./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:46:27,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:46:27,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:46:27,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:46:27,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:46:27,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:46:27,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:46:27,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:46:27,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:46:27,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:46:27,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:46:27,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:46:27,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:46:27,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:46:27,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:46:27,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:46:27,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:46:27,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:46:27,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:46:27,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:46:27,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:46:27,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:46:27,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:46:27,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:46:27,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:46:27,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:46:27,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:46:27,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:46:27,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:46:27,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:46:27,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:46:27,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:46:27,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:46:27,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:46:27,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:46:27,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:46:27,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:46:27,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:46:27,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:46:27,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:46:27,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:46:27,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:46:27,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:46:27,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:46:27,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:46:27,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:46:27,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:46:27,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:46:27,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:46:27,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:46:27,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:46:27,904 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:46:27,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:46:27,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:46:27,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:46:27,904 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:46:27,905 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:46:27,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:46:27,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:46:27,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:46:27,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:46:27,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:46:27,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:46:27,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:46:27,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:46:27,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:46:27,906 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_3aac131b-3d15-47eb-a1a4-5894bc613a4f/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2019-11-20 06:46:28,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:46:28,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:46:28,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:46:28,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:46:28,076 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:46:28,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-11-20 06:46:28,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/data/57f9bc994/b5d8b1e32db6401b8864084a5eb71a2c/FLAG028489662 [2019-11-20 06:46:28,618 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:46:28,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-11-20 06:46:28,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/data/57f9bc994/b5d8b1e32db6401b8864084a5eb71a2c/FLAG028489662 [2019-11-20 06:46:29,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/data/57f9bc994/b5d8b1e32db6401b8864084a5eb71a2c [2019-11-20 06:46:29,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:46:29,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:46:29,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:46:29,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:46:29,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:46:29,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3440089a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29, skipping insertion in model container [2019-11-20 06:46:29,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,112 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:46:29,163 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:46:29,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:46:29,489 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:46:29,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:46:29,641 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:46:29,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29 WrapperNode [2019-11-20 06:46:29,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:46:29,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:46:29,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:46:29,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:46:29,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:46:29,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:46:29,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:46:29,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:46:29,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... [2019-11-20 06:46:29,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:46:29,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:46:29,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:46:29,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:46:29,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/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 06:46:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:46:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 06:46:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 06:46:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 06:46:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 06:46:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 06:46:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 06:46:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:46:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:46:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 06:46:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 06:46:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 06:46:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 06:46:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:46:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 06:46:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 06:46:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:46:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:46:30,759 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:46:30,759 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 06:46:30,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:30 BoogieIcfgContainer [2019-11-20 06:46:30,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:46:30,761 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:46:30,761 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:46:30,770 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:46:30,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:30" (1/1) ... [2019-11-20 06:46:30,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:46:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2019-11-20 06:46:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2019-11-20 06:46:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:46:30,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,058 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 06:46:31,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2019-11-20 06:46:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2019-11-20 06:46:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 06:46:31,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,208 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 06:46:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2019-11-20 06:46:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2019-11-20 06:46:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:46:31,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,331 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 06:46:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2019-11-20 06:46:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2019-11-20 06:46:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:46:31,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,515 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 06:46:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-11-20 06:46:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-11-20 06:46:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:46:31,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,567 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 06:46:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2019-11-20 06:46:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-20 06:46:31,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:46:31,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,615 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 06:46:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2019-11-20 06:46:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-11-20 06:46:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:46:31,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:31,684 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 06:46:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2019-11-20 06:46:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2019-11-20 06:46:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 06:46:32,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:32,402 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 06:46:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 99 states and 169 transitions. [2019-11-20 06:46:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2019-11-20 06:46:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:46:33,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:33,379 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 06:46:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2019-11-20 06:46:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2019-11-20 06:46:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:46:33,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:33,444 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 06:46:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 179 transitions. [2019-11-20 06:46:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2019-11-20 06:46:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:46:33,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:33,674 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 06:46:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 180 transitions. [2019-11-20 06:46:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2019-11-20 06:46:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:46:33,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:33,797 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 06:46:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2019-11-20 06:46:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2019-11-20 06:46:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 06:46:33,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 205 transitions. [2019-11-20 06:46:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2019-11-20 06:46:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 06:46:34,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2019-11-20 06:46:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2019-11-20 06:46:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:34,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 209 transitions. [2019-11-20 06:46:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 209 transitions. [2019-11-20 06:46:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:34,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 212 transitions. [2019-11-20 06:46:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2019-11-20 06:46:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:46:34,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 124 states and 217 transitions. [2019-11-20 06:46:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2019-11-20 06:46:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:35,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 125 states and 218 transitions. [2019-11-20 06:46:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 218 transitions. [2019-11-20 06:46:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:35,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 127 states and 220 transitions. [2019-11-20 06:46:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2019-11-20 06:46:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:46:35,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:46:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 138 states and 260 transitions. [2019-11-20 06:46:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 260 transitions. [2019-11-20 06:46:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:46:35,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:46:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 140 states and 262 transitions. [2019-11-20 06:46:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 262 transitions. [2019-11-20 06:46:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:36,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 154 states and 302 transitions. [2019-11-20 06:46:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 302 transitions. [2019-11-20 06:46:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:37,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 162 states and 333 transitions. [2019-11-20 06:46:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 333 transitions. [2019-11-20 06:46:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:40,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 339 transitions. [2019-11-20 06:46:40,995 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 339 transitions. [2019-11-20 06:46:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:46:40,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 06:46:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 165 states and 339 transitions. [2019-11-20 06:46:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 339 transitions. [2019-11-20 06:46:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 06:46:41,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 166 states and 340 transitions. [2019-11-20 06:46:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 340 transitions. [2019-11-20 06:46:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:46:41,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 167 states and 345 transitions. [2019-11-20 06:46:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 345 transitions. [2019-11-20 06:46:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 06:46:41,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:46:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 168 states and 346 transitions. [2019-11-20 06:46:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 346 transitions. [2019-11-20 06:46:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 06:46:41,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:46:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 169 states and 347 transitions. [2019-11-20 06:46:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 347 transitions. [2019-11-20 06:46:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:46:41,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 170 states and 348 transitions. [2019-11-20 06:46:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 348 transitions. [2019-11-20 06:46:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:46:41,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 171 states and 349 transitions. [2019-11-20 06:46:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 349 transitions. [2019-11-20 06:46:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:46:41,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 172 states and 350 transitions. [2019-11-20 06:46:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 350 transitions. [2019-11-20 06:46:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 06:46:41,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 175 states and 359 transitions. [2019-11-20 06:46:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 359 transitions. [2019-11-20 06:46:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:46:42,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:46:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 176 states and 359 transitions. [2019-11-20 06:46:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 359 transitions. [2019-11-20 06:46:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 06:46:42,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 176 states and 355 transitions. [2019-11-20 06:46:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 355 transitions. [2019-11-20 06:46:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 06:46:43,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 177 states and 360 transitions. [2019-11-20 06:46:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 360 transitions. [2019-11-20 06:46:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 06:46:43,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 179 states and 364 transitions. [2019-11-20 06:46:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 364 transitions. [2019-11-20 06:46:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 06:46:43,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 06:46:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 181 states and 367 transitions. [2019-11-20 06:46:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2019-11-20 06:46:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 06:46:44,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 182 states and 364 transitions. [2019-11-20 06:46:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 364 transitions. [2019-11-20 06:46:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 06:46:45,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 182 states and 360 transitions. [2019-11-20 06:46:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 360 transitions. [2019-11-20 06:46:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 06:46:46,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 06:46:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 184 states and 366 transitions. [2019-11-20 06:46:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 366 transitions. [2019-11-20 06:46:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 06:46:46,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 06:46:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 184 states and 359 transitions. [2019-11-20 06:46:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 359 transitions. [2019-11-20 06:46:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 06:46:47,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:46:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 188 states and 366 transitions. [2019-11-20 06:46:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 366 transitions. [2019-11-20 06:46:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 06:46:47,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:46:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 189 states and 366 transitions. [2019-11-20 06:46:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 366 transitions. [2019-11-20 06:46:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 06:46:47,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:46:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 190 states and 367 transitions. [2019-11-20 06:46:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 367 transitions. [2019-11-20 06:46:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 06:46:47,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:46:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 356 transitions. [2019-11-20 06:46:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 356 transitions. [2019-11-20 06:46:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 06:46:47,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:46:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 186 states and 358 transitions. [2019-11-20 06:46:48,039 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 358 transitions. [2019-11-20 06:46:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 06:46:48,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 06:46:48,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 171 states and 329 transitions. [2019-11-20 06:46:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2019-11-20 06:46:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 06:46:48,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:46:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 178 states and 340 transitions. [2019-11-20 06:46:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 340 transitions. [2019-11-20 06:46:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 06:46:48,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 06:46:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 182 states and 348 transitions. [2019-11-20 06:46:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2019-11-20 06:46:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 06:46:49,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:46:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 06:46:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:46:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 87 states and 140 transitions. [2019-11-20 06:46:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2019-11-20 06:46:50,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:46:50,256 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2019-11-20 06:46:50,264 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 06:46:50,598 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 06:46:50,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,605 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,606 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,606 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,609 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,609 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,609 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,609 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 06:46:50,612 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,612 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:46:50,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:46:50 ImpRootNode [2019-11-20 06:46:50,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:46:50,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:46:50,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:46:50,614 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:46:50,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:30" (3/4) ... [2019-11-20 06:46:50,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:46:50,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 06:46:50,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 06:46:50,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 06:46:50,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 06:46:50,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 06:46:50,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:46:50,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 06:46:50,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-11-20 06:46:50,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 06:46:50,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 06:46:50,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 06:46:50,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:46:50,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:46:50,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (1 == systemActive && !(1 == waterLevel)) [2019-11-20 06:46:50,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3aac131b-3d15-47eb-a1a4-5894bc613a4f/bin/ukojak/witness.graphml [2019-11-20 06:46:50,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:46:50,716 INFO L168 Benchmark]: Toolchain (without parser) took 21615.27 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.5 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -303.4 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,716 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:46:50,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -218.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:46:50,717 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,717 INFO L168 Benchmark]: RCFGBuilder took 1030.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,718 INFO L168 Benchmark]: CodeCheck took 19851.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,718 INFO L168 Benchmark]: Witness Printer took 100.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:50,720 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 19.4s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1139065236 SDtfs, 1169600308 SDslu, -1249219760 SDs, 0 SdLazy, 1281815746 SolverSat, -1618150562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19834 GetRequests, 19327 SyntacticMatches, 223 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37995 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1711 ConstructedInterpolants, 0 QuantifiedInterpolants, 150564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 43 PerfectInterpolantSequences, 576/614 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: 82]: 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: 173]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (1 == systemActive && !(1 == waterLevel)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -218.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1030.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 19851.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 100.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...