./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 15:04:26,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:04:26,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:04:26,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:04:26,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:04:26,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:04:26,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:04:26,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:04:26,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:04:26,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:04:26,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:04:26,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:04:26,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:04:26,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:04:26,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:04:26,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:04:26,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:04:26,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:04:26,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:04:26,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:04:26,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:04:26,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:04:26,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:04:26,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:04:26,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:04:26,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:04:26,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:04:26,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:04:26,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:04:26,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:04:26,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:04:26,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:04:26,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:04:26,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:04:26,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:04:26,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:04:26,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:04:26,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:04:26,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:04:26,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:04:26,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:04:26,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:04:26,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:04:26,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:04:26,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:04:26,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:04:26,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:04:26,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:04:26,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:04:26,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:04:26,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:04:26,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:04:26,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:04:26,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:04:26,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:04:26,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:04:26,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:04:26,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:04:26,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:04:26,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:04:26,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:04:26,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:04:26,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:04:26,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:04:26,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:04:26,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:04:26,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:04:26,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:04:26,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:04:26,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:04:26,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:04:26,833 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_375ef42d-ba5d-43c8-8cf8-d0a46731d932/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-12-01 15:04:26,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:04:26,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:04:26,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:04:26,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:04:26,948 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:04:26,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-01 15:04:26,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/data/08819b798/643866e567ea47cbb3a247029eac0811/FLAG8f47b2661 [2019-12-01 15:04:27,418 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:04:27,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-12-01 15:04:27,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/data/08819b798/643866e567ea47cbb3a247029eac0811/FLAG8f47b2661 [2019-12-01 15:04:27,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/data/08819b798/643866e567ea47cbb3a247029eac0811 [2019-12-01 15:04:27,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:04:27,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:04:27,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:04:27,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:04:27,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:04:27,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27, skipping insertion in model container [2019-12-01 15:04:27,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:04:27,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:04:27,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:04:27,705 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:04:27,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:04:27,788 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:04:27,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27 WrapperNode [2019-12-01 15:04:27,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:04:27,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:04:27,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:04:27,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:04:27,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:04:27,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:04:27,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:04:27,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:04:27,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... [2019-12-01 15:04:27,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:04:27,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:04:27,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:04:27,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:04:27,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:04:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/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 [2019-12-01 15:04:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:04:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 15:04:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 15:04:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 15:04:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 15:04:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 15:04:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 15:04:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 15:04:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 15:04:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 15:04:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 15:04:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 15:04:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 15:04:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 15:04:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:04:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:04:28,406 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:04:28,406 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 15:04:28,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:04:28 BoogieIcfgContainer [2019-12-01 15:04:28,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:04:28,407 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:04:28,408 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:04:28,414 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:04:28,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:04:28" (1/1) ... [2019-12-01 15:04:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:04:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-12-01 15:04:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-12-01 15:04:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 15:04:28,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-12-01 15:04:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-12-01 15:04:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 15:04:28,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-12-01 15:04:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-12-01 15:04:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 15:04:28,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2019-12-01 15:04:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-12-01 15:04:28,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 15:04:28,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-12-01 15:04:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-12-01 15:04:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:04:28,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-12-01 15:04:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-12-01 15:04:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:04:28,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:28,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-12-01 15:04:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-12-01 15:04:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:04:28,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2019-12-01 15:04:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2019-12-01 15:04:29,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 15:04:29,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2019-12-01 15:04:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2019-12-01 15:04:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 15:04:29,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2019-12-01 15:04:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2019-12-01 15:04:29,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 15:04:29,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2019-12-01 15:04:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2019-12-01 15:04:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 15:04:29,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2019-12-01 15:04:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2019-12-01 15:04:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 15:04:30,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 172 transitions. [2019-12-01 15:04:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2019-12-01 15:04:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 15:04:30,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 189 transitions. [2019-12-01 15:04:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 189 transitions. [2019-12-01 15:04:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 15:04:30,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 190 transitions. [2019-12-01 15:04:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2019-12-01 15:04:30,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:30,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 110 states and 193 transitions. [2019-12-01 15:04:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2019-12-01 15:04:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:30,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2019-12-01 15:04:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2019-12-01 15:04:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 15:04:30,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 203 transitions. [2019-12-01 15:04:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2019-12-01 15:04:30,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:30,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 119 states and 212 transitions. [2019-12-01 15:04:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 212 transitions. [2019-12-01 15:04:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:04:30,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 212 transitions. [2019-12-01 15:04:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 212 transitions. [2019-12-01 15:04:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:04:30,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 135 states and 255 transitions. [2019-12-01 15:04:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 255 transitions. [2019-12-01 15:04:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:31,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 288 transitions. [2019-12-01 15:04:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 288 transitions. [2019-12-01 15:04:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:32,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 149 states and 290 transitions. [2019-12-01 15:04:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2019-12-01 15:04:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:04:32,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:32,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 153 states and 316 transitions. [2019-12-01 15:04:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 316 transitions. [2019-12-01 15:04:32,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:04:32,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 161 states and 350 transitions. [2019-12-01 15:04:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 350 transitions. [2019-12-01 15:04:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:04:34,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 163 states and 356 transitions. [2019-12-01 15:04:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 356 transitions. [2019-12-01 15:04:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:04:34,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 164 states and 357 transitions. [2019-12-01 15:04:34,790 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 357 transitions. [2019-12-01 15:04:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:04:34,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 165 states and 358 transitions. [2019-12-01 15:04:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 358 transitions. [2019-12-01 15:04:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:04:34,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 166 states and 359 transitions. [2019-12-01 15:04:34,854 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 359 transitions. [2019-12-01 15:04:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:04:34,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 167 states and 360 transitions. [2019-12-01 15:04:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 360 transitions. [2019-12-01 15:04:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:04:34,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 168 states and 361 transitions. [2019-12-01 15:04:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 361 transitions. [2019-12-01 15:04:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:04:35,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 171 states and 363 transitions. [2019-12-01 15:04:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 363 transitions. [2019-12-01 15:04:35,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:04:35,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:04:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 172 states and 363 transitions. [2019-12-01 15:04:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 363 transitions. [2019-12-01 15:04:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 15:04:36,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:04:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 182 states and 377 transitions. [2019-12-01 15:04:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 377 transitions. [2019-12-01 15:04:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:04:37,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:04:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 185 states and 380 transitions. [2019-12-01 15:04:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 380 transitions. [2019-12-01 15:04:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 15:04:37,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:04:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 188 states and 385 transitions. [2019-12-01 15:04:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 385 transitions. [2019-12-01 15:04:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:04:38,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:04:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 188 states and 375 transitions. [2019-12-01 15:04:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 375 transitions. [2019-12-01 15:04:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:04:38,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:04:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 189 states and 376 transitions. [2019-12-01 15:04:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 376 transitions. [2019-12-01 15:04:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:04:38,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:04:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 190 states and 377 transitions. [2019-12-01 15:04:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 377 transitions. [2019-12-01 15:04:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 15:04:38,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:04:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 193 states and 382 transitions. [2019-12-01 15:04:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 382 transitions. [2019-12-01 15:04:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 15:04:39,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:04:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 198 states and 389 transitions. [2019-12-01 15:04:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 389 transitions. [2019-12-01 15:04:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 15:04:39,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:04:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 186 states and 365 transitions. [2019-12-01 15:04:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 365 transitions. [2019-12-01 15:04:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 15:04:39,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:04:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 190 states and 372 transitions. [2019-12-01 15:04:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 372 transitions. [2019-12-01 15:04:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 15:04:39,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:04:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 191 states and 372 transitions. [2019-12-01 15:04:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 372 transitions. [2019-12-01 15:04:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 15:04:39,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:04:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 192 states and 372 transitions. [2019-12-01 15:04:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 372 transitions. [2019-12-01 15:04:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:04:39,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:04:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 190 states and 368 transitions. [2019-12-01 15:04:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 368 transitions. [2019-12-01 15:04:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:04:39,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:04:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 187 states and 361 transitions. [2019-12-01 15:04:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 361 transitions. [2019-12-01 15:04:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 15:04:40,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:04:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 185 states and 357 transitions. [2019-12-01 15:04:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 357 transitions. [2019-12-01 15:04:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 15:04:40,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:04:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 178 states and 342 transitions. [2019-12-01 15:04:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 342 transitions. [2019-12-01 15:04:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 15:04:40,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 15:04:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 180 states and 343 transitions. [2019-12-01 15:04:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 343 transitions. [2019-12-01 15:04:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 15:04:40,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:04:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:04:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-01 15:04:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:04:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 87 states and 139 transitions. [2019-12-01 15:04:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2019-12-01 15:04:40,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 15:04:40,591 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-12-01 15:04:40,597 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 15:04:40,862 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 15:04:40,868 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,869 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,869 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,869 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 15:04:40,869 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:04:40,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:04:40 ImpRootNode [2019-12-01 15:04:40,870 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:04:40,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:04:40,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:04:40,871 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:04:40,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:04:28" (3/4) ... [2019-12-01 15:04:40,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 15:04:40,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 15:04:40,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 15:04:40,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 15:04:40,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 15:04:40,877 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 15:04:40,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 15:04:40,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-01 15:04:40,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 15:04:40,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 15:04:40,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 15:04:40,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 15:04:40,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:04:40,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:04:40,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) [2019-12-01 15:04:40,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-12-01 15:04:40,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_375ef42d-ba5d-43c8-8cf8-d0a46731d932/bin/ukojak/witness.graphml [2019-12-01 15:04:40,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:04:40,930 INFO L168 Benchmark]: Toolchain (without parser) took 13492.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -288.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-12-01 15:04:40,930 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-12-01 15:04:40,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:04:40,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.46 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. [2019-12-01 15:04:40,931 INFO L168 Benchmark]: Boogie Preprocessor took 26.96 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. [2019-12-01 15:04:40,931 INFO L168 Benchmark]: RCFGBuilder took 552.68 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:04:40,931 INFO L168 Benchmark]: CodeCheck took 12462.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -237.0 MB). Peak memory consumption was 404.0 MB. Max. memory is 11.5 GB. [2019-12-01 15:04:40,931 INFO L168 Benchmark]: Witness Printer took 57.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-12-01 15:04:40,933 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: 12.1s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2007613680 SDtfs, 948397830 SDslu, 1002197248 SDs, 0 SdLazy, -1217826010 SolverSat, -931657456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19822 GetRequests, 19326 SyntacticMatches, 218 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34345 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1774 NumberOfCodeBlocks, 1774 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1724 ConstructedInterpolants, 0 QuantifiedInterpolants, 147085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 603/663 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: 643]: 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: 685]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 351.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.46 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 26.96 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 552.68 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * CodeCheck took 12462.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -237.0 MB). Peak memory consumption was 404.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.92 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...