./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/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 84bee68029cd4e9781f81f2ec079192bad30236f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 07:56:28,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:56:28,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:56:28,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:56:28,661 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:56:28,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:56:28,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:56:28,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:56:28,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:56:28,666 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:56:28,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:56:28,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:56:28,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:56:28,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:56:28,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:56:28,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:56:28,670 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:56:28,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:56:28,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:56:28,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:56:28,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:56:28,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:56:28,677 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:56:28,677 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:56:28,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:56:28,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:56:28,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:56:28,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:56:28,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:56:28,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:56:28,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:56:28,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:56:28,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:56:28,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:56:28,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:56:28,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:56:28,684 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 07:56:28,694 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:56:28,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:56:28,695 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:56:28,695 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 07:56:28,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 07:56:28,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 07:56:28,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:56:28,696 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:56:28,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 07:56:28,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:56:28,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 07:56:28,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:56:28,697 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 07:56:28,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 07:56:28,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:56:28,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 07:56:28,699 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_e8e0e6e9-545d-4b1e-8c70-06f929e09471/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-12-09 07:56:28,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:56:28,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:56:28,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:56:28,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:56:28,731 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:56:28,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-12-09 07:56:28,769 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/data/71215d028/7a22424cf2df4aa586fa74a4e1738140/FLAG07001cf1c [2018-12-09 07:56:29,103 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:56:29,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-12-09 07:56:29,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/data/71215d028/7a22424cf2df4aa586fa74a4e1738140/FLAG07001cf1c [2018-12-09 07:56:29,118 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/data/71215d028/7a22424cf2df4aa586fa74a4e1738140 [2018-12-09 07:56:29,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:56:29,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:56:29,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:56:29,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:56:29,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:56:29,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29, skipping insertion in model container [2018-12-09 07:56:29,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:56:29,156 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:56:29,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:56:29,358 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:56:29,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:56:29,423 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:56:29,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29 WrapperNode [2018-12-09 07:56:29,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:56:29,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:56:29,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:56:29,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:56:29,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:56:29,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:56:29,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:56:29,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:56:29,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:56:29,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:56:29,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:56:29,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:56:29,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:56:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/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 [2018-12-09 07:56:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 07:56:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 07:56:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 07:56:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 07:56:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 07:56:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 07:56:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 07:56:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 07:56:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 07:56:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 07:56:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 07:56:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 07:56:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 07:56:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 07:56:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:56:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:56:29,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:56:29,908 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 07:56:29,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:56:29 BoogieIcfgContainer [2018-12-09 07:56:29,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:56:29,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 07:56:29,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 07:56:29,916 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 07:56:29,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:56:29" (1/1) ... [2018-12-09 07:56:29,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:56:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-09 07:56:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-09 07:56:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 07:56:29,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-09 07:56:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-09 07:56:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 07:56:30,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-09 07:56:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-09 07:56:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 07:56:30,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-09 07:56:30,274 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-09 07:56:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 07:56:30,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-09 07:56:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-09 07:56:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 07:56:30,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2018-12-09 07:56:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2018-12-09 07:56:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 07:56:30,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2018-12-09 07:56:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2018-12-09 07:56:30,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 07:56:30,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-12-09 07:56:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-12-09 07:56:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 07:56:30,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2018-12-09 07:56:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2018-12-09 07:56:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 07:56:31,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2018-12-09 07:56:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2018-12-09 07:56:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 07:56:31,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 165 transitions. [2018-12-09 07:56:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2018-12-09 07:56:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 07:56:31,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2018-12-09 07:56:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-12-09 07:56:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 07:56:31,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 182 transitions. [2018-12-09 07:56:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 182 transitions. [2018-12-09 07:56:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 07:56:31,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 185 transitions. [2018-12-09 07:56:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2018-12-09 07:56:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:31,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 109 states and 188 transitions. [2018-12-09 07:56:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 188 transitions. [2018-12-09 07:56:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:31,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 191 transitions. [2018-12-09 07:56:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 191 transitions. [2018-12-09 07:56:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 07:56:31,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 113 states and 198 transitions. [2018-12-09 07:56:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 198 transitions. [2018-12-09 07:56:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 07:56:31,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 114 states and 200 transitions. [2018-12-09 07:56:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2018-12-09 07:56:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:31,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 118 states and 204 transitions. [2018-12-09 07:56:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 204 transitions. [2018-12-09 07:56:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:32,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 120 states and 205 transitions. [2018-12-09 07:56:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2018-12-09 07:56:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 07:56:32,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 131 states and 245 transitions. [2018-12-09 07:56:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 245 transitions. [2018-12-09 07:56:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 07:56:32,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 252 transitions. [2018-12-09 07:56:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 252 transitions. [2018-12-09 07:56:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:32,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 07:56:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 136 states and 252 transitions. [2018-12-09 07:56:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2018-12-09 07:56:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 07:56:32,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:56:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 276 transitions. [2018-12-09 07:56:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 276 transitions. [2018-12-09 07:56:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 07:56:34,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2018-12-09 07:56:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2018-12-09 07:56:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 07:56:34,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2018-12-09 07:56:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-12-09 07:56:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 07:56:34,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 148 states and 275 transitions. [2018-12-09 07:56:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2018-12-09 07:56:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 07:56:34,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 151 states and 275 transitions. [2018-12-09 07:56:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 275 transitions. [2018-12-09 07:56:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 07:56:34,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 153 states and 277 transitions. [2018-12-09 07:56:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 277 transitions. [2018-12-09 07:56:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 07:56:35,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 07:56:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 124 states and 211 transitions. [2018-12-09 07:56:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2018-12-09 07:56:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 07:56:35,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 07:56:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 128 states and 218 transitions. [2018-12-09 07:56:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2018-12-09 07:56:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 07:56:35,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 07:56:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 129 states and 218 transitions. [2018-12-09 07:56:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2018-12-09 07:56:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 07:56:35,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 07:56:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 116 states and 191 transitions. [2018-12-09 07:56:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-12-09 07:56:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 07:56:35,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 07:56:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 114 states and 187 transitions. [2018-12-09 07:56:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2018-12-09 07:56:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 07:56:35,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 07:56:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:56:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 07:56:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 07:56:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 72 states and 107 transitions. [2018-12-09 07:56:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2018-12-09 07:56:35,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 07:56:35,418 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-12-09 07:56:35,426 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 07:56:35,592 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,594 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,594 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,595 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,595 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,595 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,595 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,595 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 07:56:35,598 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,598 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,598 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-09 07:56:35,599 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 07:56:35,599 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-09 07:56:35,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:56:35 ImpRootNode [2018-12-09 07:56:35,600 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 07:56:35,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:56:35,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:56:35,600 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:56:35,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:56:29" (3/4) ... [2018-12-09 07:56:35,603 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 07:56:35,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 07:56:35,606 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 07:56:35,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 07:56:35,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 07:56:35,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 07:56:35,607 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 07:56:35,611 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-09 07:56:35,611 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 07:56:35,611 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 07:56:35,611 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 07:56:35,611 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 07:56:35,612 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 07:56:35,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && \old(pumpRunning) == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) [2018-12-09 07:56:35,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-12-09 07:56:35,652 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8e0e6e9-545d-4b1e-8c70-06f929e09471/bin-2019/ukojak/witness.graphml [2018-12-09 07:56:35,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:56:35,653 INFO L168 Benchmark]: Toolchain (without parser) took 6533.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.4 MB). Free memory was 956.0 MB in the beginning and 1.3 GB in the end (delta: -339.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-12-09 07:56:35,654 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:56:35,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 07:56:35,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:56:35,655 INFO L168 Benchmark]: Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:56:35,655 INFO L168 Benchmark]: RCFGBuilder took 426.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2018-12-09 07:56:35,655 INFO L168 Benchmark]: CodeCheck took 5690.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:56:35,655 INFO L168 Benchmark]: Witness Printer took 52.54 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:56:35,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. SAFE Result, 5.4s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -815572340 SDtfs, -1513724452 SDslu, -1058920500 SDs, 0 SdLazy, -1786576996 SolverSat, -543381044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10866 GetRequests, 10536 SyntacticMatches, 152 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14033 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1060 NumberOfCodeBlocks, 1060 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1026 ConstructedInterpolants, 0 QuantifiedInterpolants, 78798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 25 PerfectInterpolantSequences, 281/315 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 148]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && \old(pumpRunning) == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 426.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * CodeCheck took 5690.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 52.54 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...