./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_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_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/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 28a54042f1f5566756557cd1279c2453038441ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:58:07,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:58:07,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:58:07,196 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:58:07,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:58:07,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:58:07,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:58:07,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:58:07,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:58:07,208 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:58:07,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:58:07,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:58:07,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:58:07,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:58:07,216 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:58:07,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:58:07,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:58:07,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:58:07,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:58:07,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:58:07,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:58:07,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:58:07,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:58:07,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:58:07,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:58:07,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:58:07,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:58:07,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:58:07,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:58:07,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:58:07,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:58:07,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:58:07,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:58:07,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:58:07,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:58:07,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:58:07,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:58:07,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:58:07,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:58:07,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:58:07,261 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:58:07,262 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:58:07,262 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:58:07,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:58:07,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:58:07,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:58:07,264 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:58:07,264 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:58:07,264 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:58:07,264 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:58:07,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:58:07,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:58:07,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:58:07,265 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:58:07,265 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:58:07,265 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:58:07,265 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:58:07,266 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:58:07,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:58:07,266 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_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-10-26 20:58:07,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:58:07,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:58:07,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:58:07,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:58:07,321 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:58:07,323 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-10-26 20:58:07,381 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/data/8b8a3d0a6/83f7c0b2f76642588e3d8100ebcabddb/FLAG2091d4a52 [2018-10-26 20:58:07,813 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:58:07,814 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-10-26 20:58:07,827 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/data/8b8a3d0a6/83f7c0b2f76642588e3d8100ebcabddb/FLAG2091d4a52 [2018-10-26 20:58:07,841 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/data/8b8a3d0a6/83f7c0b2f76642588e3d8100ebcabddb [2018-10-26 20:58:07,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:58:07,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:58:07,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:58:07,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:58:07,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:58:07,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:58:07" (1/1) ... [2018-10-26 20:58:07,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea9f3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:07, skipping insertion in model container [2018-10-26 20:58:07,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:58:07" (1/1) ... [2018-10-26 20:58:07,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:58:07,915 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:58:08,202 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:58:08,216 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:58:08,316 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:58:08,354 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:58:08,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08 WrapperNode [2018-10-26 20:58:08,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:58:08,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:58:08,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:58:08,356 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:58:08,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:58:08,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:58:08,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:58:08,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:58:08,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... [2018-10-26 20:58:08,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:58:08,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:58:08,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:58:08,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:58:08,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/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 20:58:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:58:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:58:08,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:58:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:58:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:58:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:58:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:58:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:58:08,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:58:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:58:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:58:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:58:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:58:08,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:58:08,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:58:11,289 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:58:11,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:58:11 BoogieIcfgContainer [2018-10-26 20:58:11,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:58:11,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:58:11,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:58:11,301 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:58:11,301 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:58:11" (1/1) ... [2018-10-26 20:58:11,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:58:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-10-26 20:58:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-10-26 20:58:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:58:11,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:11,608 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 20:58:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-10-26 20:58:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-10-26 20:58:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:58:11,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:11,798 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 20:58:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-10-26 20:58:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-10-26 20:58:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:58:11,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:12,094 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 20:58:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-10-26 20:58:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-10-26 20:58:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:58:12,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:12,508 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 20:58:13,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2018-10-26 20:58:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2018-10-26 20:58:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:58:13,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:13,323 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 20:58:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-10-26 20:58:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-10-26 20:58:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:58:14,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:14,346 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 20:58:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 159 transitions. [2018-10-26 20:58:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-10-26 20:58:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:58:14,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:14,805 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 20:58:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 176 transitions. [2018-10-26 20:58:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2018-10-26 20:58:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:58:15,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:15,844 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 20:58:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 178 transitions. [2018-10-26 20:58:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2018-10-26 20:58:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 20:58:16,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:16,091 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 20:58:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 179 transitions. [2018-10-26 20:58:16,169 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2018-10-26 20:58:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:58:16,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:16,201 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 20:58:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 180 transitions. [2018-10-26 20:58:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-10-26 20:58:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 20:58:16,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:58:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 182 transitions. [2018-10-26 20:58:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-10-26 20:58:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 20:58:16,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:58:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 191 transitions. [2018-10-26 20:58:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-10-26 20:58:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:58:17,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:58:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 203 transitions. [2018-10-26 20:58:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2018-10-26 20:58:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 20:58:18,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:58:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 219 transitions. [2018-10-26 20:58:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2018-10-26 20:58:18,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 20:58:18,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:58:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 215 transitions. [2018-10-26 20:58:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2018-10-26 20:58:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 20:58:18,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:58:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 133 states and 220 transitions. [2018-10-26 20:58:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2018-10-26 20:58:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 20:58:19,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:58:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 225 transitions. [2018-10-26 20:58:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2018-10-26 20:58:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:58:19,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 20:58:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 136 states and 227 transitions. [2018-10-26 20:58:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2018-10-26 20:58:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:58:20,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:20,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:58:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 257 transitions. [2018-10-26 20:58:21,164 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 257 transitions. [2018-10-26 20:58:21,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 20:58:21,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:58:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 282 transitions. [2018-10-26 20:58:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 282 transitions. [2018-10-26 20:58:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:58:22,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:58:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 164 states and 283 transitions. [2018-10-26 20:58:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 283 transitions. [2018-10-26 20:58:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 20:58:22,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:58:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 169 states and 288 transitions. [2018-10-26 20:58:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 288 transitions. [2018-10-26 20:58:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 20:58:23,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 20:58:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 173 states and 296 transitions. [2018-10-26 20:58:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 296 transitions. [2018-10-26 20:58:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 20:58:23,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:58:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 297 transitions. [2018-10-26 20:58:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 297 transitions. [2018-10-26 20:58:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 20:58:23,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 20:58:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 172 states and 293 transitions. [2018-10-26 20:58:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 293 transitions. [2018-10-26 20:58:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 20:58:24,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:24,225 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 20:58:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 174 states and 297 transitions. [2018-10-26 20:58:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 297 transitions. [2018-10-26 20:58:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 20:58:24,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 20:58:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 184 states and 310 transitions. [2018-10-26 20:58:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 310 transitions. [2018-10-26 20:58:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 20:58:26,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 20:58:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 135 states and 197 transitions. [2018-10-26 20:58:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2018-10-26 20:58:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 20:58:26,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 20:58:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 137 states and 200 transitions. [2018-10-26 20:58:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2018-10-26 20:58:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 20:58:27,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 20:58:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 138 states and 201 transitions. [2018-10-26 20:58:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2018-10-26 20:58:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 20:58:27,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:58:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:58:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 20:58:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:58:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 59 states and 71 transitions. [2018-10-26 20:58:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-10-26 20:58:27,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:58:27,198 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-10-26 20:58:27,206 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 20:58:27,420 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,422 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,422 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 20:58:27,426 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,426 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,426 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,426 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 20:58:27,427 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,427 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,427 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,427 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,428 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:58:27,428 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,428 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,428 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 20:58:27,429 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 20:58:27,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:58:27 ImpRootNode [2018-10-26 20:58:27,429 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:58:27,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:58:27,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:58:27,430 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:58:27,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:58:11" (3/4) ... [2018-10-26 20:58:27,434 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:58:27,439 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:58:27,446 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-10-26 20:58:27,446 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 20:58:27,447 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 20:58:27,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(0 == pumpRunning) [2018-10-26 20:58:27,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-10-26 20:58:27,514 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1d2b82e-b5d1-4b8b-b05f-f2f860b7045d/bin-2019/ukojak/witness.graphml [2018-10-26 20:58:27,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:58:27,515 INFO L168 Benchmark]: Toolchain (without parser) took 19670.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.6 MB). Free memory was 954.8 MB in the beginning and 962.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 361.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,516 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:58:27,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 930.7 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,517 INFO L168 Benchmark]: Boogie Preprocessor took 64.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,517 INFO L168 Benchmark]: RCFGBuilder took 2739.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,517 INFO L168 Benchmark]: CodeCheck took 16138.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.7 MB). Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 86.5 MB). Peak memory consumption was 284.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,518 INFO L168 Benchmark]: Witness Printer took 84.73 ms. Allocated memory is still 1.4 GB. Free memory was 972.3 MB in the beginning and 962.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:58:27,522 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, 113 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1909087132 SDtfs, 656425724 SDslu, -64858116 SDs, 0 SdLazy, 543115788 SolverSat, -1219454220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12817 GetRequests, 12479 SyntacticMatches, 106 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22258 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1329 NumberOfCodeBlocks, 1329 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1298 ConstructedInterpolants, 0 QuantifiedInterpolants, 119539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 501/536 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: 919]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 930.7 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 130.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 930.7 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2739.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * CodeCheck took 16138.60 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.7 MB). Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 86.5 MB). Peak memory consumption was 284.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.73 ms. Allocated memory is still 1.4 GB. Free memory was 972.3 MB in the beginning and 962.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...