./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/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 d3ef47dc64404f2fae365adb4fa9379fd10f9c50 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:33:46,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:33:46,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:33:46,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:33:46,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:33:46,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:33:46,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:33:46,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:33:46,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:33:46,098 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:33:46,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:33:46,099 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:33:46,100 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:33:46,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:33:46,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:33:46,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:33:46,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:33:46,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:33:46,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:33:46,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:33:46,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:33:46,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:33:46,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:33:46,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:33:46,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:33:46,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:33:46,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:33:46,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:33:46,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:33:46,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:33:46,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:33:46,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:33:46,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:33:46,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:33:46,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:33:46,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:33:46,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:33:46,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:33:46,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:33:46,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:33:46,125 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:33:46,126 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:33:46,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:33:46,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:33:46,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:33:46,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:33:46,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:33:46,127 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:33:46,127 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:33:46,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:33:46,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:33:46,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:33:46,128 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_d0509da2-05a8-45dc-92a1-7c9c63505379/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 -> d3ef47dc64404f2fae365adb4fa9379fd10f9c50 [2018-12-08 20:33:46,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:33:46,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:33:46,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:33:46,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:33:46,160 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:33:46,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product43_false-unreach-call_false-termination.cil.c [2018-12-08 20:33:46,193 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/data/43b415825/86d3331e24ae4a5ab4237d334eba5635/FLAG93fd51487 [2018-12-08 20:33:46,547 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:33:46,547 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/sv-benchmarks/c/product-lines/minepump_spec2_product43_false-unreach-call_false-termination.cil.c [2018-12-08 20:33:46,553 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/data/43b415825/86d3331e24ae4a5ab4237d334eba5635/FLAG93fd51487 [2018-12-08 20:33:46,925 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/data/43b415825/86d3331e24ae4a5ab4237d334eba5635 [2018-12-08 20:33:46,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:33:46,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:33:46,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:33:46,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:33:46,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:33:46,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:33:46" (1/1) ... [2018-12-08 20:33:46,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541c0bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:46, skipping insertion in model container [2018-12-08 20:33:46,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:33:46" (1/1) ... [2018-12-08 20:33:46,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:33:46,965 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:33:47,107 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:33:47,114 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:33:47,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:33:47,211 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:33:47,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47 WrapperNode [2018-12-08 20:33:47,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:33:47,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:33:47,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:33:47,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:33:47,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:33:47,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:33:47,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:33:47,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:33:47,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:33:47,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:33:47,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:33:47,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:33:47,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:33:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/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 [2018-12-08 20:33:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:33:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 20:33:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 20:33:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 20:33:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 20:33:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 20:33:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 20:33:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 20:33:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 20:33:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 20:33:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 20:33:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 20:33:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 20:33:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 20:33:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:33:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:33:47,709 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:33:47,709 INFO L280 CfgBuilder]: Removed 44 assue(true) statements. [2018-12-08 20:33:47,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:33:47 BoogieIcfgContainer [2018-12-08 20:33:47,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:33:47,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:33:47,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:33:47,719 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:33:47,720 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:33:47" (1/1) ... [2018-12-08 20:33:47,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:33:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-08 20:33:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-08 20:33:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 20:33:47,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:47,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-08 20:33:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-08 20:33:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 20:33:47,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-08 20:33:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-08 20:33:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 20:33:47,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-08 20:33:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-08 20:33:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 20:33:48,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2018-12-08 20:33:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2018-12-08 20:33:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 20:33:48,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2018-12-08 20:33:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2018-12-08 20:33:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 20:33:48,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2018-12-08 20:33:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2018-12-08 20:33:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 20:33:48,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2018-12-08 20:33:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2018-12-08 20:33:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 20:33:48,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 162 transitions. [2018-12-08 20:33:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2018-12-08 20:33:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 20:33:49,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 98 states and 165 transitions. [2018-12-08 20:33:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2018-12-08 20:33:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 20:33:49,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 168 transitions. [2018-12-08 20:33:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 168 transitions. [2018-12-08 20:33:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 20:33:49,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 169 transitions. [2018-12-08 20:33:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 169 transitions. [2018-12-08 20:33:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 20:33:49,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:33:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 178 transitions. [2018-12-08 20:33:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 178 transitions. [2018-12-08 20:33:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 20:33:49,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 185 transitions. [2018-12-08 20:33:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2018-12-08 20:33:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 20:33:49,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:33:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 190 transitions. [2018-12-08 20:33:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2018-12-08 20:33:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 20:33:49,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 118 states and 206 transitions. [2018-12-08 20:33:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2018-12-08 20:33:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 20:33:50,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 116 states and 202 transitions. [2018-12-08 20:33:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2018-12-08 20:33:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 20:33:50,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:33:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 119 states and 210 transitions. [2018-12-08 20:33:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2018-12-08 20:33:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 20:33:50,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:33:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 121 states and 211 transitions. [2018-12-08 20:33:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2018-12-08 20:33:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 20:33:51,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 123 states and 216 transitions. [2018-12-08 20:33:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2018-12-08 20:33:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 20:33:51,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 237 transitions. [2018-12-08 20:33:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 237 transitions. [2018-12-08 20:33:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 20:33:51,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:33:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 134 states and 239 transitions. [2018-12-08 20:33:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 239 transitions. [2018-12-08 20:33:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 20:33:51,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 136 states and 240 transitions. [2018-12-08 20:33:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 240 transitions. [2018-12-08 20:33:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 20:33:51,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 143 states and 259 transitions. [2018-12-08 20:33:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 259 transitions. [2018-12-08 20:33:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 20:33:51,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 260 transitions. [2018-12-08 20:33:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 260 transitions. [2018-12-08 20:33:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 20:33:52,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 20:33:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 302 transitions. [2018-12-08 20:33:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 302 transitions. [2018-12-08 20:33:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 20:33:54,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 303 transitions. [2018-12-08 20:33:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 303 transitions. [2018-12-08 20:33:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 20:33:54,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 20:33:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 163 states and 304 transitions. [2018-12-08 20:33:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2018-12-08 20:33:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 20:33:54,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:33:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 309 transitions. [2018-12-08 20:33:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 309 transitions. [2018-12-08 20:33:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 20:33:56,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 20:33:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 168 states and 301 transitions. [2018-12-08 20:33:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 301 transitions. [2018-12-08 20:33:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 20:33:56,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 309 transitions. [2018-12-08 20:33:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 309 transitions. [2018-12-08 20:33:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 20:33:57,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 169 states and 305 transitions. [2018-12-08 20:33:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-12-08 20:33:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 20:33:57,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 170 states and 308 transitions. [2018-12-08 20:33:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2018-12-08 20:33:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 20:33:57,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 171 states and 310 transitions. [2018-12-08 20:33:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 310 transitions. [2018-12-08 20:33:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 20:33:57,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 172 states and 311 transitions. [2018-12-08 20:33:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 311 transitions. [2018-12-08 20:33:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 20:33:57,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:33:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 174 states and 314 transitions. [2018-12-08 20:33:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2018-12-08 20:33:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 20:33:57,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:33:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 175 states and 315 transitions. [2018-12-08 20:33:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 315 transitions. [2018-12-08 20:33:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 20:33:58,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 20:33:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 176 states and 316 transitions. [2018-12-08 20:33:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 316 transitions. [2018-12-08 20:33:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 20:33:58,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 186 states and 349 transitions. [2018-12-08 20:34:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 349 transitions. [2018-12-08 20:34:01,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 20:34:01,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 20:34:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 178 states and 328 transitions. [2018-12-08 20:34:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 328 transitions. [2018-12-08 20:34:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 20:34:01,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 186 states and 354 transitions. [2018-12-08 20:34:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 354 transitions. [2018-12-08 20:34:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 20:34:02,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 188 states and 360 transitions. [2018-12-08 20:34:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 360 transitions. [2018-12-08 20:34:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 20:34:03,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 189 states and 361 transitions. [2018-12-08 20:34:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 361 transitions. [2018-12-08 20:34:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:34:03,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 197 states and 383 transitions. [2018-12-08 20:34:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 383 transitions. [2018-12-08 20:34:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:34:05,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 202 states and 391 transitions. [2018-12-08 20:34:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 391 transitions. [2018-12-08 20:34:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 20:34:06,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 202 states and 382 transitions. [2018-12-08 20:34:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 382 transitions. [2018-12-08 20:34:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 20:34:07,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:34:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 208 states and 394 transitions. [2018-12-08 20:34:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 394 transitions. [2018-12-08 20:34:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:34:08,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 221 states and 428 transitions. [2018-12-08 20:34:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 428 transitions. [2018-12-08 20:34:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:34:12,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 223 states and 419 transitions. [2018-12-08 20:34:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 419 transitions. [2018-12-08 20:34:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 20:34:12,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 20:34:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 224 states and 420 transitions. [2018-12-08 20:34:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 420 transitions. [2018-12-08 20:34:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:34:12,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:34:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 233 states and 418 transitions. [2018-12-08 20:34:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 418 transitions. [2018-12-08 20:34:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:34:15,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:34:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 235 states and 419 transitions. [2018-12-08 20:34:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 419 transitions. [2018-12-08 20:34:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 20:34:15,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 20:34:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 236 states and 420 transitions. [2018-12-08 20:34:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 420 transitions. [2018-12-08 20:34:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 20:34:15,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 20:34:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 237 states and 437 transitions. [2018-12-08 20:34:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 437 transitions. [2018-12-08 20:34:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 20:34:32,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:34:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:34:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:34:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:34:32,415 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 54 iterations. [2018-12-08 20:34:32,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:34:32 ImpRootNode [2018-12-08 20:34:32,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:34:32,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:34:32,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:34:32,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:34:32,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:33:47" (3/4) ... [2018-12-08 20:34:32,523 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 20:34:32,589 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d0509da2-05a8-45dc-92a1-7c9c63505379/bin-2019/ukojak/witness.graphml [2018-12-08 20:34:32,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:34:32,590 INFO L168 Benchmark]: Toolchain (without parser) took 45660.00 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 735.1 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 641.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: Boogie Preprocessor took 18.16 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. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: RCFGBuilder took 446.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:32,591 INFO L168 Benchmark]: CodeCheck took 44810.62 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 665.8 MB). Free memory was 985.5 MB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 588.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:32,592 INFO L168 Benchmark]: Witness Printer took 68.84 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:34:32,592 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, 74 locations, 1 error locations. UNSAFE Result, 44.6s OverallTime, 54 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1023964764 SDtfs, -1442700552 SDslu, -654956700 SDs, 0 SdLazy, -1807135666 SolverSat, 1943548622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27610 GetRequests, 26629 SyntacticMatches, 393 SemanticMatches, 588 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187507 ImplicationChecksByTransitivity, 41.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2532 NumberOfCodeBlocks, 2532 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2403 ConstructedInterpolants, 0 QuantifiedInterpolants, 361799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 35 PerfectInterpolantSequences, 1218/1372 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 946]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L507] int cleanupTimeShifts = 4; [L648] int methAndRunningLastTime ; [L757] int pumpRunning = 0; [L758] int systemActive = 1; [L588] int retValue_acc ; [L589] int tmp ; [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); [L595] tmp = valid_product() [L597] COND TRUE \read(tmp) [L653] methAndRunningLastTime = 0 [L689] int splverifierCounter ; [L690] int tmp ; [L691] int tmp___0 ; [L692] int tmp___1 ; [L693] int tmp___2 ; [L696] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L710] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L710] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] COND TRUE ! pumpRunning [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L914] tmp = isHighWaterSensorDry() [L916] COND FALSE !(\read(tmp)) [L919] tmp___0 = 1 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L798] tmp = isHighWaterLevel() [L800] COND TRUE \read(tmp) [L827] int tmp ; [L852] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L856] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L856] retValue_acc = isMethaneLevelCritical() [L858] return (retValue_acc); [L831] tmp = isMethaneAlarm() [L833] COND FALSE !(\read(tmp)) [L821] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L681] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L743] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L720] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L720] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L764] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] COND FALSE !(\read(methAndRunningLastTime)) [L675] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L698] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE splverifierCounter < 4 [L706] tmp = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L716] tmp___0 = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L726] tmp___2 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L743] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L771] COND TRUE \read(systemActive) [L793] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L796] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L811] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L658] int tmp ; [L659] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L663] tmp = isMethaneLevelCritical() [L665] COND TRUE \read(tmp) [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L667] tmp___0 = isPumpRunning() [L669] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L670] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L946] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.16 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 446.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 44810.62 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 665.8 MB). Free memory was 985.5 MB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 588.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.84 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...