./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:53:41,902 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:53:41,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:53:41,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:53:41,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:53:41,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:53:41,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:53:41,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:53:41,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:53:41,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:53:41,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:53:41,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:53:41,915 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:53:41,916 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:53:41,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:53:41,917 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:53:41,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:53:41,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:53:41,920 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:53:41,921 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:53:41,921 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:53:41,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:53:41,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:53:41,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:53:41,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:53:41,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:53:41,925 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:53:41,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:53:41,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:53:41,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:53:41,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:53:41,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:53:41,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:53:41,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:53:41,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:53:41,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:53:41,929 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 07:53:41,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:53:41,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:53:41,939 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:53:41,939 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 07:53:41,939 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 07:53:41,940 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 07:53:41,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:53:41,940 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:53:41,940 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:53:41,940 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:53:41,940 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:53:41,941 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:53:41,942 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 07:53:41,942 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 07:53:41,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:53:41,942 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:53:41,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 07:53:41,943 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:53:41,943 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:53:41,943 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:53:41,943 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 07:53:41,943 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:53:41,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:53:41,943 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_27a85471-0a17-4137-a672-6d86df5ac87d/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-12-02 07:53:41,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:53:41,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:53:41,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:53:41,976 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:53:41,976 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:53:41,976 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-12-02 07:53:42,009 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/data/b9610bbf7/a0dfedd722844a09b0059a862a0e9d4c/FLAG6615856d8 [2018-12-02 07:53:42,433 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:53:42,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-12-02 07:53:42,439 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/data/b9610bbf7/a0dfedd722844a09b0059a862a0e9d4c/FLAG6615856d8 [2018-12-02 07:53:42,447 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/data/b9610bbf7/a0dfedd722844a09b0059a862a0e9d4c [2018-12-02 07:53:42,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:53:42,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:53:42,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:53:42,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:53:42,452 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:53:42,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42, skipping insertion in model container [2018-12-02 07:53:42,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:53:42,478 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:53:42,622 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:53:42,630 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:53:42,701 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:53:42,715 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:53:42,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42 WrapperNode [2018-12-02 07:53:42,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:53:42,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:53:42,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:53:42,716 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:53:42,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:53:42,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:53:42,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:53:42,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:53:42,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... [2018-12-02 07:53:42,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:53:42,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:53:42,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:53:42,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:53:42,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/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 [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 07:53:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 07:53:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 07:53:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 07:53:42,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 07:53:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 07:53:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 07:53:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 07:53:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 07:53:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 07:53:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:53:42,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:53:43,234 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:53:43,234 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 07:53:43,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:43 BoogieIcfgContainer [2018-12-02 07:53:43,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:53:43,235 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 07:53:43,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 07:53:43,243 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 07:53:43,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:43" (1/1) ... [2018-12-02 07:53:43,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:53:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2018-12-02 07:53:43,278 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-12-02 07:53:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 07:53:43,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2018-12-02 07:53:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2018-12-02 07:53:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 07:53:43,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-02 07:53:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-02 07:53:43,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 07:53:43,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2018-12-02 07:53:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2018-12-02 07:53:43,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 07:53:43,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-12-02 07:53:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-12-02 07:53:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 07:53:43,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2018-12-02 07:53:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2018-12-02 07:53:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 07:53:44,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions. [2018-12-02 07:53:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2018-12-02 07:53:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 07:53:44,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2018-12-02 07:53:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2018-12-02 07:53:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 07:53:44,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 85 states and 136 transitions. [2018-12-02 07:53:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2018-12-02 07:53:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 07:53:44,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 86 states and 137 transitions. [2018-12-02 07:53:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2018-12-02 07:53:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 07:53:44,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-12-02 07:53:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-12-02 07:53:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 07:53:44,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:53:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 145 transitions. [2018-12-02 07:53:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2018-12-02 07:53:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 07:53:44,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 157 transitions. [2018-12-02 07:53:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-12-02 07:53:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 07:53:44,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 153 transitions. [2018-12-02 07:53:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-12-02 07:53:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 07:53:44,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 07:53:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 172 transitions. [2018-12-02 07:53:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2018-12-02 07:53:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 07:53:45,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 176 transitions. [2018-12-02 07:53:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2018-12-02 07:53:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 07:53:45,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 196 transitions. [2018-12-02 07:53:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2018-12-02 07:53:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 07:53:46,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 197 transitions. [2018-12-02 07:53:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-12-02 07:53:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 07:53:46,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 07:53:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 132 states and 245 transitions. [2018-12-02 07:53:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 245 transitions. [2018-12-02 07:53:47,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 07:53:47,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 133 states and 246 transitions. [2018-12-02 07:53:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 246 transitions. [2018-12-02 07:53:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 07:53:47,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 07:53:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:47,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 247 transitions. [2018-12-02 07:53:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 247 transitions. [2018-12-02 07:53:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 07:53:47,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 07:53:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 143 states and 273 transitions. [2018-12-02 07:53:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 273 transitions. [2018-12-02 07:53:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 07:53:47,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 07:53:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 144 states and 274 transitions. [2018-12-02 07:53:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 274 transitions. [2018-12-02 07:53:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 07:53:47,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 07:53:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 148 states and 281 transitions. [2018-12-02 07:53:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 281 transitions. [2018-12-02 07:53:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 07:53:48,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 07:53:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 289 transitions. [2018-12-02 07:53:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 289 transitions. [2018-12-02 07:53:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 07:53:49,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 07:53:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 142 states and 263 transitions. [2018-12-02 07:53:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2018-12-02 07:53:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 07:53:49,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 07:53:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 140 states and 259 transitions. [2018-12-02 07:53:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 259 transitions. [2018-12-02 07:53:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 07:53:49,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 07:53:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 146 states and 272 transitions. [2018-12-02 07:53:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 272 transitions. [2018-12-02 07:53:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 07:53:49,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 07:53:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 146 states and 271 transitions. [2018-12-02 07:53:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 271 transitions. [2018-12-02 07:53:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 07:53:49,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 07:53:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 274 transitions. [2018-12-02 07:53:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 274 transitions. [2018-12-02 07:53:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 07:53:49,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 07:53:50,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 150 states and 275 transitions. [2018-12-02 07:53:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2018-12-02 07:53:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 07:53:50,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 07:53:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 151 states and 276 transitions. [2018-12-02 07:53:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2018-12-02 07:53:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 07:53:50,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 07:53:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 147 states and 266 transitions. [2018-12-02 07:53:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2018-12-02 07:53:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 07:53:50,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 07:53:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 140 states and 253 transitions. [2018-12-02 07:53:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2018-12-02 07:53:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 07:53:50,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 07:53:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 151 states and 274 transitions. [2018-12-02 07:53:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 274 transitions. [2018-12-02 07:53:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 07:53:51,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 07:53:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:53:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 07:53:51,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 07:53:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 76 states and 107 transitions. [2018-12-02 07:53:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-02 07:53:51,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:53:51,884 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-12-02 07:53:51,892 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 07:53:52,097 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,099 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 07:53:52,103 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 07:53:52,103 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,103 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,104 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-02 07:53:52,104 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,104 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,104 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,104 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,105 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 07:53:52,105 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 07:53:52,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 07:53:52 ImpRootNode [2018-12-02 07:53:52,105 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 07:53:52,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:53:52,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:53:52,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:53:52,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:43" (3/4) ... [2018-12-02 07:53:52,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:53:52,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 07:53:52,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 07:53:52,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 07:53:52,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 07:53:52,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 07:53:52,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 07:53:52,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-02 07:53:52,120 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 07:53:52,121 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 07:53:52,121 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 07:53:52,121 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 07:53:52,121 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:53:52,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-02 07:53:52,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-12-02 07:53:52,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) [2018-12-02 07:53:52,166 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27a85471-0a17-4137-a672-6d86df5ac87d/bin-2019/ukojak/witness.graphml [2018-12-02 07:53:52,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:53:52,167 INFO L168 Benchmark]: Toolchain (without parser) took 9718.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -220.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2018-12-02 07:53:52,168 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:53:52,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 07:53:52,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.79 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. [2018-12-02 07:53:52,168 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 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. [2018-12-02 07:53:52,168 INFO L168 Benchmark]: RCFGBuilder took 471.79 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-12-02 07:53:52,169 INFO L168 Benchmark]: CodeCheck took 8870.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:53:52,169 INFO L168 Benchmark]: Witness Printer took 60.93 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-12-02 07:53:52,170 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 7 procedures, 65 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1446529072 SDtfs, -1805276206 SDslu, -1371536684 SDs, 0 SdLazy, 1729660706 SolverSat, 441324896 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15297 GetRequests, 14895 SyntacticMatches, 160 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24977 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1549 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 155676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 25 PerfectInterpolantSequences, 683/751 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.79 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 17.04 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 471.79 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8870.30 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.93 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...