./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_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_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:52:41,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:52:41,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:52:41,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:52:41,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:52:41,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:52:41,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:52:41,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:52:41,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:52:41,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:52:41,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:52:41,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:52:41,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:52:41,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:52:41,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:52:41,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:52:41,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:52:41,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:52:41,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:52:41,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:52:41,572 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:52:41,573 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:52:41,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:52:41,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:52:41,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:52:41,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:52:41,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:52:41,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:52:41,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:52:41,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:52:41,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:52:41,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:52:41,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:52:41,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:52:41,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:52:41,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:52:41,578 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 09:52:41,586 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:52:41,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:52:41,587 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:52:41,587 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 09:52:41,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:52:41,588 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:52:41,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:52:41,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:52:41,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:52:41,588 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:52:41,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:52:41,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:52:41,590 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 09:52:41,590 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 09:52:41,590 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:52:41,590 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:52:41,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 09:52:41,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:52:41,591 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:52:41,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:52:41,591 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 09:52:41,591 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:52:41,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:52:41,591 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_997431c4-b810-449c-9d52-8206ddb47e54/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-12-02 09:52:41,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:52:41,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:52:41,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:52:41,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:52:41,628 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:52:41,629 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-12-02 09:52:41,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/data/416a5d472/bcae3d88c06d418994c7ae428c49dff8/FLAG3017be2ac [2018-12-02 09:52:42,137 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:52:42,138 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-12-02 09:52:42,147 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/data/416a5d472/bcae3d88c06d418994c7ae428c49dff8/FLAG3017be2ac [2018-12-02 09:52:42,155 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/data/416a5d472/bcae3d88c06d418994c7ae428c49dff8 [2018-12-02 09:52:42,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:52:42,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:52:42,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:52:42,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:52:42,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:52:42,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42, skipping insertion in model container [2018-12-02 09:52:42,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:52:42,194 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:52:42,349 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:52:42,390 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:52:42,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:52:42,452 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:52:42,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42 WrapperNode [2018-12-02 09:52:42,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:52:42,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:52:42,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:52:42,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:52:42,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:52:42,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:52:42,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:52:42,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:52:42,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:52:42,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:52:42,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:52:42,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:52:42,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:52:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/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 09:52:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 09:52:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 09:52:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 09:52:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:52:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:52:42,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:52:42,908 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-02 09:52:42,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:52:42 BoogieIcfgContainer [2018-12-02 09:52:42,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:52:42,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 09:52:42,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 09:52:42,915 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 09:52:42,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:52:42" (1/1) ... [2018-12-02 09:52:42,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:52:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-02 09:52:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-02 09:52:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 09:52:42,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,054 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 09:52:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-02 09:52:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-02 09:52:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 09:52:43,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,112 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 09:52:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-02 09:52:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-02 09:52:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 09:52:43,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,180 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 09:52:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-02 09:52:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-02 09:52:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 09:52:43,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,270 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 09:52:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-12-02 09:52:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-12-02 09:52:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 09:52:43,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,298 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 09:52:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-12-02 09:52:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-02 09:52:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 09:52:43,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,339 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 09:52:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2018-12-02 09:52:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2018-12-02 09:52:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 09:52:43,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,538 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 09:52:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-12-02 09:52:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-12-02 09:52:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 09:52:43,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,868 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 09:52:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 86 states and 138 transitions. [2018-12-02 09:52:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2018-12-02 09:52:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 09:52:43,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:43,966 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 09:52:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 146 transitions. [2018-12-02 09:52:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2018-12-02 09:52:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 09:52:44,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:44,178 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 09:52:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 147 transitions. [2018-12-02 09:52:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2018-12-02 09:52:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 09:52:44,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:44,257 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 09:52:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 159 transitions. [2018-12-02 09:52:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-12-02 09:52:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 09:52:44,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:44,419 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 09:52:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 155 transitions. [2018-12-02 09:52:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-12-02 09:52:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 09:52:44,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:44,646 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 09:52:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 175 transitions. [2018-12-02 09:52:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2018-12-02 09:52:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 09:52:45,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:45,238 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 09:52:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 106 states and 179 transitions. [2018-12-02 09:52:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2018-12-02 09:52:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 09:52:45,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:45,374 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 09:52:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 197 transitions. [2018-12-02 09:52:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-12-02 09:52:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 09:52:45,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:45,583 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 09:52:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 198 transitions. [2018-12-02 09:52:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2018-12-02 09:52:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 09:52:45,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:45,660 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 09:52:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 249 transitions. [2018-12-02 09:52:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 249 transitions. [2018-12-02 09:52:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 09:52:46,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:46,499 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 09:52:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 134 states and 250 transitions. [2018-12-02 09:52:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 250 transitions. [2018-12-02 09:52:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 09:52:46,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:46,527 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 09:52:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 135 states and 251 transitions. [2018-12-02 09:52:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions. [2018-12-02 09:52:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 09:52:46,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:46,601 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 09:52:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 144 states and 278 transitions. [2018-12-02 09:52:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 278 transitions. [2018-12-02 09:52:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 09:52:47,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:47,366 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 09:52:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 145 states and 279 transitions. [2018-12-02 09:52:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 279 transitions. [2018-12-02 09:52:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 09:52:47,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:47,398 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 09:52:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 146 states and 280 transitions. [2018-12-02 09:52:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 280 transitions. [2018-12-02 09:52:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 09:52:47,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:47,427 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 09:52:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 150 states and 287 transitions. [2018-12-02 09:52:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 287 transitions. [2018-12-02 09:52:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 09:52:47,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:47,733 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 09:52:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 154 states and 296 transitions. [2018-12-02 09:52:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 296 transitions. [2018-12-02 09:52:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 09:52:48,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:48,588 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 09:52:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 152 states and 292 transitions. [2018-12-02 09:52:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 292 transitions. [2018-12-02 09:52:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 09:52:48,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:48,614 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 09:52:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 143 states and 269 transitions. [2018-12-02 09:52:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 269 transitions. [2018-12-02 09:52:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 09:52:48,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:48,896 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 09:52:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 149 states and 282 transitions. [2018-12-02 09:52:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2018-12-02 09:52:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 09:52:49,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:49,374 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 09:52:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 149 states and 281 transitions. [2018-12-02 09:52:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 281 transitions. [2018-12-02 09:52:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 09:52:49,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:49,405 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 09:52:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 151 states and 284 transitions. [2018-12-02 09:52:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 284 transitions. [2018-12-02 09:52:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 09:52:49,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:49,619 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 09:52:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 153 states and 285 transitions. [2018-12-02 09:52:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 285 transitions. [2018-12-02 09:52:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 09:52:49,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:49,918 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 09:52:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 154 states and 286 transitions. [2018-12-02 09:52:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 286 transitions. [2018-12-02 09:52:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 09:52:49,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:49,960 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 09:52:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 150 states and 276 transitions. [2018-12-02 09:52:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 276 transitions. [2018-12-02 09:52:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 09:52:49,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:50,015 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 09:52:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 143 states and 263 transitions. [2018-12-02 09:52:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 263 transitions. [2018-12-02 09:52:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 09:52:50,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:50,212 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 09:52:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 154 states and 285 transitions. [2018-12-02 09:52:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 285 transitions. [2018-12-02 09:52:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 09:52:51,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:52:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:52:51,244 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 09:52:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:52:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 76 states and 107 transitions. [2018-12-02 09:52:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-02 09:52:51,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 09:52:51,629 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-12-02 09:52:51,635 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 09:52:51,822 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-02 09:52:51,826 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,827 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 09:52:51,827 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-02 09:52:51,827 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,827 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 09:52:51,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:52:51 ImpRootNode [2018-12-02 09:52:51,828 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 09:52:51,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:52:51,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:52:51,829 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:52:51,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:52:42" (3/4) ... [2018-12-02 09:52:51,831 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 09:52:51,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 09:52:51,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 09:52:51,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 09:52:51,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 09:52:51,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 09:52:51,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 09:52:51,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-02 09:52:51,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-02 09:52:51,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 09:52:51,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 09:52:51,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 09:52:51,839 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 09:52:51,855 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-02 09:52:51,855 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-12-02 09:52:51,856 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-12-02 09:52:51,874 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_997431c4-b810-449c-9d52-8206ddb47e54/bin-2019/ukojak/witness.graphml [2018-12-02 09:52:51,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:52:51,875 INFO L168 Benchmark]: Toolchain (without parser) took 9717.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -274.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-02 09:52:51,875 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:52:51,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:52:51,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.80 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:52:51,876 INFO L168 Benchmark]: Boogie Preprocessor took 16.87 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 09:52:51,876 INFO L168 Benchmark]: RCFGBuilder took 407.52 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2018-12-02 09:52:51,876 INFO L168 Benchmark]: CodeCheck took 8919.22 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 209.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:52:51,876 INFO L168 Benchmark]: Witness Printer took 45.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:52:51,877 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, 67 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1684885552 SDtfs, -1129603118 SDslu, -587130148 SDs, 0 SdLazy, -1910124766 SolverSat, -1333759648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16107 GetRequests, 15701 SyntacticMatches, 166 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25626 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1616 NumberOfCodeBlocks, 1616 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1581 ConstructedInterpolants, 0 QuantifiedInterpolants, 165387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 698/772 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: 402]: 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: 247]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.80 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.87 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. * RCFGBuilder took 407.52 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. * CodeCheck took 8919.22 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 209.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 45.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...