./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:10:46,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:10:46,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:10:46,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:10:46,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:10:46,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:10:46,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:10:46,990 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:10:46,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:10:46,992 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:10:46,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:10:46,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:10:46,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:10:46,994 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:10:46,995 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:10:46,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:10:46,996 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:10:46,997 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:10:46,998 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:10:47,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:10:47,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:10:47,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:10:47,003 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:10:47,003 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:10:47,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:10:47,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:10:47,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:10:47,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:10:47,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:10:47,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:10:47,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:10:47,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:10:47,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:10:47,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:10:47,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:10:47,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:10:47,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 22:10:47,019 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:10:47,019 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:10:47,019 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:10:47,020 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:10:47,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:10:47,020 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:10:47,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:10:47,021 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:10:47,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:10:47,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:10:47,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:10:47,022 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:10:47,022 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:10:47,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:10:47,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:10:47,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:10:47,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:10:47,024 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_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2018-11-22 22:10:47,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:10:47,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:10:47,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:10:47,057 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:10:47,058 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:10:47,058 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2018-11-22 22:10:47,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/data/2e683a82d/2d2391572dae48ff911fed3c1324d787/FLAGf0c5eba86 [2018-11-22 22:10:47,476 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:10:47,477 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2018-11-22 22:10:47,486 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/data/2e683a82d/2d2391572dae48ff911fed3c1324d787/FLAGf0c5eba86 [2018-11-22 22:10:47,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/data/2e683a82d/2d2391572dae48ff911fed3c1324d787 [2018-11-22 22:10:47,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:10:47,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:10:47,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:10:47,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:10:47,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:10:47,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:47" (1/1) ... [2018-11-22 22:10:47,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c4abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:47, skipping insertion in model container [2018-11-22 22:10:47,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:47" (1/1) ... [2018-11-22 22:10:47,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:10:47,917 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:10:48,130 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:10:48,139 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:10:48,243 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:10:48,260 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:10:48,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48 WrapperNode [2018-11-22 22:10:48,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:10:48,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:10:48,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:10:48,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:10:48,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:10:48,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:10:48,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:10:48,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:10:48,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:10:48,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:10:48,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:10:48,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:10:48,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:10:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:10:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 22:10:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 22:10:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 22:10:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 22:10:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 22:10:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 22:10:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 22:10:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 22:10:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:10:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 22:10:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 22:10:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:10:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:10:48,932 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:10:48,932 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-22 22:10:48,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:48 BoogieIcfgContainer [2018-11-22 22:10:48,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:10:48,933 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:10:48,933 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:10:48,942 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:10:48,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:48" (1/1) ... [2018-11-22 22:10:48,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:10:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-11-22 22:10:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-11-22 22:10:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 22:10:48,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-11-22 22:10:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-11-22 22:10:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 22:10:49,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-11-22 22:10:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-11-22 22:10:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 22:10:49,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2018-11-22 22:10:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-11-22 22:10:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 22:10:49,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-11-22 22:10:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-11-22 22:10:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:10:49,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2018-11-22 22:10:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2018-11-22 22:10:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 22:10:49,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-11-22 22:10:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-11-22 22:10:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:10:49,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2018-11-22 22:10:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2018-11-22 22:10:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 22:10:50,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-11-22 22:10:50,280 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-11-22 22:10:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 22:10:50,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-11-22 22:10:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-11-22 22:10:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 22:10:50,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2018-11-22 22:10:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2018-11-22 22:10:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 22:10:50,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 147 transitions. [2018-11-22 22:10:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2018-11-22 22:10:50,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 22:10:50,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:50,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 150 transitions. [2018-11-22 22:10:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2018-11-22 22:10:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 22:10:50,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2018-11-22 22:10:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2018-11-22 22:10:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 22:10:51,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2018-11-22 22:10:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2018-11-22 22:10:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 22:10:51,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2018-11-22 22:10:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-11-22 22:10:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 22:10:51,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2018-11-22 22:10:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2018-11-22 22:10:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 22:10:51,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:10:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2018-11-22 22:10:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2018-11-22 22:10:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 22:10:51,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 22:10:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 116 states and 206 transitions. [2018-11-22 22:10:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2018-11-22 22:10:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 22:10:52,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 22:10:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 210 transitions. [2018-11-22 22:10:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2018-11-22 22:10:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 22:10:52,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 22:10:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2018-11-22 22:10:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2018-11-22 22:10:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 22:10:52,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 22:10:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 126 states and 229 transitions. [2018-11-22 22:10:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 229 transitions. [2018-11-22 22:10:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 22:10:52,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 22:10:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 127 states and 230 transitions. [2018-11-22 22:10:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2018-11-22 22:10:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:10:52,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 22:10:54,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 139 states and 263 transitions. [2018-11-22 22:10:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 263 transitions. [2018-11-22 22:10:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:10:54,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 22:10:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2018-11-22 22:10:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2018-11-22 22:10:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 22:10:56,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 22:10:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2018-11-22 22:10:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2018-11-22 22:10:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 22:10:56,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-22 22:10:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2018-11-22 22:10:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2018-11-22 22:10:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 22:10:56,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-22 22:10:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2018-11-22 22:10:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2018-11-22 22:10:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 22:10:56,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-22 22:10:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2018-11-22 22:10:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2018-11-22 22:10:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 22:10:56,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-22 22:10:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2018-11-22 22:10:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2018-11-22 22:10:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 22:10:56,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 22:10:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2018-11-22 22:10:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2018-11-22 22:10:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 22:10:56,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:10:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 129 states and 242 transitions. [2018-11-22 22:10:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2018-11-22 22:10:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 22:10:57,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:10:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2018-11-22 22:10:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-11-22 22:10:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 22:10:58,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:10:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2018-11-22 22:10:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2018-11-22 22:10:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 22:10:58,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:10:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:10:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:10:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:10:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2018-11-22 22:10:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2018-11-22 22:10:58,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:10:58,826 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-22 22:10:58,832 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 22:10:59,030 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,032 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,032 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-22 22:10:59,035 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,036 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-22 22:10:59,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:10:59,037 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-22 22:10:59,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:10:59 ImpRootNode [2018-11-22 22:10:59,039 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:10:59,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:10:59,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:10:59,039 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:10:59,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:48" (3/4) ... [2018-11-22 22:10:59,043 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:10:59,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 22:10:59,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 22:10:59,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 22:10:59,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 22:10:59,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 22:10:59,053 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-22 22:10:59,053 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 22:10:59,054 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-22 22:10:59,054 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 22:10:59,054 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 22:10:59,054 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:10:59,054 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:10:59,073 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 [2018-11-22 22:10:59,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-22 22:10:59,100 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_055ffd59-c0dd-4b25-8fff-bbb0b7cb33b8/bin-2019/ukojak/witness.graphml [2018-11-22 22:10:59,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:10:59,101 INFO L168 Benchmark]: Toolchain (without parser) took 11229.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 955.3 MB in the beginning and 825.2 MB in the end (delta: 130.1 MB). Peak memory consumption was 463.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:10:59,102 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:10:59,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -121.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:10:59,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:10:59,103 INFO L168 Benchmark]: Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:10:59,103 INFO L168 Benchmark]: RCFGBuilder took 616.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:10:59,103 INFO L168 Benchmark]: CodeCheck took 10105.92 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.0 GB in the beginning and 825.2 MB in the end (delta: 176.8 MB). Peak memory consumption was 420.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:10:59,103 INFO L168 Benchmark]: Witness Printer took 61.40 ms. Allocated memory is still 1.4 GB. Free memory is still 825.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:10:59,105 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, 9.8s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1075476336 SDtfs, 722309974 SDslu, 1330032720 SDs, 0 SdLazy, -424713758 SolverSat, 1372149760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13113 GetRequests, 12759 SyntacticMatches, 112 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27189 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 118048 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 24 PerfectInterpolantSequences, 471/516 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: 44]: 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: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(waterLevel == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -121.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 616.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * CodeCheck took 10105.92 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.3 MB). Free memory was 1.0 GB in the beginning and 825.2 MB in the end (delta: 176.8 MB). Peak memory consumption was 420.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.40 ms. Allocated memory is still 1.4 GB. Free memory is still 825.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...