./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/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_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/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 0.1.23-5842f4b [2018-11-18 09:01:05,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:01:05,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:01:05,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:01:05,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:01:05,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:01:05,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:01:05,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:01:05,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:01:05,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:01:05,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:01:05,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:01:05,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:01:05,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:01:05,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:01:05,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:01:05,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:01:05,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:01:05,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:01:05,381 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:01:05,382 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:01:05,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:01:05,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:01:05,385 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:01:05,385 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:01:05,386 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:01:05,387 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:01:05,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:01:05,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:01:05,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:01:05,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:01:05,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:01:05,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:01:05,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:01:05,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:01:05,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:01:05,392 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:01:05,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:01:05,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:01:05,403 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:01:05,403 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:01:05,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:01:05,404 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:01:05,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:01:05,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:01:05,404 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:01:05,404 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:01:05,405 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:01:05,406 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:01:05,406 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:01:05,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:01:05,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:01:05,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:01:05,407 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_e1526789-8b37-4f0d-b800-bbad067a4578/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 [2018-11-18 09:01:05,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:01:05,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:01:05,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:01:05,440 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:01:05,441 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:01:05,441 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-18 09:01:05,476 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/data/cfb47fcf9/ca39b9e41af14176a51138d0cfe354e8/FLAG1b22b959d [2018-11-18 09:01:05,841 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:01:05,841 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-18 09:01:05,848 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/data/cfb47fcf9/ca39b9e41af14176a51138d0cfe354e8/FLAG1b22b959d [2018-11-18 09:01:06,236 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/data/cfb47fcf9/ca39b9e41af14176a51138d0cfe354e8 [2018-11-18 09:01:06,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:01:06,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:01:06,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:06,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:01:06,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:01:06,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06, skipping insertion in model container [2018-11-18 09:01:06,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:01:06,280 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:01:06,476 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:06,484 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:01:06,596 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:06,617 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:01:06,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06 WrapperNode [2018-11-18 09:01:06,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:06,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:01:06,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:01:06,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:01:06,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:01:06,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:01:06,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:01:06,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:01:06,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... [2018-11-18 09:01:06,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:01:06,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:01:06,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:01:06,687 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:01:06,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:01:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:01:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:01:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:01:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:01:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:01:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:01:06,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:01:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:01:06,743 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:01:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:01:06,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:01:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:01:06,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:01:07,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:01:07,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:07 BoogieIcfgContainer [2018-11-18 09:01:07,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:01:07,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:01:07,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:01:07,451 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:01:07,452 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:07" (1/1) ... [2018-11-18 09:01:07,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-18 09:01:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-18 09:01:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:01:07,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2018-11-18 09:01:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2018-11-18 09:01:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:01:07,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-18 09:01:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-18 09:01:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:01:07,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-11-18 09:01:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-11-18 09:01:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:01:08,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-18 09:01:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-18 09:01:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:01:08,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2018-11-18 09:01:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-11-18 09:01:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:01:08,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-11-18 09:01:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-11-18 09:01:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:01:08,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2018-11-18 09:01:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2018-11-18 09:01:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:01:08,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2018-11-18 09:01:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2018-11-18 09:01:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:01:08,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-11-18 09:01:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-11-18 09:01:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:01:08,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 147 transitions. [2018-11-18 09:01:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2018-11-18 09:01:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 09:01:09,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 160 transitions. [2018-11-18 09:01:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2018-11-18 09:01:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:01:09,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 101 states and 163 transitions. [2018-11-18 09:01:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2018-11-18 09:01:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:01:09,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 166 transitions. [2018-11-18 09:01:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2018-11-18 09:01:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:01:09,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 169 transitions. [2018-11-18 09:01:09,561 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2018-11-18 09:01:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:01:09,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:09,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 106 states and 171 transitions. [2018-11-18 09:01:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2018-11-18 09:01:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 09:01:09,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 201 transitions. [2018-11-18 09:01:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2018-11-18 09:01:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:01:10,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 202 transitions. [2018-11-18 09:01:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2018-11-18 09:01:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:01:10,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 203 transitions. [2018-11-18 09:01:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2018-11-18 09:01:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 09:01:10,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 140 states and 249 transitions. [2018-11-18 09:01:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 249 transitions. [2018-11-18 09:01:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:01:10,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 260 transitions. [2018-11-18 09:01:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 260 transitions. [2018-11-18 09:01:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:01:11,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:01:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 154 states and 285 transitions. [2018-11-18 09:01:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 285 transitions. [2018-11-18 09:01:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:01:12,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 155 states and 283 transitions. [2018-11-18 09:01:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 283 transitions. [2018-11-18 09:01:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:01:12,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:12,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 156 states and 284 transitions. [2018-11-18 09:01:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 284 transitions. [2018-11-18 09:01:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:01:12,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 157 states and 285 transitions. [2018-11-18 09:01:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 285 transitions. [2018-11-18 09:01:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:01:12,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:01:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 147 states and 265 transitions. [2018-11-18 09:01:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2018-11-18 09:01:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:01:12,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:01:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 151 states and 272 transitions. [2018-11-18 09:01:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2018-11-18 09:01:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 09:01:13,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:01:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 152 states and 273 transitions. [2018-11-18 09:01:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 273 transitions. [2018-11-18 09:01:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 09:01:13,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:01:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 147 states and 262 transitions. [2018-11-18 09:01:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2018-11-18 09:01:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 09:01:13,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:01:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 137 states and 244 transitions. [2018-11-18 09:01:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2018-11-18 09:01:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:01:13,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:01:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 136 states and 237 transitions. [2018-11-18 09:01:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2018-11-18 09:01:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:01:13,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:01:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:01:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:01:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 69 states and 98 transitions. [2018-11-18 09:01:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2018-11-18 09:01:13,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:01:13,957 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-11-18 09:01:13,964 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:01:14,142 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,144 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 09:01:14,147 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,147 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,147 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,147 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,147 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 09:01:14,148 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 09:01:14,148 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,148 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:01:14,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:01:14 ImpRootNode [2018-11-18 09:01:14,149 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:01:14,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:01:14,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:01:14,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:01:14,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:07" (3/4) ... [2018-11-18 09:01:14,152 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:01:14,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:01:14,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:01:14,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:01:14,156 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:01:14,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:01:14,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-18 09:01:14,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:01:14,161 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:01:14,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && 1 == waterLevel)) || !(0 == pumpRunning)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-11-18 09:01:14,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-18 09:01:14,214 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1526789-8b37-4f0d-b800-bbad067a4578/bin-2019/ukojak/witness.graphml [2018-11-18 09:01:14,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:01:14,215 INFO L168 Benchmark]: Toolchain (without parser) took 7976.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 397.9 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -387.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,216 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:14,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.36 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,217 INFO L168 Benchmark]: Boogie Preprocessor took 24.70 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,217 INFO L168 Benchmark]: RCFGBuilder took 754.64 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,217 INFO L168 Benchmark]: CodeCheck took 6707.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -294.0 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,218 INFO L168 Benchmark]: Witness Printer took 65.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:14,219 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, 71 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2012915296 SDtfs, 871045202 SDslu, 1392807360 SDs, 0 SdLazy, 2095689822 SolverSat, 737814768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11375 GetRequests, 11097 SyntacticMatches, 104 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13753 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 99944 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 413/447 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: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || (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: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && 1 == waterLevel)) || !(0 == pumpRunning)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - 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: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.36 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.70 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 754.64 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: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. * CodeCheck took 6707.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 242.2 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -294.0 MB). Peak memory consumption was 399.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.24 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...