./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:35:37,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:35:37,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:35:37,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:35:37,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:35:37,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:35:37,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:35:37,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:35:37,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:35:37,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:35:37,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:35:37,481 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:35:37,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:35:37,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:35:37,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:35:37,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:35:37,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:35:37,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:35:37,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:35:37,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:35:37,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:35:37,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:35:37,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:35:37,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:35:37,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:35:37,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:35:37,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:35:37,492 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:35:37,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:35:37,493 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:35:37,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:35:37,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:35:37,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:35:37,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:35:37,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:35:37,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:35:37,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:35:37,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:35:37,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:35:37,505 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:35:37,505 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:35:37,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:35:37,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:35:37,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:35:37,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:35:37,507 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:35:37,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:35:37,507 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:35:37,507 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:35:37,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:35:37,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:35:37,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:35:37,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:35:37,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:35:37,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:35:37,508 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:35:37,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:35:37,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:35:37,508 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_f2352c4f-2209-4712-8c0c-05b41d627bae/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-11-23 02:35:37,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:35:37,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:35:37,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:35:37,545 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:35:37,546 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:35:37,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-23 02:35:37,591 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/data/c28b13a5f/334d9320a5db49e9a7fa5d929c1e3dcc/FLAGea9c0c429 [2018-11-23 02:35:38,030 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:35:38,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-23 02:35:38,037 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/data/c28b13a5f/334d9320a5db49e9a7fa5d929c1e3dcc/FLAGea9c0c429 [2018-11-23 02:35:38,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/data/c28b13a5f/334d9320a5db49e9a7fa5d929c1e3dcc [2018-11-23 02:35:38,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:35:38,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:35:38,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:35:38,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:35:38,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:35:38,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38, skipping insertion in model container [2018-11-23 02:35:38,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:35:38,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:35:38,291 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:35:38,300 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:35:38,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:35:38,419 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:35:38,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38 WrapperNode [2018-11-23 02:35:38,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:35:38,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:35:38,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:35:38,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:35:38,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:35:38,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:35:38,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:35:38,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:35:38,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... [2018-11-23 02:35:38,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:35:38,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:35:38,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:35:38,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:35:38,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/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 [2018-11-23 02:35:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:35:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:35:38,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:35:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:35:38,504 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:35:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:35:38,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:35:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:35:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:35:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:35:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:35:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:35:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:35:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:35:39,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:35:39,037 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-23 02:35:39,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:39 BoogieIcfgContainer [2018-11-23 02:35:39,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:35:39,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:35:39,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:35:39,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:35:39,048 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:39" (1/1) ... [2018-11-23 02:35:39,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:35:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-11-23 02:35:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-11-23 02:35:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 02:35:39,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-11-23 02:35:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-11-23 02:35:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:35:39,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-11-23 02:35:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-11-23 02:35:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 02:35:39,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2018-11-23 02:35:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-11-23 02:35:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 02:35:39,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-11-23 02:35:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-11-23 02:35:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 02:35:39,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2018-11-23 02:35:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2018-11-23 02:35:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 02:35:39,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-11-23 02:35:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-11-23 02:35:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 02:35:39,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2018-11-23 02:35:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2018-11-23 02:35:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:35:40,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-11-23 02:35:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-11-23 02:35:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:35:40,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-11-23 02:35:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-11-23 02:35:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:35:40,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 136 transitions. [2018-11-23 02:35:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2018-11-23 02:35:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 02:35:40,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 148 transitions. [2018-11-23 02:35:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 148 transitions. [2018-11-23 02:35:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 02:35:40,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 151 transitions. [2018-11-23 02:35:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2018-11-23 02:35:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 02:35:40,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 154 transitions. [2018-11-23 02:35:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2018-11-23 02:35:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 02:35:40,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 159 transitions. [2018-11-23 02:35:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions. [2018-11-23 02:35:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 02:35:40,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 108 states and 187 transitions. [2018-11-23 02:35:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2018-11-23 02:35:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 02:35:41,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:41,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 109 states and 188 transitions. [2018-11-23 02:35:41,248 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 188 transitions. [2018-11-23 02:35:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 02:35:41,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:35:41,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 110 states and 189 transitions. [2018-11-23 02:35:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2018-11-23 02:35:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:35:41,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 116 states and 210 transitions. [2018-11-23 02:35:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2018-11-23 02:35:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:35:41,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 118 states and 215 transitions. [2018-11-23 02:35:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2018-11-23 02:35:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:35:41,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 125 states and 233 transitions. [2018-11-23 02:35:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 233 transitions. [2018-11-23 02:35:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:35:42,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 129 states and 243 transitions. [2018-11-23 02:35:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2018-11-23 02:35:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:35:42,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 244 transitions. [2018-11-23 02:35:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 244 transitions. [2018-11-23 02:35:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:35:42,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 131 states and 245 transitions. [2018-11-23 02:35:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 245 transitions. [2018-11-23 02:35:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 02:35:42,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:35:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 243 transitions. [2018-11-23 02:35:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 243 transitions. [2018-11-23 02:35:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 02:35:42,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:35:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 122 states and 223 transitions. [2018-11-23 02:35:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2018-11-23 02:35:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 02:35:42,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:35:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 126 states and 230 transitions. [2018-11-23 02:35:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2018-11-23 02:35:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 02:35:42,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:35:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 124 states and 226 transitions. [2018-11-23 02:35:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 226 transitions. [2018-11-23 02:35:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 02:35:43,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:35:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 122 states and 221 transitions. [2018-11-23 02:35:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2018-11-23 02:35:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 02:35:43,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 02:35:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 113 states and 204 transitions. [2018-11-23 02:35:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 204 transitions. [2018-11-23 02:35:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 02:35:43,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:35:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:35:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 02:35:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:35:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 56 states and 79 transitions. [2018-11-23 02:35:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2018-11-23 02:35:43,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:35:43,610 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-23 02:35:43,617 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:35:43,763 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,765 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,765 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,765 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,765 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,769 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 02:35:43,770 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:35:43,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:35:43 ImpRootNode [2018-11-23 02:35:43,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:35:43,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:35:43,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:35:43,772 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:35:43,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:39" (3/4) ... [2018-11-23 02:35:43,775 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:35:43,780 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:35:43,780 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:35:43,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:35:43,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:35:43,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:35:43,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-23 02:35:43,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 02:35:43,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 02:35:43,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 02:35:43,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:35:43,786 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:35:43,787 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:35:43,804 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-23 02:35:43,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-23 02:35:43,830 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2352c4f-2209-4712-8c0c-05b41d627bae/bin-2019/ukojak/witness.graphml [2018-11-23 02:35:43,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:35:43,831 INFO L168 Benchmark]: Toolchain (without parser) took 5781.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,832 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:35:43,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,832 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,832 INFO L168 Benchmark]: RCFGBuilder took 567.42 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,833 INFO L168 Benchmark]: CodeCheck took 4733.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:35:43,833 INFO L168 Benchmark]: Witness Printer took 58.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:35:43,834 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 6 procedures, 61 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1140699600 SDtfs, -743982312 SDslu, -723758648 SDs, 0 SdLazy, 2124374978 SolverSat, -1542316270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9966 GetRequests, 9758 SyntacticMatches, 68 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8151 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 974 NumberOfCodeBlocks, 974 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 72135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 323/356 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: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 567.42 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: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * CodeCheck took 4733.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 58.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...