./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:26:36,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:26:36,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:26:36,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:26:36,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:26:36,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:26:36,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:26:36,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:26:36,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:26:36,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:26:36,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:26:36,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:26:36,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:26:36,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:26:36,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:26:36,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:26:36,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:26:36,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:26:36,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:26:36,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:26:36,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:26:36,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:26:36,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:26:36,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:26:36,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:26:36,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:26:36,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:26:36,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:26:36,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:26:36,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:26:36,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:26:36,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:26:36,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:26:36,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:26:36,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:26:36,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:26:36,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:26:36,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:26:36,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:26:36,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:26:36,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:26:36,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:26:36,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:26:36,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:26:36,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:26:36,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:26:36,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:26:36,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:26:36,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:26:36,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:26:36,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:26:36,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:26:36,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:26:36,910 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:26:36,910 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:26:36,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:26:36,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:26:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:26:36,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:26:36,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:26:36,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:26:36,911 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:26:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:26:36,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:26:36,912 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_9554dfe3-5b41-40af-a8fb-3503613993dd/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-12-02 06:26:37,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:26:37,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:26:37,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:26:37,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:26:37,028 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:26:37,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-02 06:26:37,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/data/f724fd6ad/4baec6193e1e44949a1142d8c6895df8/FLAG68e1644c0 [2019-12-02 06:26:37,540 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:26:37,540 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-12-02 06:26:37,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/data/f724fd6ad/4baec6193e1e44949a1142d8c6895df8/FLAG68e1644c0 [2019-12-02 06:26:37,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/data/f724fd6ad/4baec6193e1e44949a1142d8c6895df8 [2019-12-02 06:26:37,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:26:37,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:26:37,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:26:37,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:26:37,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:26:37,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881d7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37, skipping insertion in model container [2019-12-02 06:26:37,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:26:37,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:26:37,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:26:37,804 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:26:37,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:26:37,867 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:26:37,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37 WrapperNode [2019-12-02 06:26:37,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:26:37,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:26:37,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:26:37,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:26:37,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:26:37,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:26:37,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:26:37,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:26:37,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... [2019-12-02 06:26:37,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:26:37,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:26:37,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:26:37,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:26:37,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/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 [2019-12-02 06:26:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 06:26:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 06:26:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 06:26:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 06:26:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 06:26:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 06:26:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 06:26:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 06:26:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 06:26:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-02 06:26:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-02 06:26:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 06:26:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 06:26:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 06:26:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:26:37,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:26:38,531 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:26:38,531 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-02 06:26:38,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:38 BoogieIcfgContainer [2019-12-02 06:26:38,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:26:38,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:26:38,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:26:38,541 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:26:38,541 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:38" (1/1) ... [2019-12-02 06:26:38,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:26:38,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-12-02 06:26:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-12-02 06:26:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:26:38,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-12-02 06:26:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-12-02 06:26:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:26:38,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-12-02 06:26:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-12-02 06:26:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:26:38,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2019-12-02 06:26:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-12-02 06:26:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:26:38,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-12-02 06:26:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-12-02 06:26:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 06:26:39,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-12-02 06:26:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-12-02 06:26:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 06:26:39,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-12-02 06:26:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-12-02 06:26:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 06:26:39,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2019-12-02 06:26:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2019-12-02 06:26:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 06:26:39,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2019-12-02 06:26:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2019-12-02 06:26:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 06:26:39,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2019-12-02 06:26:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2019-12-02 06:26:40,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-02 06:26:40,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 170 transitions. [2019-12-02 06:26:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 170 transitions. [2019-12-02 06:26:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 06:26:40,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2019-12-02 06:26:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2019-12-02 06:26:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-02 06:26:40,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 108 states and 192 transitions. [2019-12-02 06:26:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 192 transitions. [2019-12-02 06:26:40,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:40,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 113 states and 201 transitions. [2019-12-02 06:26:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 201 transitions. [2019-12-02 06:26:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:40,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 202 transitions. [2019-12-02 06:26:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 202 transitions. [2019-12-02 06:26:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 06:26:40,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 204 transitions. [2019-12-02 06:26:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 204 transitions. [2019-12-02 06:26:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 06:26:40,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 118 states and 210 transitions. [2019-12-02 06:26:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2019-12-02 06:26:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 06:26:40,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 133 states and 251 transitions. [2019-12-02 06:26:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 251 transitions. [2019-12-02 06:26:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:41,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:26:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 145 states and 282 transitions. [2019-12-02 06:26:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 282 transitions. [2019-12-02 06:26:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:42,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:26:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 147 states and 284 transitions. [2019-12-02 06:26:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2019-12-02 06:26:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 06:26:42,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 156 states and 320 transitions. [2019-12-02 06:26:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 320 transitions. [2019-12-02 06:26:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 06:26:44,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 158 states and 327 transitions. [2019-12-02 06:26:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 327 transitions. [2019-12-02 06:26:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:44,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 328 transitions. [2019-12-02 06:26:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 328 transitions. [2019-12-02 06:26:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:44,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 160 states and 329 transitions. [2019-12-02 06:26:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 329 transitions. [2019-12-02 06:26:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 06:26:44,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:26:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 330 transitions. [2019-12-02 06:26:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 330 transitions. [2019-12-02 06:26:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 06:26:44,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:26:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 331 transitions. [2019-12-02 06:26:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 331 transitions. [2019-12-02 06:26:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:44,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 163 states and 332 transitions. [2019-12-02 06:26:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 332 transitions. [2019-12-02 06:26:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:26:44,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 166 states and 331 transitions. [2019-12-02 06:26:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 331 transitions. [2019-12-02 06:26:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:45,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:47,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 175 states and 357 transitions. [2019-12-02 06:26:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 357 transitions. [2019-12-02 06:26:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:47,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 358 transitions. [2019-12-02 06:26:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 358 transitions. [2019-12-02 06:26:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:26:47,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 185 states and 389 transitions. [2019-12-02 06:26:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 389 transitions. [2019-12-02 06:26:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:26:48,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 189 states and 404 transitions. [2019-12-02 06:26:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 404 transitions. [2019-12-02 06:26:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:26:49,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 187 states and 397 transitions. [2019-12-02 06:26:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 397 transitions. [2019-12-02 06:26:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:26:49,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 192 states and 406 transitions. [2019-12-02 06:26:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 406 transitions. [2019-12-02 06:26:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:26:49,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 193 states and 407 transitions. [2019-12-02 06:26:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 407 transitions. [2019-12-02 06:26:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:26:49,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 194 states and 408 transitions. [2019-12-02 06:26:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 408 transitions. [2019-12-02 06:26:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 06:26:49,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 195 states and 416 transitions. [2019-12-02 06:26:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 416 transitions. [2019-12-02 06:26:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 06:26:51,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 200 states and 420 transitions. [2019-12-02 06:26:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 420 transitions. [2019-12-02 06:26:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 06:26:52,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:26:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 201 states and 421 transitions. [2019-12-02 06:26:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 421 transitions. [2019-12-02 06:26:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 06:26:52,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:26:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 202 states and 421 transitions. [2019-12-02 06:26:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 421 transitions. [2019-12-02 06:26:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 06:26:52,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:26:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 203 states and 422 transitions. [2019-12-02 06:26:53,065 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 422 transitions. [2019-12-02 06:26:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 06:26:53,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 06:26:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 208 states and 429 transitions. [2019-12-02 06:26:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 429 transitions. [2019-12-02 06:26:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 06:26:53,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:26:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 197 states and 406 transitions. [2019-12-02 06:26:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 406 transitions. [2019-12-02 06:26:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 06:26:53,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:26:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 201 states and 413 transitions. [2019-12-02 06:26:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 413 transitions. [2019-12-02 06:26:53,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-02 06:26:53,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:26:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 204 states and 417 transitions. [2019-12-02 06:26:54,185 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 417 transitions. [2019-12-02 06:26:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-02 06:26:54,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:26:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 205 states and 417 transitions. [2019-12-02 06:26:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 417 transitions. [2019-12-02 06:26:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 06:26:54,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 06:26:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 413 transitions. [2019-12-02 06:26:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2019-12-02 06:26:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 06:26:54,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 06:26:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 200 states and 406 transitions. [2019-12-02 06:26:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 406 transitions. [2019-12-02 06:26:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 06:26:54,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:26:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 198 states and 402 transitions. [2019-12-02 06:26:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 402 transitions. [2019-12-02 06:26:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 06:26:54,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 06:26:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 191 states and 382 transitions. [2019-12-02 06:26:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 382 transitions. [2019-12-02 06:26:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 06:26:54,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:26:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 192 states and 383 transitions. [2019-12-02 06:26:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 383 transitions. [2019-12-02 06:26:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-02 06:26:54,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-12-02 06:26:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 195 states and 384 transitions. [2019-12-02 06:26:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 384 transitions. [2019-12-02 06:26:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-02 06:26:55,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 06:26:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 197 states and 385 transitions. [2019-12-02 06:26:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 385 transitions. [2019-12-02 06:26:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 06:26:55,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:26:56,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 197 states and 380 transitions. [2019-12-02 06:26:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 380 transitions. [2019-12-02 06:26:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 06:26:56,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:26:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 101 states and 175 transitions. [2019-12-02 06:26:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 175 transitions. [2019-12-02 06:26:57,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:26:57,276 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2019-12-02 06:26:57,282 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 06:26:57,537 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,540 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,541 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,541 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-02 06:26:57,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,544 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,544 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-12-02 06:26:57,545 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,545 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:26:57,546 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-02 06:26:57,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:26:57 ImpRootNode [2019-12-02 06:26:57,546 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:26:57,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:26:57,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:26:57,546 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:26:57,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:26:38" (3/4) ... [2019-12-02 06:26:57,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:26:57,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-02 06:26:57,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-02 06:26:57,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-02 06:26:57,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-02 06:26:57,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-02 06:26:57,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-02 06:26:57,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-02 06:26:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-02 06:26:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-02 06:26:57,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 06:26:57,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 06:26:57,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 06:26:57,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 06:26:57,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel)))) || !(pumpRunning == 0) [2019-12-02 06:26:57,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) && !(0 == waterLevel)) && !(0 == systemActive)) || ((\old(waterLevel) <= 0 && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-12-02 06:26:57,603 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9554dfe3-5b41-40af-a8fb-3503613993dd/bin/ukojak/witness.graphml [2019-12-02 06:26:57,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:26:57,604 INFO L168 Benchmark]: Toolchain (without parser) took 20044.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.2 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 331.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,604 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:26:57,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:26:57,605 INFO L168 Benchmark]: Boogie Preprocessor took 21.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,605 INFO L168 Benchmark]: RCFGBuilder took 606.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,605 INFO L168 Benchmark]: CodeCheck took 19011.91 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 292.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -33.0 MB). Peak memory consumption was 259.6 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,606 INFO L168 Benchmark]: Witness Printer took 56.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-02 06:26:57,607 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 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 18.7s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -935067000 SDtfs, 718270616 SDslu, 1881886760 SDs, 0 SdLazy, -1846516392 SolverSat, -945799480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23730 GetRequests, 23104 SyntacticMatches, 268 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59287 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2037 NumberOfCodeBlocks, 2037 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1983 ConstructedInterpolants, 0 QuantifiedInterpolants, 203788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 36 PerfectInterpolantSequences, 758/834 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel)))) || !(pumpRunning == 0) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) && !(0 == waterLevel)) && !(0 == systemActive)) || ((\old(waterLevel) <= 0 && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 606.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * CodeCheck took 19011.91 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 292.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -33.0 MB). Peak memory consumption was 259.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...