./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-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_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 09:15:44,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:15:44,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:15:44,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:15:44,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:15:44,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:15:44,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:15:44,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:15:44,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:15:44,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:15:44,408 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:15:44,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:15:44,409 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:15:44,409 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:15:44,410 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:15:44,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:15:44,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:15:44,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:15:44,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:15:44,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:15:44,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:15:44,414 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:15:44,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:15:44,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:15:44,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:15:44,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:15:44,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:15:44,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:15:44,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:15:44,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:15:44,418 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:15:44,418 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:15:44,418 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:15:44,418 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:15:44,419 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:15:44,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:15:44,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 09:15:44,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:15:44,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:15:44,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:15:44,427 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 09:15:44,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:15:44,428 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:15:44,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:15:44,429 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 09:15:44,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 09:15:44,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:15:44,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:15:44,430 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 09:15:44,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:15:44,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:15:44,430 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_16d8e5ad-2084-473e-8481-a1c6f51be3e3/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2018-12-02 09:15:44,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:15:44,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:15:44,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:15:44,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:15:44,459 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:15:44,459 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-02 09:15:44,503 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/data/a86f86e85/cafecf958a774b929d654b9babe69bd5/FLAGe11f2b47d [2018-12-02 09:15:44,915 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:15:44,915 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/sv-benchmarks/c/product-lines/minepump_spec1_product42_false-unreach-call_false-termination.cil.c [2018-12-02 09:15:44,921 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/data/a86f86e85/cafecf958a774b929d654b9babe69bd5/FLAGe11f2b47d [2018-12-02 09:15:44,929 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/data/a86f86e85/cafecf958a774b929d654b9babe69bd5 [2018-12-02 09:15:44,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:15:44,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:15:44,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:15:44,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:15:44,934 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:15:44,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:44" (1/1) ... [2018-12-02 09:15:44,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:44, skipping insertion in model container [2018-12-02 09:15:44,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:44" (1/1) ... [2018-12-02 09:15:44,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:15:44,960 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:15:45,116 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:15:45,157 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:15:45,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:15:45,218 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:15:45,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45 WrapperNode [2018-12-02 09:15:45,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:15:45,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:15:45,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:15:45,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:15:45,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:15:45,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:15:45,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:15:45,251 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:15:45,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:15:45,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:15:45,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:15:45,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:15:45,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/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 09:15:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:15:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 09:15:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 09:15:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 09:15:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 09:15:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 09:15:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 09:15:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 09:15:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 09:15:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 09:15:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 09:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 09:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 09:15:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 09:15:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:15:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:15:45,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:15:45,767 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-02 09:15:45,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:45 BoogieIcfgContainer [2018-12-02 09:15:45,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:15:45,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 09:15:45,768 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 09:15:45,774 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 09:15:45,774 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:45" (1/1) ... [2018-12-02 09:15:45,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:15:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2018-12-02 09:15:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2018-12-02 09:15:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 09:15:45,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:45,918 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 09:15:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-12-02 09:15:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-12-02 09:15:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 09:15:45,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:45,966 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 09:15:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2018-12-02 09:15:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-02 09:15:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 09:15:45,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,076 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 09:15:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-02 09:15:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-02 09:15:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 09:15:46,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,235 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 09:15:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2018-12-02 09:15:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2018-12-02 09:15:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 09:15:46,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,434 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 09:15:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2018-12-02 09:15:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2018-12-02 09:15:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 09:15:46,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,497 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 09:15:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-12-02 09:15:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-12-02 09:15:46,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 09:15:46,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,760 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 09:15:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 132 transitions. [2018-12-02 09:15:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2018-12-02 09:15:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 09:15:46,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,792 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 09:15:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 133 transitions. [2018-12-02 09:15:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2018-12-02 09:15:46,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 09:15:46,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 09:15:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 138 transitions. [2018-12-02 09:15:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2018-12-02 09:15:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 09:15:46,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 09:15:47,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 98 states and 157 transitions. [2018-12-02 09:15:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-12-02 09:15:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 09:15:47,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:47,314 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 09:15:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 104 states and 170 transitions. [2018-12-02 09:15:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2018-12-02 09:15:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 09:15:47,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:47,474 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 09:15:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 166 transitions. [2018-12-02 09:15:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2018-12-02 09:15:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 09:15:47,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 09:15:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 117 states and 216 transitions. [2018-12-02 09:15:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 216 transitions. [2018-12-02 09:15:49,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 09:15:49,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:49,053 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 09:15:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 119 states and 221 transitions. [2018-12-02 09:15:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 221 transitions. [2018-12-02 09:15:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 09:15:49,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:49,493 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 09:15:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 121 states and 225 transitions. [2018-12-02 09:15:50,060 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 225 transitions. [2018-12-02 09:15:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 09:15:50,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:50,073 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 09:15:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 123 states and 229 transitions. [2018-12-02 09:15:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2018-12-02 09:15:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 09:15:50,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 09:15:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 125 states and 230 transitions. [2018-12-02 09:15:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2018-12-02 09:15:50,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 09:15:50,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 09:15:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 253 transitions. [2018-12-02 09:15:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 253 transitions. [2018-12-02 09:15:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 09:15:51,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 09:15:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 135 states and 270 transitions. [2018-12-02 09:15:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 270 transitions. [2018-12-02 09:15:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 09:15:51,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 09:15:52,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 145 states and 292 transitions. [2018-12-02 09:15:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 292 transitions. [2018-12-02 09:15:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 09:15:52,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:52,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 09:15:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 147 states and 297 transitions. [2018-12-02 09:15:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 297 transitions. [2018-12-02 09:15:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 09:15:52,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 09:15:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 148 states and 298 transitions. [2018-12-02 09:15:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 298 transitions. [2018-12-02 09:15:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 09:15:52,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 09:15:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 156 states and 319 transitions. [2018-12-02 09:15:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 319 transitions. [2018-12-02 09:15:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 09:15:53,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:54,009 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 09:15:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 156 states and 318 transitions. [2018-12-02 09:15:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 318 transitions. [2018-12-02 09:15:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 09:15:54,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 09:15:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 158 states and 320 transitions. [2018-12-02 09:15:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2018-12-02 09:15:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 09:15:54,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 09:15:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:54,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 159 states and 321 transitions. [2018-12-02 09:15:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 321 transitions. [2018-12-02 09:15:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 09:15:54,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 09:15:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 173 states and 343 transitions. [2018-12-02 09:15:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 343 transitions. [2018-12-02 09:15:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 09:15:55,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 09:15:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 177 states and 354 transitions. [2018-12-02 09:15:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 354 transitions. [2018-12-02 09:15:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 09:15:56,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 09:15:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:15:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 177 states and 346 transitions. [2018-12-02 09:15:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 346 transitions. [2018-12-02 09:15:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 09:15:56,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:15:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:15:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 09:16:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 09:16:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 190 states and 383 transitions. [2018-12-02 09:16:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 383 transitions. [2018-12-02 09:16:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 09:16:00,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 09:16:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:16:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:16:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:16:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:16:00,686 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2018-12-02 09:16:00,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:16:00 ImpRootNode [2018-12-02 09:16:00,791 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 09:16:00,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:16:00,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:16:00,791 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:16:00,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:15:45" (3/4) ... [2018-12-02 09:16:00,793 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 09:16:00,856 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_16d8e5ad-2084-473e-8481-a1c6f51be3e3/bin-2019/ukojak/witness.graphml [2018-12-02 09:16:00,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:16:00,857 INFO L168 Benchmark]: Toolchain (without parser) took 15925.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 493.4 MB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -486.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 09:16:00,858 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:16:00,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 09:16:00,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.18 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 09:16:00,858 INFO L168 Benchmark]: Boogie Preprocessor took 18.73 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 09:16:00,858 INFO L168 Benchmark]: RCFGBuilder took 498.12 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: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:16:00,859 INFO L168 Benchmark]: CodeCheck took 15022.56 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 373.8 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -419.7 MB). Peak memory consumption was 642.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:16:00,859 INFO L168 Benchmark]: Witness Printer took 65.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:16:00,860 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, 70 locations, 1 error locations. UNSAFE Result, 14.8s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1994202436 SDtfs, 1560910896 SDslu, 961749230 SDs, 0 SdLazy, -1319996764 SolverSat, 1173876570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12071 GetRequests, 11636 SyntacticMatches, 95 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55754 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1129 NumberOfCodeBlocks, 1129 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1047 ConstructedInterpolants, 0 QuantifiedInterpolants, 103037 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 16 PerfectInterpolantSequences, 258/315 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 - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 [L532] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L493] int retValue_acc ; [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L652] int tmp ; [L677] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L646] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L565] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L542] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 [L542] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___2)) [L556] tmp___1 = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L636] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L775] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.73 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 498.12 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: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. * CodeCheck took 15022.56 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 373.8 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -419.7 MB). Peak memory consumption was 642.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...