./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:47:11,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:47:11,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:47:11,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:47:11,070 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:47:11,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:47:11,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:47:11,072 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:47:11,073 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:47:11,074 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:47:11,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:47:11,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:47:11,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:47:11,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:47:11,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:47:11,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:47:11,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:47:11,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:47:11,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:47:11,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:47:11,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:47:11,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:47:11,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:47:11,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:47:11,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:47:11,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:47:11,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:47:11,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:47:11,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:47:11,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:47:11,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:47:11,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:47:11,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:47:11,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:47:11,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:47:11,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:47:11,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:47:11,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:47:11,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:47:11,095 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:47:11,095 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:47:11,095 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:47:11,095 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:47:11,095 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:47:11,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:47:11,097 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:47:11,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:47:11,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:47:11,098 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:47:11,098 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:47:11,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:47:11,098 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:47:11,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:47:11,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:47:11,098 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_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2018-12-01 17:47:11,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:47:11,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:47:11,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:47:11,125 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:47:11,125 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:47:11,126 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-12-01 17:47:11,159 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/data/4a334e849/2f61a463f3bd40a0b420998d5c96671c/FLAG069669997 [2018-12-01 17:47:11,581 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:47:11,581 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-12-01 17:47:11,587 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/data/4a334e849/2f61a463f3bd40a0b420998d5c96671c/FLAG069669997 [2018-12-01 17:47:11,595 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/data/4a334e849/2f61a463f3bd40a0b420998d5c96671c [2018-12-01 17:47:11,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:47:11,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:47:11,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:47:11,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:47:11,600 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:47:11,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11, skipping insertion in model container [2018-12-01 17:47:11,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:47:11,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:47:11,769 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:47:11,811 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:47:11,853 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:47:11,870 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:47:11,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11 WrapperNode [2018-12-01 17:47:11,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:47:11,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:47:11,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:47:11,871 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:47:11,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:47:11,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:47:11,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:47:11,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:47:11,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... [2018-12-01 17:47:11,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:47:11,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:47:11,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:47:11,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:47:11,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/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 [2018-12-01 17:47:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:47:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:47:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:47:11,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:47:11,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:47:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:47:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:47:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:47:12,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:47:12,374 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-01 17:47:12,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:12 BoogieIcfgContainer [2018-12-01 17:47:12,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:47:12,375 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:47:12,375 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:47:12,384 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:47:12,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:12" (1/1) ... [2018-12-01 17:47:12,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:47:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2018-12-01 17:47:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2018-12-01 17:47:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 17:47:12,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-12-01 17:47:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-12-01 17:47:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 17:47:12,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-12-01 17:47:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-12-01 17:47:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 17:47:12,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-12-01 17:47:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-12-01 17:47:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 17:47:12,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2018-12-01 17:47:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2018-12-01 17:47:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 17:47:12,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:12,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2018-12-01 17:47:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2018-12-01 17:47:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:47:12,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-12-01 17:47:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-12-01 17:47:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 17:47:13,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2018-12-01 17:47:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2018-12-01 17:47:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:47:13,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 99 states and 150 transitions. [2018-12-01 17:47:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2018-12-01 17:47:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:47:13,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 112 states and 178 transitions. [2018-12-01 17:47:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 178 transitions. [2018-12-01 17:47:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 17:47:14,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 183 transitions. [2018-12-01 17:47:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2018-12-01 17:47:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 17:47:14,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:47:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 177 transitions. [2018-12-01 17:47:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 177 transitions. [2018-12-01 17:47:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 17:47:14,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 178 transitions. [2018-12-01 17:47:14,297 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2018-12-01 17:47:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 17:47:14,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 191 transitions. [2018-12-01 17:47:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2018-12-01 17:47:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 17:47:14,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 187 transitions. [2018-12-01 17:47:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2018-12-01 17:47:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 17:47:14,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:47:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 196 transitions. [2018-12-01 17:47:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2018-12-01 17:47:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 17:47:15,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 17:47:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 111 states and 176 transitions. [2018-12-01 17:47:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2018-12-01 17:47:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 17:47:15,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:47:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 180 transitions. [2018-12-01 17:47:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2018-12-01 17:47:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 17:47:15,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:47:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 119 states and 199 transitions. [2018-12-01 17:47:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2018-12-01 17:47:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 17:47:16,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:47:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 121 states and 204 transitions. [2018-12-01 17:47:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2018-12-01 17:47:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 17:47:16,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:47:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 128 states and 220 transitions. [2018-12-01 17:47:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2018-12-01 17:47:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 17:47:17,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:47:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 134 states and 231 transitions. [2018-12-01 17:47:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2018-12-01 17:47:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 17:47:17,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:47:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 137 states and 236 transitions. [2018-12-01 17:47:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2018-12-01 17:47:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 17:47:17,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 17:47:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 139 states and 238 transitions. [2018-12-01 17:47:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2018-12-01 17:47:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 17:47:18,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:47:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 121 states and 195 transitions. [2018-12-01 17:47:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-12-01 17:47:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 17:47:18,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 17:47:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 123 states and 195 transitions. [2018-12-01 17:47:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2018-12-01 17:47:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 17:47:18,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 125 states and 198 transitions. [2018-12-01 17:47:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2018-12-01 17:47:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 17:47:18,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 17:47:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 126 states and 199 transitions. [2018-12-01 17:47:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2018-12-01 17:47:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 17:47:18,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:47:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:47:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:47:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:47:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 71 states and 87 transitions. [2018-12-01 17:47:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-01 17:47:18,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:47:18,956 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-01 17:47:18,962 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:47:19,171 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-01 17:47:19,177 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,177 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,177 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,177 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,177 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 17:47:19,178 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,178 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 17:47:19,178 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,179 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,179 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-01 17:47:19,179 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,179 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:47:19,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:47:19 ImpRootNode [2018-12-01 17:47:19,180 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:47:19,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:47:19,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:47:19,180 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:47:19,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:12" (3/4) ... [2018-12-01 17:47:19,184 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 17:47:19,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 17:47:19,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 17:47:19,195 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-12-01 17:47:19,195 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 17:47:19,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 17:47:19,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 17:47:19,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:47:19,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:47:19,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive [2018-12-01 17:47:19,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-01 17:47:19,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == tmp || (!(0 == tmp) && !(\old(pumpRunning) == pumpRunning))) || (!(0 == tmp) && !(0 == pumpRunning)) [2018-12-01 17:47:19,244 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e7ca07e-879e-45ce-a8dd-0366abfb16d2/bin-2019/ukojak/witness.graphml [2018-12-01 17:47:19,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:47:19,245 INFO L168 Benchmark]: Toolchain (without parser) took 7648.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 957.1 MB in the beginning and 891.8 MB in the end (delta: 65.3 MB). Peak memory consumption was 390.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:47:19,246 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:47:19,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:47:19,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.65 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. [2018-12-01 17:47:19,247 INFO L168 Benchmark]: Boogie Preprocessor took 18.47 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. [2018-12-01 17:47:19,247 INFO L168 Benchmark]: RCFGBuilder took 453.90 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:47:19,247 INFO L168 Benchmark]: CodeCheck took 6804.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 903.0 MB in the end (delta: 109.1 MB). Peak memory consumption was 325.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:47:19,247 INFO L168 Benchmark]: Witness Printer took 64.33 ms. Allocated memory is still 1.4 GB. Free memory was 903.0 MB in the beginning and 891.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-01 17:47:19,249 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1902199364 SDtfs, 1730960764 SDslu, -1384025220 SDs, 0 SdLazy, -1623914116 SolverSat, 839370660 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12334 GetRequests, 12060 SyntacticMatches, 78 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18432 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1260 NumberOfCodeBlocks, 1260 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1232 ConstructedInterpolants, 0 QuantifiedInterpolants, 116559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 382/402 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: 650]: 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: 426]: Loop Invariant Derived loop invariant: (methaneLevelCritical == tmp || (!(0 == tmp) && !(\old(pumpRunning) == pumpRunning))) || (!(0 == tmp) && !(0 == pumpRunning)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.65 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 18.47 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 453.90 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: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6804.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 903.0 MB in the end (delta: 109.1 MB). Peak memory consumption was 325.6 MB. Max. memory is 11.5 GB. * Witness Printer took 64.33 ms. Allocated memory is still 1.4 GB. Free memory was 903.0 MB in the beginning and 891.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...