./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_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_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:01:49,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:01:49,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:01:49,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:01:49,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:01:49,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:01:49,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:01:49,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:01:49,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:01:49,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:01:49,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:01:49,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:01:49,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:01:49,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:01:49,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:01:49,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:01:49,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:01:49,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:01:49,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:01:49,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:01:49,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:01:49,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:01:49,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:01:49,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:01:49,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:01:49,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:01:49,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:01:49,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:01:49,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:01:49,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:01:49,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:01:49,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:01:49,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:01:49,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:01:49,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:01:49,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:01:49,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:01:49,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:01:49,109 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:01:49,110 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:01:49,110 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:01:49,110 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:01:49,110 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:01:49,111 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:01:49,111 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:01:49,112 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:01:49,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:01:49,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:01:49,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:01:49,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:01:49,114 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_deed61d6-2b37-41ca-8586-d6b131e2f1d4/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-11-22 23:01:49,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:01:49,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:01:49,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:01:49,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:01:49,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:01:49,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-22 23:01:49,193 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/data/c5a8a4083/78f2c7b5b86e4c6b851e4627f49a3760/FLAGeaf2da31e [2018-11-22 23:01:49,564 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:01:49,565 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-22 23:01:49,571 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/data/c5a8a4083/78f2c7b5b86e4c6b851e4627f49a3760/FLAGeaf2da31e [2018-11-22 23:01:49,583 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/data/c5a8a4083/78f2c7b5b86e4c6b851e4627f49a3760 [2018-11-22 23:01:49,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:01:49,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:01:49,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:01:49,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:01:49,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:01:49,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:49,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49, skipping insertion in model container [2018-11-22 23:01:49,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:49,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:01:49,641 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:01:49,856 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:01:49,911 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:01:49,969 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:01:49,987 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:01:49,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49 WrapperNode [2018-11-22 23:01:49,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:01:49,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:01:49,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:01:49,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:01:49,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:01:50,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:01:50,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:01:50,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:01:50,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... [2018-11-22 23:01:50,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:01:50,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:01:50,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:01:50,053 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:01:50,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:01:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/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 [2018-11-22 23:01:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:01:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:01:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:01:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:01:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:01:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:01:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:01:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:01:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:01:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:01:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:01:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:01:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:01:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:01:50,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:01:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:01:50,612 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:01:50,612 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-22 23:01:50,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:01:50 BoogieIcfgContainer [2018-11-22 23:01:50,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:01:50,613 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:01:50,613 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:01:50,620 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:01:50,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:01:50" (1/1) ... [2018-11-22 23:01:50,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:01:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-11-22 23:01:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-11-22 23:01:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 23:01:50,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-22 23:01:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-22 23:01:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:01:50,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:50,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-11-22 23:01:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-11-22 23:01:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:01:50,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-11-22 23:01:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-11-22 23:01:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:01:51,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-11-22 23:01:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-11-22 23:01:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 23:01:51,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2018-11-22 23:01:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2018-11-22 23:01:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 23:01:51,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2018-11-22 23:01:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2018-11-22 23:01:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 23:01:51,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2018-11-22 23:01:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2018-11-22 23:01:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 23:01:51,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 88 states and 145 transitions. [2018-11-22 23:01:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 145 transitions. [2018-11-22 23:01:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 23:01:52,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2018-11-22 23:01:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2018-11-22 23:01:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:01:52,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2018-11-22 23:01:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2018-11-22 23:01:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 23:01:52,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2018-11-22 23:01:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2018-11-22 23:01:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 23:01:52,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 165 transitions. [2018-11-22 23:01:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2018-11-22 23:01:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 23:01:52,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2018-11-22 23:01:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2018-11-22 23:01:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 23:01:52,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 182 transitions. [2018-11-22 23:01:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2018-11-22 23:01:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 23:01:52,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 110 states and 185 transitions. [2018-11-22 23:01:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2018-11-22 23:01:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 23:01:52,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 111 states and 188 transitions. [2018-11-22 23:01:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2018-11-22 23:01:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 23:01:52,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 196 transitions. [2018-11-22 23:01:53,054 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2018-11-22 23:01:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:01:53,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 203 transitions. [2018-11-22 23:01:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2018-11-22 23:01:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 23:01:53,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 204 transitions. [2018-11-22 23:01:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 204 transitions. [2018-11-22 23:01:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 23:01:53,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 205 transitions. [2018-11-22 23:01:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2018-11-22 23:01:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:01:53,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 133 states and 243 transitions. [2018-11-22 23:01:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2018-11-22 23:01:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:01:53,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 135 states and 245 transitions. [2018-11-22 23:01:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2018-11-22 23:01:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 23:01:53,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:01:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 143 states and 265 transitions. [2018-11-22 23:01:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 265 transitions. [2018-11-22 23:01:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 23:01:55,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:01:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 144 states and 265 transitions. [2018-11-22 23:01:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 265 transitions. [2018-11-22 23:01:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 23:01:55,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 145 states and 266 transitions. [2018-11-22 23:01:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 266 transitions. [2018-11-22 23:01:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 23:01:55,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 146 states and 267 transitions. [2018-11-22 23:01:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 267 transitions. [2018-11-22 23:01:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 23:01:55,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 149 states and 269 transitions. [2018-11-22 23:01:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2018-11-22 23:01:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 23:01:55,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 269 transitions. [2018-11-22 23:01:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2018-11-22 23:01:56,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 23:01:56,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 154 states and 271 transitions. [2018-11-22 23:01:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2018-11-22 23:01:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 23:01:56,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 23:01:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 125 states and 205 transitions. [2018-11-22 23:01:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2018-11-22 23:01:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 23:01:56,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:01:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 129 states and 212 transitions. [2018-11-22 23:01:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2018-11-22 23:01:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 23:01:56,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 23:01:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 130 states and 212 transitions. [2018-11-22 23:01:57,010 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2018-11-22 23:01:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:01:57,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:01:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 128 states and 208 transitions. [2018-11-22 23:01:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions. [2018-11-22 23:01:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:01:57,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 23:01:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 125 states and 202 transitions. [2018-11-22 23:01:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2018-11-22 23:01:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 23:01:57,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:01:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:01:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 23:01:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:01:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 72 states and 104 transitions. [2018-11-22 23:01:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2018-11-22 23:01:57,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:01:57,136 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-22 23:01:57,146 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:01:57,374 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,377 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,377 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-22 23:01:57,380 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,380 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,380 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-22 23:01:57,381 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,381 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,381 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,381 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-22 23:01:57,382 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,382 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,382 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:01:57,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:01:57 ImpRootNode [2018-11-22 23:01:57,382 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:01:57,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:01:57,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:01:57,383 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:01:57,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:01:50" (3/4) ... [2018-11-22 23:01:57,385 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:01:57,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:01:57,394 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-22 23:01:57,394 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-22 23:01:57,395 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-22 23:01:57,395 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 23:01:57,395 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:01:57,395 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:01:57,395 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:01:57,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-11-22 23:01:57,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-11-22 23:01:57,440 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_deed61d6-2b37-41ca-8586-d6b131e2f1d4/bin-2019/ukojak/witness.graphml [2018-11-22 23:01:57,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:01:57,441 INFO L168 Benchmark]: Toolchain (without parser) took 7854.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 955.5 MB in the beginning and 912.2 MB in the end (delta: 43.3 MB). Peak memory consumption was 276.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:01:57,442 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. [2018-11-22 23:01:57,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:01:57,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.89 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. [2018-11-22 23:01:57,443 INFO L168 Benchmark]: Boogie Preprocessor took 23.69 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. [2018-11-22 23:01:57,443 INFO L168 Benchmark]: RCFGBuilder took 559.79 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:01:57,443 INFO L168 Benchmark]: CodeCheck took 6769.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 140.0 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:01:57,444 INFO L168 Benchmark]: Witness Printer took 57.28 ms. Allocated memory is still 1.3 GB. Free memory was 919.8 MB in the beginning and 912.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:01:57,445 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, 68 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1822188904 SDtfs, 299727812 SDslu, 1344901056 SDs, 0 SdLazy, -646037092 SolverSat, -945935912 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10944 GetRequests, 10600 SyntacticMatches, 162 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14218 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1050 ConstructedInterpolants, 0 QuantifiedInterpolants, 82161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 284/318 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: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0 == pumpRunning && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: 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 400.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.89 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 23.69 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 559.79 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: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6769.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 140.0 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.28 ms. Allocated memory is still 1.3 GB. Free memory was 919.8 MB in the beginning and 912.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...