./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/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 84bee68029cd4e9781f81f2ec079192bad30236f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:56:32,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:56:32,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:56:32,039 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:56:32,039 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:56:32,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:56:32,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:56:32,041 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:56:32,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:56:32,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:56:32,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:56:32,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:56:32,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:56:32,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:56:32,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:56:32,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:56:32,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:56:32,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:56:32,047 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:56:32,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:56:32,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:56:32,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:56:32,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:56:32,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:56:32,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:56:32,051 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:56:32,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:56:32,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:56:32,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:56:32,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:56:32,053 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:56:32,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:56:32,054 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:56:32,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:56:32,055 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:56:32,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:56:32,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:56:32,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:56:32,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:56:32,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:56:32,063 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:56:32,063 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:56:32,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:56:32,064 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:56:32,065 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:56:32,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:56:32,065 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:56:32,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:56:32,066 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_faaf2493-79c9-4697-9247-bce9fd7a474e/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-12-02 18:56:32,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:56:32,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:56:32,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:56:32,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:56:32,092 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:56:32,092 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-12-02 18:56:32,128 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/data/6f0edf38f/03c18f5fda8444b883a9e5eeb87b6e6a/FLAGaa3262b17 [2018-12-02 18:56:32,571 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:56:32,571 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-12-02 18:56:32,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/data/6f0edf38f/03c18f5fda8444b883a9e5eeb87b6e6a/FLAGaa3262b17 [2018-12-02 18:56:32,585 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/data/6f0edf38f/03c18f5fda8444b883a9e5eeb87b6e6a [2018-12-02 18:56:32,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:56:32,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:56:32,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:56:32,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:56:32,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:56:32,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32, skipping insertion in model container [2018-12-02 18:56:32,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:56:32,616 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:56:32,766 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:56:32,816 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:56:32,857 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:56:32,871 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:56:32,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32 WrapperNode [2018-12-02 18:56:32,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:56:32,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:56:32,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:56:32,872 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:56:32,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:56:32,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:56:32,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:56:32,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:56:32,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... [2018-12-02 18:56:32,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:56:32,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:56:32,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:56:32,924 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:56:32,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/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 [2018-12-02 18:56:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:56:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 18:56:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 18:56:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:56:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:56:33,335 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:56:33,335 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-02 18:56:33,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33 BoogieIcfgContainer [2018-12-02 18:56:33,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:56:33,336 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:56:33,336 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:56:33,343 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:56:33,343 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33" (1/1) ... [2018-12-02 18:56:33,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:56:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-02 18:56:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-02 18:56:33,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 18:56:33,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-02 18:56:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-02 18:56:33,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 18:56:33,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-02 18:56:33,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-02 18:56:33,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 18:56:33,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-02 18:56:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-02 18:56:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:56:33,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-02 18:56:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-02 18:56:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:56:33,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2018-12-02 18:56:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2018-12-02 18:56:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:56:33,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2018-12-02 18:56:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2018-12-02 18:56:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 18:56:33,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-12-02 18:56:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-12-02 18:56:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:56:34,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2018-12-02 18:56:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2018-12-02 18:56:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 18:56:34,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2018-12-02 18:56:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2018-12-02 18:56:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:56:34,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2018-12-02 18:56:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2018-12-02 18:56:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:56:34,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2018-12-02 18:56:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-12-02 18:56:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:56:34,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2018-12-02 18:56:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-02 18:56:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 18:56:34,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 183 transitions. [2018-12-02 18:56:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2018-12-02 18:56:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 18:56:35,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 184 transitions. [2018-12-02 18:56:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2018-12-02 18:56:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:35,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 187 transitions. [2018-12-02 18:56:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2018-12-02 18:56:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:35,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 190 transitions. [2018-12-02 18:56:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 190 transitions. [2018-12-02 18:56:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 18:56:35,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2018-12-02 18:56:35,439 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2018-12-02 18:56:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:35,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2018-12-02 18:56:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2018-12-02 18:56:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 18:56:35,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2018-12-02 18:56:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2018-12-02 18:56:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:35,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 207 transitions. [2018-12-02 18:56:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2018-12-02 18:56:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 18:56:35,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 247 transitions. [2018-12-02 18:56:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-12-02 18:56:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 18:56:36,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 254 transitions. [2018-12-02 18:56:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2018-12-02 18:56:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:36,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 18:56:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 254 transitions. [2018-12-02 18:56:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2018-12-02 18:56:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:56:36,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:56:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2018-12-02 18:56:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2018-12-02 18:56:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:56:37,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2018-12-02 18:56:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-12-02 18:56:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:56:37,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2018-12-02 18:56:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-12-02 18:56:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:56:37,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2018-12-02 18:56:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2018-12-02 18:56:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:56:38,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2018-12-02 18:56:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2018-12-02 18:56:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:56:38,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2018-12-02 18:56:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2018-12-02 18:56:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 18:56:38,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 18:56:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2018-12-02 18:56:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-12-02 18:56:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 18:56:38,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 18:56:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 129 states and 219 transitions. [2018-12-02 18:56:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2018-12-02 18:56:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:56:38,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 18:56:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2018-12-02 18:56:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2018-12-02 18:56:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 18:56:38,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 18:56:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2018-12-02 18:56:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2018-12-02 18:56:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 18:56:38,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 18:56:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 114 states and 187 transitions. [2018-12-02 18:56:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2018-12-02 18:56:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 18:56:39,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:56:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:56:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 18:56:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:56:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 72 states and 107 transitions. [2018-12-02 18:56:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2018-12-02 18:56:39,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 18:56:39,048 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-12-02 18:56:39,054 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 18:56:39,196 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,198 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-02 18:56:39,201 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,201 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,201 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 18:56:39,202 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 18:56:39,202 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-02 18:56:39,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:56:39 ImpRootNode [2018-12-02 18:56:39,202 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:56:39,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:56:39,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:56:39,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:56:39,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:33" (3/4) ... [2018-12-02 18:56:39,205 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 18:56:39,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 18:56:39,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-02 18:56:39,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 18:56:39,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 18:56:39,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 18:56:39,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 18:56:39,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 18:56:39,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == systemActive) && \old(pumpRunning) == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) [2018-12-02 18:56:39,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-12-02 18:56:39,250 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_faaf2493-79c9-4697-9247-bce9fd7a474e/bin-2019/ukojak/witness.graphml [2018-12-02 18:56:39,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:56:39,251 INFO L168 Benchmark]: Toolchain (without parser) took 6663.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 950.6 MB in the beginning and 969.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 150.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,251 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:56:39,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:56:39,252 INFO L168 Benchmark]: Boogie Preprocessor took 18.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,252 INFO L168 Benchmark]: RCFGBuilder took 411.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.4 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,252 INFO L168 Benchmark]: CodeCheck took 5866.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 972.0 MB in the beginning and 977.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,252 INFO L168 Benchmark]: Witness Printer took 47.59 ms. Allocated memory is still 1.2 GB. Free memory was 977.2 MB in the beginning and 969.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:56:39,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1822205300 SDtfs, 836380124 SDslu, 1344653260 SDs, 0 SdLazy, -108363876 SolverSat, -1482380852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11051 GetRequests, 10713 SyntacticMatches, 160 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13988 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1049 ConstructedInterpolants, 0 QuantifiedInterpolants, 81035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 281/315 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: 148]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(0 == systemActive) && \old(pumpRunning) == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -95.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 411.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.4 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * CodeCheck took 5866.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 112.2 MB). Free memory was 972.0 MB in the beginning and 977.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.59 ms. Allocated memory is still 1.2 GB. Free memory was 977.2 MB in the beginning and 969.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...