./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:39:50,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:39:50,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:39:50,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:39:50,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:39:50,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:39:50,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:39:50,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:39:50,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:39:50,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:39:50,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:39:50,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:39:50,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:39:50,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:39:50,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:39:50,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:39:50,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:39:50,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:39:50,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:39:50,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:39:50,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:39:50,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:39:50,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:39:50,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:39:50,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:39:50,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:39:50,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:39:50,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:39:50,259 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:39:50,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:39:50,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:39:50,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:39:50,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:39:50,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:39:50,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:39:50,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:39:50,263 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:39:50,273 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:39:50,273 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:39:50,273 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:39:50,274 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:39:50,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:39:50,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:39:50,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:39:50,275 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:39:50,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:39:50,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:39:50,276 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:39:50,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:39:50,276 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:39:50,276 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:39:50,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:39:50,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:39:50,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:39:50,277 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:39:50,277 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:39:50,277 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:39:50,277 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:39:50,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:39:50,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:39:50,280 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_f57e2dd2-1820-4c88-8217-c106be7cc286/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-11-18 17:39:50,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:39:50,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:39:50,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:39:50,316 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:39:50,317 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:39:50,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-18 17:39:50,361 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/data/29cd3402d/bca33141a79d4d2592136e46e32561c5/FLAG02f261f84 [2018-11-18 17:39:50,699 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:39:50,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-18 17:39:50,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/data/29cd3402d/bca33141a79d4d2592136e46e32561c5/FLAG02f261f84 [2018-11-18 17:39:50,720 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/data/29cd3402d/bca33141a79d4d2592136e46e32561c5 [2018-11-18 17:39:50,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:39:50,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:39:50,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:39:50,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:39:50,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:39:50,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:39:50" (1/1) ... [2018-11-18 17:39:50,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:50, skipping insertion in model container [2018-11-18 17:39:50,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:39:50" (1/1) ... [2018-11-18 17:39:50,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:39:50,763 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:39:50,950 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:39:50,959 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:39:51,058 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:39:51,075 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:39:51,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51 WrapperNode [2018-11-18 17:39:51,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:39:51,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:39:51,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:39:51,076 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:39:51,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:39:51,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:39:51,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:39:51,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:39:51,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:39:51,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:39:51,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:39:51,130 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:39:51,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:39:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:39:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:39:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:39:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:39:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:39:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:39:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:39:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:39:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:39:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:39:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:39:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:39:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:39:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:39:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:39:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:39:51,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:39:51,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:39:51 BoogieIcfgContainer [2018-11-18 17:39:51,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:39:51,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:39:51,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:39:51,854 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:39:51,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:39:51" (1/1) ... [2018-11-18 17:39:51,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:39:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-11-18 17:39:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-11-18 17:39:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:39:51,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-18 17:39:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-18 17:39:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:39:52,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-18 17:39:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-18 17:39:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:39:52,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-11-18 17:39:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-11-18 17:39:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:39:52,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 110 transitions. [2018-11-18 17:39:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2018-11-18 17:39:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:39:52,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-11-18 17:39:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-11-18 17:39:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:39:52,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2018-11-18 17:39:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2018-11-18 17:39:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:39:52,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2018-11-18 17:39:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2018-11-18 17:39:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:39:52,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2018-11-18 17:39:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-18 17:39:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:39:52,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2018-11-18 17:39:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2018-11-18 17:39:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:39:53,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 97 states and 148 transitions. [2018-11-18 17:39:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2018-11-18 17:39:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:39:53,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:39:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 103 states and 156 transitions. [2018-11-18 17:39:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2018-11-18 17:39:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:39:53,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 169 transitions. [2018-11-18 17:39:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 169 transitions. [2018-11-18 17:39:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:39:53,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 108 states and 165 transitions. [2018-11-18 17:39:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 165 transitions. [2018-11-18 17:39:53,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:39:53,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:39:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 186 transitions. [2018-11-18 17:39:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 186 transitions. [2018-11-18 17:39:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 17:39:54,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 205 transitions. [2018-11-18 17:39:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2018-11-18 17:39:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:39:55,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 209 transitions. [2018-11-18 17:39:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-11-18 17:39:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:39:55,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 210 transitions. [2018-11-18 17:39:55,274 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-18 17:39:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:39:55,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:39:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 130 states and 211 transitions. [2018-11-18 17:39:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-11-18 17:39:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:39:55,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 233 transitions. [2018-11-18 17:39:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2018-11-18 17:39:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:39:56,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 242 transitions. [2018-11-18 17:39:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2018-11-18 17:39:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 17:39:56,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 152 states and 269 transitions. [2018-11-18 17:39:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2018-11-18 17:39:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:39:57,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 159 states and 292 transitions. [2018-11-18 17:39:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2018-11-18 17:39:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:39:57,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 293 transitions. [2018-11-18 17:39:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2018-11-18 17:39:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:39:57,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:39:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 294 transitions. [2018-11-18 17:39:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2018-11-18 17:39:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:39:57,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:39:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 165 states and 301 transitions. [2018-11-18 17:39:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2018-11-18 17:39:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:39:57,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 17:39:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 311 transitions. [2018-11-18 17:39:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 311 transitions. [2018-11-18 17:39:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:39:58,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:39:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 168 states and 307 transitions. [2018-11-18 17:39:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 307 transitions. [2018-11-18 17:39:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:39:58,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 17:39:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 314 transitions. [2018-11-18 17:39:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2018-11-18 17:39:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 17:39:59,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:39:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 175 states and 317 transitions. [2018-11-18 17:39:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2018-11-18 17:39:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:39:59,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,514 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:39:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 171 states and 305 transitions. [2018-11-18 17:39:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2018-11-18 17:39:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:39:59,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:39:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 172 states and 306 transitions. [2018-11-18 17:39:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2018-11-18 17:39:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 17:39:59,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:39:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:39:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 165 states and 293 transitions. [2018-11-18 17:39:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2018-11-18 17:39:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:39:59,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:39:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:39:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:40:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:40:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 183 states and 333 transitions. [2018-11-18 17:40:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 333 transitions. [2018-11-18 17:40:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:40:01,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:40:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:40:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:40:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:40:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 173 states and 309 transitions. [2018-11-18 17:40:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 309 transitions. [2018-11-18 17:40:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 17:40:01,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:40:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:40:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 17:40:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:40:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 86 states and 119 transitions. [2018-11-18 17:40:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-11-18 17:40:01,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:40:01,894 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-18 17:40:01,900 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:40:02,162 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,165 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:40:02,169 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:40:02,169 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,170 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 17:40:02,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:40:02,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:40:02 ImpRootNode [2018-11-18 17:40:02,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:40:02,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:40:02,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:40:02,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:40:02,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:39:51" (3/4) ... [2018-11-18 17:40:02,176 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:40:02,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:40:02,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:40:02,181 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:40:02,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:40:02,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:40:02,182 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:40:02,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 17:40:02,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 17:40:02,188 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 17:40:02,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 17:40:02,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-18 17:40:02,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || !(0 == pumpRunning)) || 0 == tmp) || !(pumpRunning == \old(pumpRunning)) [2018-11-18 17:40:02,247 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f57e2dd2-1820-4c88-8217-c106be7cc286/bin-2019/ukojak/witness.graphml [2018-11-18 17:40:02,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:40:02,248 INFO L168 Benchmark]: Toolchain (without parser) took 11525.16 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.4 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -472.1 MB). Peak memory consumption was 257.1 kB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,249 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:40:02,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.68 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. [2018-11-18 17:40:02,250 INFO L168 Benchmark]: Boogie Preprocessor took 19.57 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,250 INFO L168 Benchmark]: RCFGBuilder took 713.64 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,250 INFO L168 Benchmark]: CodeCheck took 10327.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 328.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -402.7 MB). Peak memory consumption was 480.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,250 INFO L168 Benchmark]: Witness Printer took 75.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:40:02,252 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, 77 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 908350560 SDtfs, -1750519270 SDslu, 957307816 SDs, 0 SdLazy, -82940238 SolverSat, 2120897920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15935 GetRequests, 15548 SyntacticMatches, 153 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23470 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 182423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 705/769 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: 402]: 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: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || !(0 == pumpRunning)) || 0 == tmp) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.68 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 19.57 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 713.64 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * CodeCheck took 10327.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 328.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -402.7 MB). Peak memory consumption was 480.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...