./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:26:18,752 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:26:18,754 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:26:18,762 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:26:18,762 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:26:18,763 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:26:18,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:26:18,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:26:18,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:26:18,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:26:18,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:26:18,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:26:18,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:26:18,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:26:18,772 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:26:18,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:26:18,773 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:26:18,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:26:18,776 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:26:18,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:26:18,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:26:18,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:26:18,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:26:18,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:26:18,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:26:18,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:26:18,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:26:18,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:26:18,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:26:18,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:26:18,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:26:18,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:26:18,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:26:18,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:26:18,787 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:26:18,787 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:26:18,787 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:26:18,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:26:18,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:26:18,800 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:26:18,801 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:26:18,801 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:26:18,801 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:26:18,801 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:26:18,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:26:18,803 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:26:18,803 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:26:18,803 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:26:18,803 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:26:18,803 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:26:18,803 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:26:18,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:26:18,804 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:26:18,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:26:18,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:26:18,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:26:18,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:26:18,804 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:26:18,805 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:26:18,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:26:18,805 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_c6651d8f-5ca3-4841-9750-e3d599fdb439/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-11-18 12:26:18,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:26:18,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:26:18,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:26:18,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:26:18,845 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:26:18,846 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-18 12:26:18,902 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/data/a6ce03eb9/224e284c8f6248619b117be490096c6c/FLAG57650ca1b [2018-11-18 12:26:19,279 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:26:19,280 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-18 12:26:19,288 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/data/a6ce03eb9/224e284c8f6248619b117be490096c6c/FLAG57650ca1b [2018-11-18 12:26:19,300 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/data/a6ce03eb9/224e284c8f6248619b117be490096c6c [2018-11-18 12:26:19,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:26:19,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:26:19,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:26:19,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:26:19,307 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:26:19,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19, skipping insertion in model container [2018-11-18 12:26:19,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:26:19,357 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:26:19,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:26:19,574 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:26:19,708 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:26:19,730 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:26:19,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19 WrapperNode [2018-11-18 12:26:19,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:26:19,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:26:19,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:26:19,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:26:19,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:26:19,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:26:19,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:26:19,787 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:26:19,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... [2018-11-18 12:26:19,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:26:19,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:26:19,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:26:19,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:26:19,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:26:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:26:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:26:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:26:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:26:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:26:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:26:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:26:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:26:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:26:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:26:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:26:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:26:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:26:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:26:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:26:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:26:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:26:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:26:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:26:21,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:26:21,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:21 BoogieIcfgContainer [2018-11-18 12:26:21,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:26:21,182 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:26:21,182 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:26:21,189 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:26:21,189 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:21" (1/1) ... [2018-11-18 12:26:21,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-11-18 12:26:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-11-18 12:26:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:26:21,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2018-11-18 12:26:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2018-11-18 12:26:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:26:21,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2018-11-18 12:26:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2018-11-18 12:26:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:26:21,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2018-11-18 12:26:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-18 12:26:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:26:21,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-11-18 12:26:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-11-18 12:26:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:26:22,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2018-11-18 12:26:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2018-11-18 12:26:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:26:22,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:22,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2018-11-18 12:26:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2018-11-18 12:26:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:26:22,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 103 states and 152 transitions. [2018-11-18 12:26:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2018-11-18 12:26:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:26:23,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-11-18 12:26:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-11-18 12:26:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:26:24,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 124 states and 189 transitions. [2018-11-18 12:26:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 189 transitions. [2018-11-18 12:26:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:26:25,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 195 transitions. [2018-11-18 12:26:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 195 transitions. [2018-11-18 12:26:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:26:26,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 129 states and 196 transitions. [2018-11-18 12:26:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 196 transitions. [2018-11-18 12:26:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:26:26,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 135 states and 209 transitions. [2018-11-18 12:26:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2018-11-18 12:26:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:26:26,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:26,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 142 states and 227 transitions. [2018-11-18 12:26:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 227 transitions. [2018-11-18 12:26:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:26:26,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:27,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 232 transitions. [2018-11-18 12:26:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2018-11-18 12:26:27,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:26:27,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 226 transitions. [2018-11-18 12:26:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2018-11-18 12:26:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:26:27,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 235 transitions. [2018-11-18 12:26:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 235 transitions. [2018-11-18 12:26:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:26:27,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 157 states and 259 transitions. [2018-11-18 12:26:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 259 transitions. [2018-11-18 12:26:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:26:28,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 155 states and 255 transitions. [2018-11-18 12:26:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 255 transitions. [2018-11-18 12:26:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:26:28,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:26:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 158 states and 261 transitions. [2018-11-18 12:26:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 261 transitions. [2018-11-18 12:26:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:26:30,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 164 states and 274 transitions. [2018-11-18 12:26:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 274 transitions. [2018-11-18 12:26:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:26:32,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 165 states and 276 transitions. [2018-11-18 12:26:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2018-11-18 12:26:32,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:26:32,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:26:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 166 states and 278 transitions. [2018-11-18 12:26:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 278 transitions. [2018-11-18 12:26:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:26:32,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:26:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 175 states and 291 transitions. [2018-11-18 12:26:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 291 transitions. [2018-11-18 12:26:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:26:33,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:26:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 293 transitions. [2018-11-18 12:26:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-11-18 12:26:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:26:34,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:26:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 179 states and 294 transitions. [2018-11-18 12:26:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 294 transitions. [2018-11-18 12:26:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:26:34,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 197 states and 332 transitions. [2018-11-18 12:26:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 332 transitions. [2018-11-18 12:26:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:26:36,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 200 states and 335 transitions. [2018-11-18 12:26:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 335 transitions. [2018-11-18 12:26:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:26:36,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:39,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 213 states and 361 transitions. [2018-11-18 12:26:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 361 transitions. [2018-11-18 12:26:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:26:39,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 213 states and 360 transitions. [2018-11-18 12:26:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 360 transitions. [2018-11-18 12:26:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:26:39,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 214 states and 361 transitions. [2018-11-18 12:26:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 361 transitions. [2018-11-18 12:26:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:26:39,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 217 states and 364 transitions. [2018-11-18 12:26:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 364 transitions. [2018-11-18 12:26:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:26:40,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 218 states and 365 transitions. [2018-11-18 12:26:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 365 transitions. [2018-11-18 12:26:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 12:26:40,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:26:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 214 states and 357 transitions. [2018-11-18 12:26:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 357 transitions. [2018-11-18 12:26:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:26:40,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 217 states and 362 transitions. [2018-11-18 12:26:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 362 transitions. [2018-11-18 12:26:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:26:40,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:26:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 220 states and 364 transitions. [2018-11-18 12:26:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 364 transitions. [2018-11-18 12:26:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:26:40,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:26:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 221 states and 365 transitions. [2018-11-18 12:26:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 365 transitions. [2018-11-18 12:26:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:26:40,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:26:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 228 states and 380 transitions. [2018-11-18 12:26:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 380 transitions. [2018-11-18 12:26:42,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:26:42,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:26:43,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:43,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 231 states and 383 transitions. [2018-11-18 12:26:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 383 transitions. [2018-11-18 12:26:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 12:26:43,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:26:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 238 states and 393 transitions. [2018-11-18 12:26:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions. [2018-11-18 12:26:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:26:44,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:26:45,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 185 states and 288 transitions. [2018-11-18 12:26:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2018-11-18 12:26:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:26:45,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 190 states and 295 transitions. [2018-11-18 12:26:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 295 transitions. [2018-11-18 12:26:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:26:45,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 188 states and 291 transitions. [2018-11-18 12:26:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 291 transitions. [2018-11-18 12:26:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:26:46,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 189 states and 294 transitions. [2018-11-18 12:26:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 294 transitions. [2018-11-18 12:26:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:26:46,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:46,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 192 states and 297 transitions. [2018-11-18 12:26:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 297 transitions. [2018-11-18 12:26:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:26:46,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:26:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 194 states and 299 transitions. [2018-11-18 12:26:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2018-11-18 12:26:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 12:26:46,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 196 states and 302 transitions. [2018-11-18 12:26:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2018-11-18 12:26:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 12:26:47,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 12:26:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 187 states and 285 transitions. [2018-11-18 12:26:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 285 transitions. [2018-11-18 12:26:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:26:47,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 12:26:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 188 states and 286 transitions. [2018-11-18 12:26:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 286 transitions. [2018-11-18 12:26:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:26:47,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:26:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:26:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:26:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 126 states and 169 transitions. [2018-11-18 12:26:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 169 transitions. [2018-11-18 12:26:47,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:26:47,470 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2018-11-18 12:26:47,479 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:26:47,831 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,833 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,833 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,834 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,834 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 12:26:47,836 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,836 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 12:26:47,837 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,837 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,837 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 12:26:47,838 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 12:26:47,838 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 12:26:47,839 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,839 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,839 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,839 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,839 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:26:47,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:26:47 ImpRootNode [2018-11-18 12:26:47,844 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:26:47,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:26:47,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:26:47,844 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:26:47,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:21" (3/4) ... [2018-11-18 12:26:47,848 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:26:47,851 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:26:47,852 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:26:47,857 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-18 12:26:47,857 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:26:47,857 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:26:47,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-18 12:26:47,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-18 12:26:47,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning [2018-11-18 12:26:47,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6651d8f-5ca3-4841-9750-e3d599fdb439/bin-2019/ukojak/witness.graphml [2018-11-18 12:26:47,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:26:47,923 INFO L168 Benchmark]: Toolchain (without parser) took 28619.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -278.4 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,924 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:26:47,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,924 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,925 INFO L168 Benchmark]: RCFGBuilder took 1368.02 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: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,925 INFO L168 Benchmark]: CodeCheck took 26661.27 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -230.1 MB). Peak memory consumption was 392.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,925 INFO L168 Benchmark]: Witness Printer took 78.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:47,929 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, 94 locations, 1 error locations. SAFE Result, 26.2s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 195658260 SDtfs, 459122396 SDslu, -1579769284 SDs, 0 SdLazy, -1729628820 SolverSat, -430712412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21894 GetRequests, 21320 SyntacticMatches, 292 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38633 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2232 NumberOfCodeBlocks, 2232 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2183 ConstructedInterpolants, 0 QuantifiedInterpolants, 232637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 42 PerfectInterpolantSequences, 756/796 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: 534]: 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: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == methaneLevelCritical) || 0 == pumpRunning - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1368.02 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: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. * CodeCheck took 26661.27 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -230.1 MB). Peak memory consumption was 392.0 MB. Max. memory is 11.5 GB. * Witness Printer took 78.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...