./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:39:10,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:39:10,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:39:10,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:39:10,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:39:10,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:39:10,769 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:39:10,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:39:10,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:39:10,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:39:10,774 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:39:10,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:39:10,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:39:10,776 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:39:10,777 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:39:10,778 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:39:10,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:39:10,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:39:10,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:39:10,784 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:39:10,785 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:39:10,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:39:10,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:39:10,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:39:10,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:39:10,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:39:10,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:39:10,792 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:39:10,793 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:39:10,794 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:39:10,794 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:39:10,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:39:10,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:39:10,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:39:10,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:39:10,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:39:10,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:39:10,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:39:10,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:39:10,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:39:10,812 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:39:10,813 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:39:10,813 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:39:10,813 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:39:10,813 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:39:10,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:39:10,814 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:39:10,814 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:39:10,814 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:39:10,814 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:39:10,814 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:39:10,815 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:39:10,815 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:39:10,817 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:39:10,817 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:39:10,817 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:39:10,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:39:10,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:39:10,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:39:10,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:39:10,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:39:10,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:39:10,818 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:39:10,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:39:10,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:39:10,819 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2018-10-26 22:39:10,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:39:10,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:39:10,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:39:10,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:39:10,869 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:39:10,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-10-26 22:39:10,930 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/data/5d2d7ebfe/ac6a0644c58047b4b4b1e619bbd33d69/FLAG02e8284fb [2018-10-26 22:39:11,387 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:39:11,388 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-10-26 22:39:11,405 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/data/5d2d7ebfe/ac6a0644c58047b4b4b1e619bbd33d69/FLAG02e8284fb [2018-10-26 22:39:11,420 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/data/5d2d7ebfe/ac6a0644c58047b4b4b1e619bbd33d69 [2018-10-26 22:39:11,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:39:11,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:39:11,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:39:11,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:39:11,430 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:39:11,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:11,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2a00ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11, skipping insertion in model container [2018-10-26 22:39:11,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:11,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:39:11,491 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:39:11,763 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:39:11,773 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:39:11,887 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:39:11,913 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:39:11,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11 WrapperNode [2018-10-26 22:39:11,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:39:11,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:39:11,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:39:11,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:39:11,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:11,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:39:12,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:39:12,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:39:12,049 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:39:12,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... [2018-10-26 22:39:12,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:39:12,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:39:12,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:39:12,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:39:12,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:39:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:39:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:39:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:39:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:39:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:39:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:39:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:39:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:39:14,914 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:39:14,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:39:14 BoogieIcfgContainer [2018-10-26 22:39:14,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:39:14,915 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:39:14,915 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:39:14,923 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:39:14,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:39:14" (1/1) ... [2018-10-26 22:39:14,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:39:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-10-26 22:39:14,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-10-26 22:39:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:39:14,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2018-10-26 22:39:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-10-26 22:39:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 22:39:15,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2018-10-26 22:39:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2018-10-26 22:39:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:39:15,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2018-10-26 22:39:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2018-10-26 22:39:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:39:16,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2018-10-26 22:39:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2018-10-26 22:39:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:39:17,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 159 transitions. [2018-10-26 22:39:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2018-10-26 22:39:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:39:19,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:20,392 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 22:39:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2018-10-26 22:39:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2018-10-26 22:39:21,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:39:21,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-10-26 22:39:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-10-26 22:39:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:39:21,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:21,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 114 states and 182 transitions. [2018-10-26 22:39:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2018-10-26 22:39:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:39:21,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:39:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 120 states and 191 transitions. [2018-10-26 22:39:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2018-10-26 22:39:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 22:39:21,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 121 states and 192 transitions. [2018-10-26 22:39:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-10-26 22:39:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:39:21,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 202 transitions. [2018-10-26 22:39:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2018-10-26 22:39:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 22:39:22,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:39:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 210 transitions. [2018-10-26 22:39:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-10-26 22:39:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 22:39:23,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 223 transitions. [2018-10-26 22:39:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-10-26 22:39:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:39:24,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:24,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 240 transitions. [2018-10-26 22:39:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 240 transitions. [2018-10-26 22:39:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:39:24,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:24,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 142 states and 236 transitions. [2018-10-26 22:39:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 236 transitions. [2018-10-26 22:39:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:39:24,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:39:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 240 transitions. [2018-10-26 22:39:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2018-10-26 22:39:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:39:24,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 148 states and 245 transitions. [2018-10-26 22:39:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2018-10-26 22:39:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:39:25,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:39:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:27,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 161 states and 277 transitions. [2018-10-26 22:39:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 277 transitions. [2018-10-26 22:39:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:39:27,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:39:29,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 175 states and 306 transitions. [2018-10-26 22:39:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2018-10-26 22:39:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 22:39:29,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:39:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 176 states and 307 transitions. [2018-10-26 22:39:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2018-10-26 22:39:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:39:29,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:39:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 312 transitions. [2018-10-26 22:39:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 312 transitions. [2018-10-26 22:39:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:39:30,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:39:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 314 transitions. [2018-10-26 22:39:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 314 transitions. [2018-10-26 22:39:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:39:30,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:39:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 185 states and 317 transitions. [2018-10-26 22:39:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 317 transitions. [2018-10-26 22:39:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:39:31,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:39:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 186 states and 318 transitions. [2018-10-26 22:39:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 318 transitions. [2018-10-26 22:39:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 22:39:31,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 22:39:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 190 states and 328 transitions. [2018-10-26 22:39:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 328 transitions. [2018-10-26 22:39:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:39:32,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:39:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 191 states and 329 transitions. [2018-10-26 22:39:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 329 transitions. [2018-10-26 22:39:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 22:39:32,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 22:39:32,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 189 states and 325 transitions. [2018-10-26 22:39:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 325 transitions. [2018-10-26 22:39:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 22:39:32,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 22:39:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 329 transitions. [2018-10-26 22:39:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 329 transitions. [2018-10-26 22:39:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:39:33,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:39:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 201 states and 343 transitions. [2018-10-26 22:39:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 343 transitions. [2018-10-26 22:39:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:39:35,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:39:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 202 states and 344 transitions. [2018-10-26 22:39:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2018-10-26 22:39:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:39:35,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:39:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 145 states and 217 transitions. [2018-10-26 22:39:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 217 transitions. [2018-10-26 22:39:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:39:36,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:39:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 147 states and 220 transitions. [2018-10-26 22:39:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2018-10-26 22:39:36,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:39:36,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:39:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:36,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 148 states and 221 transitions. [2018-10-26 22:39:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2018-10-26 22:39:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 22:39:36,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:39:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:39:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:39:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:39:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 59 states and 71 transitions. [2018-10-26 22:39:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-10-26 22:39:36,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:39:36,936 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-10-26 22:39:36,946 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:39:37,524 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 1 [2018-10-26 22:39:37,567 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,572 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,572 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,572 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 22:39:37,578 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,581 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,582 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 22:39:37,583 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,585 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,585 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,586 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,586 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 22:39:37,586 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,586 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,587 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:39:37,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:39:37 ImpRootNode [2018-10-26 22:39:37,587 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:39:37,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:39:37,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:39:37,588 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:39:37,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:39:14" (3/4) ... [2018-10-26 22:39:37,596 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:39:37,602 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:39:37,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:39:37,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:39:37,604 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:39:37,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:39:37,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:39:37,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:39:37,613 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-10-26 22:39:37,616 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 22:39:37,617 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 22:39:37,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 [2018-10-26 22:39:37,724 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0b87815-d47a-4f7b-88b1-71f978548634/bin-2019/ukojak/witness.graphml [2018-10-26 22:39:37,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:39:37,725 INFO L168 Benchmark]: Toolchain (without parser) took 26301.12 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.8 MB). Free memory was 958.0 MB in the beginning and 827.9 MB in the end (delta: 130.2 MB). Peak memory consumption was 481.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:37,725 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:39:37,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.20 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:37,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:37,726 INFO L168 Benchmark]: Boogie Preprocessor took 39.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:39:37,727 INFO L168 Benchmark]: RCFGBuilder took 2825.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:37,729 INFO L168 Benchmark]: CodeCheck took 22672.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.0 MB). Free memory was 1.0 GB in the beginning and 827.9 MB in the end (delta: 191.2 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:39:37,729 INFO L168 Benchmark]: Witness Printer took 136.58 ms. Allocated memory is still 1.4 GB. Free memory was 827.9 MB in the beginning and 827.9 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-10-26 22:39:37,732 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 117 locations, 1 error locations. SAFE Result, 21.9s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -38136732 SDtfs, -1490182852 SDslu, -1735776356 SDs, 0 SdLazy, 1193616972 SolverSat, 387517684 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15543 GetRequests, 15177 SyntacticMatches, 124 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26830 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1555 ConstructedInterpolants, 0 QuantifiedInterpolants, 153547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 583/630 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 130]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.20 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2825.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.0 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. * CodeCheck took 22672.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.0 MB). Free memory was 1.0 GB in the beginning and 827.9 MB in the end (delta: 191.2 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. * Witness Printer took 136.58 ms. Allocated memory is still 1.4 GB. Free memory was 827.9 MB in the beginning and 827.9 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...