./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96a6a55f57d553b5130f5c53dc9262391d0aca1d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:34:12,751 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:34:12,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:34:12,764 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:34:12,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:34:12,765 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:34:12,766 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:34:12,768 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:34:12,769 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:34:12,770 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:34:12,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:34:12,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:34:12,773 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:34:12,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:34:12,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:34:12,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:34:12,776 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:34:12,778 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:34:12,780 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:34:12,782 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:34:12,782 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:34:12,784 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:34:12,786 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:34:12,786 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:34:12,786 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:34:12,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:34:12,788 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:34:12,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:34:12,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:34:12,790 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:34:12,791 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:34:12,792 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:34:12,792 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:34:12,792 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:34:12,793 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:34:12,794 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:34:12,794 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:34:12,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:34:12,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:34:12,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:34:12,808 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:34:12,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:34:12,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:34:12,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:34:12,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:34:12,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:34:12,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:34:12,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:34:12,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:34:12,813 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:34:12,813 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:34:12,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:34:12,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:34:12,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:34:12,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:34:12,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:34:12,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:34:12,815 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:34:12,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:34:12,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:34:12,815 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_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-10-26 20:34:12,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:34:12,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:34:12,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:34:12,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:34:12,875 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:34:12,876 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-10-26 20:34:12,931 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/data/5f8ba96a4/e415b1fe01a34553a8d9806d42d30b65/FLAG6dcd3faaa [2018-10-26 20:34:13,330 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:34:13,331 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-10-26 20:34:13,344 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/data/5f8ba96a4/e415b1fe01a34553a8d9806d42d30b65/FLAG6dcd3faaa [2018-10-26 20:34:13,370 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/data/5f8ba96a4/e415b1fe01a34553a8d9806d42d30b65 [2018-10-26 20:34:13,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:34:13,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:34:13,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:34:13,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:34:13,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:34:13,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:13,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13, skipping insertion in model container [2018-10-26 20:34:13,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:13,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:34:13,440 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:34:13,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:34:13,735 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:34:13,818 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:34:13,844 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:34:13,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13 WrapperNode [2018-10-26 20:34:13,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:34:13,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:34:13,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:34:13,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:34:13,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:13,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:34:14,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:34:14,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:34:14,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:34:14,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... [2018-10-26 20:34:14,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:34:14,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:34:14,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:34:14,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:34:14,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:34:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/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 [2018-10-26 20:34:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:34:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:34:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:34:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:34:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:34:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:34:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:34:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:34:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:34:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:34:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:34:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:34:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:34:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:34:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:34:16,670 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:34:16,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:16 BoogieIcfgContainer [2018-10-26 20:34:16,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:34:16,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:34:16,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:34:16,685 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:34:16,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:16" (1/1) ... [2018-10-26 20:34:16,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:34:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-10-26 20:34:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-10-26 20:34:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:34:16,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-10-26 20:34:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-10-26 20:34:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:34:16,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-10-26 20:34:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-10-26 20:34:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:34:17,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-10-26 20:34:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-10-26 20:34:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:34:18,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-10-26 20:34:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-10-26 20:34:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:34:18,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-10-26 20:34:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-10-26 20:34:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:34:18,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-10-26 20:34:18,468 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-10-26 20:34:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:34:18,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-10-26 20:34:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-10-26 20:34:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 20:34:19,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 142 transitions. [2018-10-26 20:34:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2018-10-26 20:34:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:34:19,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 143 transitions. [2018-10-26 20:34:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-10-26 20:34:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:34:19,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 144 transitions. [2018-10-26 20:34:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-10-26 20:34:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 20:34:20,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2018-10-26 20:34:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2018-10-26 20:34:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 20:34:20,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 168 transitions. [2018-10-26 20:34:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2018-10-26 20:34:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:21,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 164 transitions. [2018-10-26 20:34:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2018-10-26 20:34:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:21,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:34:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 156 transitions. [2018-10-26 20:34:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2018-10-26 20:34:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:34:21,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 113 states and 189 transitions. [2018-10-26 20:34:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2018-10-26 20:34:22,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 20:34:22,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 193 transitions. [2018-10-26 20:34:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2018-10-26 20:34:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 20:34:22,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 195 transitions. [2018-10-26 20:34:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2018-10-26 20:34:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:34:22,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 192 transitions. [2018-10-26 20:34:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2018-10-26 20:34:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 20:34:23,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:34:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 121 states and 192 transitions. [2018-10-26 20:34:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-10-26 20:34:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 20:34:23,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 193 transitions. [2018-10-26 20:34:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2018-10-26 20:34:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 20:34:23,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 123 states and 194 transitions. [2018-10-26 20:34:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2018-10-26 20:34:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:34:23,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:34:23,981 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 20:34:24,368 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 20:34:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 91 states and 130 transitions. [2018-10-26 20:34:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2018-10-26 20:34:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:34:24,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:34:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 95 states and 137 transitions. [2018-10-26 20:34:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2018-10-26 20:34:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:34:25,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 20:34:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 96 states and 137 transitions. [2018-10-26 20:34:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2018-10-26 20:34:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:34:25,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:34:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 133 transitions. [2018-10-26 20:34:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2018-10-26 20:34:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:34:25,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:34:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:34:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 20:34:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:34:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 51 states and 66 transitions. [2018-10-26 20:34:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-10-26 20:34:25,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:34:25,937 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-10-26 20:34:25,948 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:34:26,167 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,170 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,170 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:34:26,175 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,175 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:34:26,175 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,176 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:34:26,177 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,177 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,177 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,177 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:34:26,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:34:26 ImpRootNode [2018-10-26 20:34:26,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:34:26,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:34:26,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:34:26,179 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:34:26,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:34:16" (3/4) ... [2018-10-26 20:34:26,186 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:34:26,192 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:34:26,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:34:26,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:34:26,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:34:26,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:34:26,193 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:34:26,203 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-10-26 20:34:26,204 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 20:34:26,204 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 20:34:26,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-10-26 20:34:26,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-10-26 20:34:26,290 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b81ed80-2248-45f4-aaad-8e196a3752df/bin-2019/ukojak/witness.graphml [2018-10-26 20:34:26,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:34:26,291 INFO L168 Benchmark]: Toolchain (without parser) took 12916.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 959.7 MB in the beginning and 957.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 189.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,292 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 20:34:26,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,293 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,293 INFO L168 Benchmark]: RCFGBuilder took 2625.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,294 INFO L168 Benchmark]: CodeCheck took 9506.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 961.8 MB in the end (delta: 83.5 MB). Peak memory consumption was 119.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,294 INFO L168 Benchmark]: Witness Printer took 111.61 ms. Allocated memory is still 1.2 GB. Free memory was 961.8 MB in the beginning and 957.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:34:26,299 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, 114 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1289437644 SDtfs, 554621820 SDslu, 889715708 SDs, 0 SdLazy, 563412076 SolverSat, 197569100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7412 GetRequests, 7229 SyntacticMatches, 107 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 828 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 802 ConstructedInterpolants, 0 QuantifiedInterpolants, 63712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 225/253 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 680]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 == pumpRunning && tmp == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 469.61 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.25 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2625.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * CodeCheck took 9506.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 961.8 MB in the end (delta: 83.5 MB). Peak memory consumption was 119.7 MB. Max. memory is 11.5 GB. * Witness Printer took 111.61 ms. Allocated memory is still 1.2 GB. Free memory was 961.8 MB in the beginning and 957.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...