./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/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_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/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 0.1.23-635dfa2 [2018-12-01 14:35:10,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:35:10,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:35:10,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:35:10,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:35:10,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:35:11,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:35:11,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:35:11,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:35:11,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:35:11,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:35:11,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:35:11,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:35:11,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:35:11,004 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:35:11,004 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:35:11,005 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:35:11,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:35:11,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:35:11,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:35:11,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:35:11,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:35:11,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:35:11,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:35:11,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:35:11,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:35:11,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:35:11,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:35:11,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:35:11,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:35:11,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:35:11,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:35:11,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:35:11,012 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:35:11,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:35:11,013 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:35:11,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 14:35:11,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:35:11,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:35:11,020 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:35:11,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:35:11,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:35:11,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:35:11,022 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:35:11,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:35:11,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:35:11,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:35:11,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:35:11,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:35:11,023 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:35:11,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:35:11,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:35:11,023 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_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/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 [2018-12-01 14:35:11,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:35:11,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:35:11,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:35:11,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:35:11,050 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:35:11,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-01 14:35:11,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/data/d8f5fee9d/4ecbfd19a5264494a6574ae8c1439af7/FLAGefbdf1390 [2018-12-01 14:35:11,495 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:35:11,496 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-01 14:35:11,503 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/data/d8f5fee9d/4ecbfd19a5264494a6574ae8c1439af7/FLAGefbdf1390 [2018-12-01 14:35:11,511 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/data/d8f5fee9d/4ecbfd19a5264494a6574ae8c1439af7 [2018-12-01 14:35:11,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:35:11,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:35:11,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:35:11,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:35:11,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:35:11,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11, skipping insertion in model container [2018-12-01 14:35:11,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:35:11,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:35:11,700 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:35:11,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:35:11,791 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:35:11,809 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:35:11,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11 WrapperNode [2018-12-01 14:35:11,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:35:11,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:35:11,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:35:11,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:35:11,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:35:11,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:35:11,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:35:11,852 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:35:11,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... [2018-12-01 14:35:11,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:35:11,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:35:11,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:35:11,870 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:35:11,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:35:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/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 [2018-12-01 14:35:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 14:35:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 14:35:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 14:35:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 14:35:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 14:35:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 14:35:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 14:35:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 14:35:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 14:35:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 14:35:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 14:35:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 14:35:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:35:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:35:12,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:35:12,338 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-01 14:35:12,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:35:12 BoogieIcfgContainer [2018-12-01 14:35:12,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:35:12,338 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:35:12,338 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:35:12,345 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:35:12,345 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:35:12" (1/1) ... [2018-12-01 14:35:12,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:35:12,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-12-01 14:35:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-12-01 14:35:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 14:35:12,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-12-01 14:35:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-12-01 14:35:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 14:35:12,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-12-01 14:35:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-12-01 14:35:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:35:12,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2018-12-01 14:35:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-12-01 14:35:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 14:35:12,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-12-01 14:35:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-12-01 14:35:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 14:35:12,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2018-12-01 14:35:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2018-12-01 14:35:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 14:35:12,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:12,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-12-01 14:35:12,953 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-12-01 14:35:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 14:35:12,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2018-12-01 14:35:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2018-12-01 14:35:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 14:35:13,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-12-01 14:35:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-12-01 14:35:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 14:35:13,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-12-01 14:35:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-12-01 14:35:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 14:35:13,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2018-12-01 14:35:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2018-12-01 14:35:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 14:35:13,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 147 transitions. [2018-12-01 14:35:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2018-12-01 14:35:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 14:35:13,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 150 transitions. [2018-12-01 14:35:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2018-12-01 14:35:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 14:35:13,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2018-12-01 14:35:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2018-12-01 14:35:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 14:35:13,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2018-12-01 14:35:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2018-12-01 14:35:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 14:35:13,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2018-12-01 14:35:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-01 14:35:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 14:35:14,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:35:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2018-12-01 14:35:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-12-01 14:35:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 14:35:14,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:35:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2018-12-01 14:35:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2018-12-01 14:35:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 14:35:14,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 14:35:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 125 states and 229 transitions. [2018-12-01 14:35:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2018-12-01 14:35:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 14:35:15,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 14:35:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2018-12-01 14:35:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2018-12-01 14:35:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 14:35:15,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:35:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 261 transitions. [2018-12-01 14:35:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2018-12-01 14:35:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 14:35:17,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:35:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 283 transitions. [2018-12-01 14:35:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 283 transitions. [2018-12-01 14:35:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 14:35:19,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:35:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 146 states and 284 transitions. [2018-12-01 14:35:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 284 transitions. [2018-12-01 14:35:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 14:35:19,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 14:35:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2018-12-01 14:35:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2018-12-01 14:35:19,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 14:35:19,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 14:35:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2018-12-01 14:35:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2018-12-01 14:35:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 14:35:19,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 14:35:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2018-12-01 14:35:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2018-12-01 14:35:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 14:35:19,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 14:35:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2018-12-01 14:35:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2018-12-01 14:35:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 14:35:19,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 14:35:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2018-12-01 14:35:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2018-12-01 14:35:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 14:35:19,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 14:35:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2018-12-01 14:35:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2018-12-01 14:35:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 14:35:19,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:35:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2018-12-01 14:35:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2018-12-01 14:35:20,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 14:35:20,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 14:35:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 134 states and 251 transitions. [2018-12-01 14:35:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 251 transitions. [2018-12-01 14:35:20,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 14:35:20,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 14:35:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2018-12-01 14:35:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-12-01 14:35:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 14:35:20,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 14:35:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2018-12-01 14:35:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2018-12-01 14:35:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 14:35:21,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:35:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:35:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 14:35:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:35:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2018-12-01 14:35:21,544 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2018-12-01 14:35:21,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:35:21,544 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-01 14:35:21,551 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 14:35:21,755 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,757 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,757 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,757 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,757 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-01 14:35:21,760 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,760 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,760 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,760 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 14:35:21,761 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,761 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-01 14:35:21,761 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:35:21,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:35:21 ImpRootNode [2018-12-01 14:35:21,762 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:35:21,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:35:21,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:35:21,762 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:35:21,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:35:12" (3/4) ... [2018-12-01 14:35:21,765 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:35:21,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 14:35:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 14:35:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 14:35:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 14:35:21,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 14:35:21,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-01 14:35:21,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 14:35:21,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 14:35:21,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 14:35:21,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:35:21,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:35:21,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && waterLevel == \old(waterLevel))) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-12-01 14:35:21,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-12-01 14:35:21,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1694b9b3-21ca-48e6-b229-ac1f2e21b5a3/bin-2019/ukojak/witness.graphml [2018-12-01 14:35:21,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:35:21,808 INFO L168 Benchmark]: Toolchain (without parser) took 10294.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.0 MB). Free memory was 957.1 MB in the beginning and 831.6 MB in the end (delta: 125.5 MB). Peak memory consumption was 513.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,808 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:35:21,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.72 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,809 INFO L168 Benchmark]: Boogie Preprocessor took 17.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:35:21,809 INFO L168 Benchmark]: RCFGBuilder took 468.19 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: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,809 INFO L168 Benchmark]: CodeCheck took 9423.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 841.8 MB in the end (delta: 227.5 MB). Peak memory consumption was 455.0 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,809 INFO L168 Benchmark]: Witness Printer took 45.02 ms. Allocated memory is still 1.4 GB. Free memory was 841.8 MB in the beginning and 831.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-01 14:35:21,811 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 61 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -537581408 SDtfs, -1784999034 SDslu, -1480755136 SDs, 0 SdLazy, -207939078 SolverSat, 687151048 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12355 GetRequests, 12005 SyntacticMatches, 108 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27189 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1153 NumberOfCodeBlocks, 1153 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1120 ConstructedInterpolants, 0 QuantifiedInterpolants, 109294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 24 PerfectInterpolantSequences, 457/499 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && waterLevel == \old(waterLevel))) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.72 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 468.19 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: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9423.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 841.8 MB in the end (delta: 227.5 MB). Peak memory consumption was 455.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.02 ms. Allocated memory is still 1.4 GB. Free memory was 841.8 MB in the beginning and 831.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...