./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/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_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/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-aa41828 [2018-11-23 07:40:56,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:40:56,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:40:56,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:40:56,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:40:56,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:40:56,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:40:56,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:40:56,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:40:56,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:40:56,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:40:56,507 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:40:56,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:40:56,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:40:56,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:40:56,509 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:40:56,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:40:56,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:40:56,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:40:56,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:40:56,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:40:56,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:40:56,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:40:56,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:40:56,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:40:56,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:40:56,518 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:40:56,519 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:40:56,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:40:56,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:40:56,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:40:56,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:40:56,521 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:40:56,521 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:40:56,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:40:56,522 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:40:56,522 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 07:40:56,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:40:56,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:40:56,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:40:56,533 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:40:56,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:40:56,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:40:56,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:40:56,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:40:56,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:40:56,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:40:56,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:40:56,536 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:40:56,536 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:40:56,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:40:56,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:40:56,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:40:56,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:40:56,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:40:56,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:40:56,537 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:40:56,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:40:56,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:40:56,537 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_f96f8746-83cd-4eec-a58b-c48b4027b498/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 [2018-11-23 07:40:56,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:40:56,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:40:56,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:40:56,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:40:56,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:40:56,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-23 07:40:56,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/data/f223698c3/a3c846cb90464ce9a52084291bcd1f90/FLAG98207f765 [2018-11-23 07:40:56,955 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:40:56,956 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-23 07:40:56,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/data/f223698c3/a3c846cb90464ce9a52084291bcd1f90/FLAG98207f765 [2018-11-23 07:40:56,972 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/data/f223698c3/a3c846cb90464ce9a52084291bcd1f90 [2018-11-23 07:40:56,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:40:56,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:40:56,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:40:56,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:40:56,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:40:56,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:40:56" (1/1) ... [2018-11-23 07:40:56,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f66bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:56, skipping insertion in model container [2018-11-23 07:40:56,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:40:56" (1/1) ... [2018-11-23 07:40:56,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:40:57,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:40:57,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:40:57,275 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:40:57,329 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:40:57,349 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:40:57,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57 WrapperNode [2018-11-23 07:40:57,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:40:57,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:40:57,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:40:57,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:40:57,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:40:57,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:40:57,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:40:57,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:40:57,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:40:57,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:40:57,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:40:57,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:40:57,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:40:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/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 [2018-11-23 07:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:40:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:40:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:40:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:40:57,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:40:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:40:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:40:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:40:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:40:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:40:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:40:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:40:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:40:57,944 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:40:57,945 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 07:40:57,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:40:57 BoogieIcfgContainer [2018-11-23 07:40:57,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:40:57,945 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:40:57,945 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:40:57,952 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:40:57,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:40:57" (1/1) ... [2018-11-23 07:40:57,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:40:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2018-11-23 07:40:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-11-23 07:40:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 07:40:57,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2018-11-23 07:40:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2018-11-23 07:40:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:40:58,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-11-23 07:40:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-11-23 07:40:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 07:40:58,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2018-11-23 07:40:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2018-11-23 07:40:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:40:58,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-11-23 07:40:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-11-23 07:40:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:40:58,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2018-11-23 07:40:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2018-11-23 07:40:58,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 07:40:58,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-11-23 07:40:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-11-23 07:40:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:40:58,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2018-11-23 07:40:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2018-11-23 07:40:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 07:40:58,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 71 states and 104 transitions. [2018-11-23 07:40:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2018-11-23 07:40:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 07:40:58,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2018-11-23 07:40:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2018-11-23 07:40:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:40:59,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:59,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2018-11-23 07:40:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2018-11-23 07:40:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 07:40:59,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 143 transitions. [2018-11-23 07:40:59,407 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2018-11-23 07:40:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 07:40:59,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 155 transitions. [2018-11-23 07:40:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2018-11-23 07:40:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:40:59,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:40:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 151 transitions. [2018-11-23 07:40:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2018-11-23 07:40:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:40:59,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:40:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:41:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 170 transitions. [2018-11-23 07:41:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2018-11-23 07:41:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 07:41:00,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:41:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:00,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 188 transitions. [2018-11-23 07:41:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 188 transitions. [2018-11-23 07:41:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 07:41:00,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:41:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 192 transitions. [2018-11-23 07:41:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2018-11-23 07:41:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:41:00,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:41:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 193 transitions. [2018-11-23 07:41:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2018-11-23 07:41:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 07:41:00,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:41:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 194 transitions. [2018-11-23 07:41:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2018-11-23 07:41:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:41:01,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 124 states and 214 transitions. [2018-11-23 07:41:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2018-11-23 07:41:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:41:01,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 222 transitions. [2018-11-23 07:41:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 222 transitions. [2018-11-23 07:41:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 07:41:01,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 135 states and 247 transitions. [2018-11-23 07:41:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 247 transitions. [2018-11-23 07:41:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 07:41:02,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 142 states and 270 transitions. [2018-11-23 07:41:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 270 transitions. [2018-11-23 07:41:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:41:02,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 271 transitions. [2018-11-23 07:41:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 271 transitions. [2018-11-23 07:41:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 07:41:02,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:41:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 144 states and 272 transitions. [2018-11-23 07:41:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 272 transitions. [2018-11-23 07:41:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:41:02,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:41:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 279 transitions. [2018-11-23 07:41:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-11-23 07:41:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:41:03,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 07:41:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 287 transitions. [2018-11-23 07:41:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2018-11-23 07:41:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:41:04,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:41:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 150 states and 283 transitions. [2018-11-23 07:41:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 283 transitions. [2018-11-23 07:41:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 07:41:04,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:41:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:04,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 156 states and 296 transitions. [2018-11-23 07:41:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 296 transitions. [2018-11-23 07:41:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 07:41:04,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:41:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 156 states and 295 transitions. [2018-11-23 07:41:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 295 transitions. [2018-11-23 07:41:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 07:41:04,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:41:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 298 transitions. [2018-11-23 07:41:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 298 transitions. [2018-11-23 07:41:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:41:04,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 07:41:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 160 states and 299 transitions. [2018-11-23 07:41:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 299 transitions. [2018-11-23 07:41:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:41:05,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:41:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 156 states and 289 transitions. [2018-11-23 07:41:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 289 transitions. [2018-11-23 07:41:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:41:05,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 07:41:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 157 states and 290 transitions. [2018-11-23 07:41:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 290 transitions. [2018-11-23 07:41:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 07:41:05,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 07:41:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 150 states and 277 transitions. [2018-11-23 07:41:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 277 transitions. [2018-11-23 07:41:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:41:05,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 07:41:06,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 161 states and 298 transitions. [2018-11-23 07:41:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 298 transitions. [2018-11-23 07:41:06,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 07:41:06,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 07:41:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 152 states and 275 transitions. [2018-11-23 07:41:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 275 transitions. [2018-11-23 07:41:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 07:41:06,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:41:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:41:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 07:41:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:41:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 76 states and 107 transitions. [2018-11-23 07:41:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-11-23 07:41:07,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:41:07,152 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2018-11-23 07:41:07,158 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 07:41:07,353 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,355 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 07:41:07,358 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 07:41:07,358 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,358 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,358 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 07:41:07,359 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,359 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,359 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,359 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,359 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 07:41:07,360 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:41:07,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:41:07 ImpRootNode [2018-11-23 07:41:07,360 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:41:07,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:41:07,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:41:07,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:41:07,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:40:57" (3/4) ... [2018-11-23 07:41:07,365 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:41:07,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:41:07,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:41:07,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:41:07,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:41:07,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:41:07,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:41:07,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 07:41:07,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:41:07,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 07:41:07,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 07:41:07,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:41:07,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:41:07,374 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:41:07,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-23 07:41:07,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-23 07:41:07,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(0 == pumpRunning) [2018-11-23 07:41:07,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f96f8746-83cd-4eec-a58b-c48b4027b498/bin-2019/ukojak/witness.graphml [2018-11-23 07:41:07,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:41:07,419 INFO L168 Benchmark]: Toolchain (without parser) took 10443.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -261.3 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:41:07,420 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:41:07,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:41:07,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:41:07,421 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.2 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. [2018-11-23 07:41:07,421 INFO L168 Benchmark]: RCFGBuilder took 530.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:41:07,421 INFO L168 Benchmark]: CodeCheck took 9414.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -178.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:41:07,421 INFO L168 Benchmark]: Witness Printer took 57.39 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:41:07,423 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, 9.1s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1735307168 SDtfs, -1014454362 SDslu, -336517712 SDs, 0 SdLazy, -331755986 SolverSat, -106341708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16282 GetRequests, 15891 SyntacticMatches, 157 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23150 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1644 NumberOfCodeBlocks, 1644 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1607 ConstructedInterpolants, 0 QuantifiedInterpolants, 165329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 24 PerfectInterpolantSequences, 709/787 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: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.18 ms. Allocated memory is still 1.2 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 530.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 9414.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -178.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.39 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...