:44,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 197 states and 370 transitions. [2019-11-20 05:27:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 370 transitions. [2019-11-20 05:27:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:27:44,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 200 states and 379 transitions. [2019-11-20 05:27:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 379 transitions. [2019-11-20 05:27:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:27:44,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 216 states and 428 transitions. [2019-11-20 05:27:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 428 transitions. [2019-11-20 05:27:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:27:47,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 218 states and 429 transitions. [2019-11-20 05:27:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 429 transitions. [2019-11-20 05:27:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:27:47,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 228 states and 446 transitions. [2019-11-20 05:27:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 446 transitions. [2019-11-20 05:27:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:27:49,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 230 states and 448 transitions. [2019-11-20 05:27:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 448 transitions. [2019-11-20 05:27:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:27:49,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:27:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 231 states and 448 transitions. [2019-11-20 05:27:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 448 transitions. [2019-11-20 05:27:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:27:49,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:27:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 462 transitions. [2019-11-20 05:27:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 462 transitions. [2019-11-20 05:27:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:27:51,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 239 states and 455 transitions. [2019-11-20 05:27:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 455 transitions. [2019-11-20 05:27:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:27:52,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 240 states and 456 transitions. [2019-11-20 05:27:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 456 transitions. [2019-11-20 05:27:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 05:27:52,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 241 states and 457 transitions. [2019-11-20 05:27:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 457 transitions. [2019-11-20 05:27:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:27:52,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 242 states and 458 transitions. [2019-11-20 05:27:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 458 transitions. [2019-11-20 05:27:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:27:52,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:27:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 244 states and 460 transitions. [2019-11-20 05:27:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 460 transitions. [2019-11-20 05:27:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:27:52,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:27:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 245 states and 461 transitions. [2019-11-20 05:27:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 461 transitions. [2019-11-20 05:27:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:27:52,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:27:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 248 states and 465 transitions. [2019-11-20 05:27:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 465 transitions. [2019-11-20 05:27:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:27:52,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:27:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 252 states and 472 transitions. [2019-11-20 05:27:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 472 transitions. [2019-11-20 05:27:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:27:53,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:27:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 260 states and 487 transitions. [2019-11-20 05:27:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 487 transitions. [2019-11-20 05:27:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:27:55,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 05:27:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 261 states and 487 transitions. [2019-11-20 05:27:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 487 transitions. [2019-11-20 05:27:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:27:55,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:27:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 266 states and 497 transitions. [2019-11-20 05:27:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 497 transitions. [2019-11-20 05:27:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:27:56,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:27:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:56,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 493 transitions. [2019-11-20 05:27:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 493 transitions. [2019-11-20 05:27:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:27:56,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:27:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 265 states and 496 transitions. [2019-11-20 05:27:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 496 transitions. [2019-11-20 05:27:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:27:56,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 05:27:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 267 states and 497 transitions. [2019-11-20 05:27:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 497 transitions. [2019-11-20 05:27:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:27:58,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:27:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 268 states and 497 transitions. [2019-11-20 05:27:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 497 transitions. [2019-11-20 05:27:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:27:58,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:27:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 270 states and 500 transitions. [2019-11-20 05:27:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 500 transitions. [2019-11-20 05:27:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:27:58,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 05:27:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 272 states and 502 transitions. [2019-11-20 05:27:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 502 transitions. [2019-11-20 05:27:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:27:58,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:27:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 270 states and 498 transitions. [2019-11-20 05:27:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 498 transitions. [2019-11-20 05:27:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:27:59,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:27:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 276 states and 510 transitions. [2019-11-20 05:27:59,363 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 510 transitions. [2019-11-20 05:27:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:27:59,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:27:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 277 states and 510 transitions. [2019-11-20 05:27:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 510 transitions. [2019-11-20 05:27:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:27:59,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 05:27:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 278 states and 510 transitions. [2019-11-20 05:27:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 510 transitions. [2019-11-20 05:27:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:27:59,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:27:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 278 states and 509 transitions. [2019-11-20 05:27:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 509 transitions. [2019-11-20 05:27:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:27:59,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 05:27:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 280 states and 512 transitions. [2019-11-20 05:27:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 512 transitions. [2019-11-20 05:27:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:27:59,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 05:27:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:27:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 271 states and 495 transitions. [2019-11-20 05:27:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 495 transitions. [2019-11-20 05:27:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:27:59,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:27:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:27:59,876 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:28:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 273 states and 496 transitions. [2019-11-20 05:28:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 496 transitions. [2019-11-20 05:28:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:28:00,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 05:28:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 274 states and 497 transitions. [2019-11-20 05:28:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 497 transitions. [2019-11-20 05:28:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:28:00,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 05:28:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 266 states and 480 transitions. [2019-11-20 05:28:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 480 transitions. [2019-11-20 05:28:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:28:00,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 05:28:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 253 states and 457 transitions. [2019-11-20 05:28:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 457 transitions. [2019-11-20 05:28:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 05:28:00,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:28:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 258 states and 469 transitions. [2019-11-20 05:28:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 469 transitions. [2019-11-20 05:28:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:28:01,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:28:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 260 states and 470 transitions. [2019-11-20 05:28:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 470 transitions. [2019-11-20 05:28:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:28:01,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:28:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 261 states and 471 transitions. [2019-11-20 05:28:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 471 transitions. [2019-11-20 05:28:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:28:01,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 05:28:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 259 states and 465 transitions. [2019-11-20 05:28:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 465 transitions. [2019-11-20 05:28:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:28:02,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:28:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:28:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 05:28:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:28:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 131 states and 190 transitions. [2019-11-20 05:28:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-11-20 05:28:02,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:28:02,687 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 80 iterations. [2019-11-20 05:28:02,702 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 05:28:03,140 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 05:28:03,146 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,147 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-11-20 05:28:03,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,148 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 05:28:03,150 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,150 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,150 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,150 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 05:28:03,151 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,151 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:28:03,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:28:03 ImpRootNode [2019-11-20 05:28:03,152 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:28:03,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:28:03,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:28:03,152 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:28:03,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:32" (3/4) ... [2019-11-20 05:28:03,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:28:03,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 05:28:03,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 05:28:03,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 05:28:03,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 05:28:03,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 05:28:03,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 05:28:03,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 05:28:03,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 05:28:03,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 05:28:03,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 05:28:03,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:28:03,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:28:03,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:28:03,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-11-20 05:28:03,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-20 05:28:03,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp) || 0 == systemActive [2019-11-20 05:28:03,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_60d99dfb-7e77-444a-b32e-47f9f9d66dd7/bin/ukojak/witness.graphml [2019-11-20 05:28:03,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:28:03,258 INFO L168 Benchmark]: Toolchain (without parser) took 32404.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 519.0 MB). Free memory was 951.4 MB in the beginning and 937.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 533.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,258 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:28:03,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,259 INFO L168 Benchmark]: Boogie Preprocessor took 31.81 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. [2019-11-20 05:28:03,260 INFO L168 Benchmark]: RCFGBuilder took 981.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,262 INFO L168 Benchmark]: CodeCheck took 30614.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 372.2 MB). Free memory was 1.1 GB in the beginning and 941.7 MB in the end (delta: 111.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,262 INFO L168 Benchmark]: Witness Printer took 104.11 ms. Allocated memory is still 1.5 GB. Free memory was 941.7 MB in the beginning and 937.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:28:03,264 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 30.1s, OverallIterations: 80, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1400764272 SDtfs, -516967032 SDslu, 1659299672 SDs, 0 SdLazy, -2080100438 SolverSat, 1860429446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40560 GetRequests, 39817 SyntacticMatches, 375 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60890 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3772 NumberOfCodeBlocks, 3772 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 3693 ConstructedInterpolants, 0 QuantifiedInterpolants, 403817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 52 PerfectInterpolantSequences, 1502/1692 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 940]: 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: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) || methaneLevelCritical == tmp) || !(pumpRunning == \old(pumpRunning))) || 0 == tmp) || 0 == systemActive - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 615.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 981.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 30614.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 372.2 MB). Free memory was 1.1 GB in the beginning and 941.7 MB in the end (delta: 111.7 MB). Peak memory consumption was 484.0 MB. Max. memory is 11.5 GB. * Witness Printer took 104.11 ms. Allocated memory is still 1.5 GB. Free memory was 941.7 MB in the beginning and 937.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...