./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/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 0.1.25-f470102 [2019-12-01 14:02:31,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:02:31,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:02:31,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:02:31,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:02:31,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:02:31,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:02:31,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:02:31,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:02:31,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:02:31,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:02:31,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:02:31,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:02:31,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:02:31,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:02:31,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:02:31,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:02:31,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:02:31,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:02:31,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:02:31,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:02:31,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:02:31,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:02:31,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:02:31,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:02:31,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:02:31,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:02:31,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:02:31,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:02:31,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:02:31,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:02:31,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:02:31,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:02:31,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:02:31,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:02:31,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:02:31,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:02:31,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:02:31,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:02:31,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:02:31,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:02:31,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:02:31,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:02:31,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:02:31,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:02:31,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:02:31,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:02:31,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:02:31,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:02:31,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:02:31,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:02:31,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:02:31,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:02:31,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:02:31,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/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 [2019-12-01 14:02:31,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:02:31,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:02:31,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:02:31,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:02:31,460 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:02:31,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-12-01 14:02:31,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/data/f02dbfdb3/b05ad17328bb43ab85e814974060c2d8/FLAGf04d40230 [2019-12-01 14:02:31,944 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:02:31,944 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-12-01 14:02:31,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/data/f02dbfdb3/b05ad17328bb43ab85e814974060c2d8/FLAGf04d40230 [2019-12-01 14:02:31,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/data/f02dbfdb3/b05ad17328bb43ab85e814974060c2d8 [2019-12-01 14:02:31,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:02:31,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:02:31,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:02:31,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:02:31,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:02:31,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:02:31" (1/1) ... [2019-12-01 14:02:31,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efb507c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:31, skipping insertion in model container [2019-12-01 14:02:31,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:02:31" (1/1) ... [2019-12-01 14:02:31,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:02:32,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:02:32,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:02:32,248 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:02:32,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:02:32,321 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:02:32,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32 WrapperNode [2019-12-01 14:02:32,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:02:32,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:02:32,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:02:32,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:02:32,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:02:32,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:02:32,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:02:32,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:02:32,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:02:32,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:02:32,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:02:32,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:02:32,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:02:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/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 [2019-12-01 14:02:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 14:02:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 14:02:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 14:02:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 14:02:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 14:02:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 14:02:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:02:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:02:32,981 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:02:32,981 INFO L287 CfgBuilder]: Removed 36 assume(true) statements. [2019-12-01 14:02:32,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:02:32 BoogieIcfgContainer [2019-12-01 14:02:32,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:02:32,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:02:32,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:02:32,989 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:02:32,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:02:32" (1/1) ... [2019-12-01 14:02:32,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:02:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2019-12-01 14:02:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-12-01 14:02:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 14:02:33,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2019-12-01 14:02:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2019-12-01 14:02:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 14:02:33,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2019-12-01 14:02:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-12-01 14:02:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 14:02:33,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2019-12-01 14:02:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-12-01 14:02:33,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 14:02:33,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-12-01 14:02:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-12-01 14:02:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:02:33,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2019-12-01 14:02:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2019-12-01 14:02:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 14:02:33,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2019-12-01 14:02:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2019-12-01 14:02:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 14:02:33,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2019-12-01 14:02:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2019-12-01 14:02:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 14:02:34,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2019-12-01 14:02:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2019-12-01 14:02:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 14:02:34,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2019-12-01 14:02:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2019-12-01 14:02:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 14:02:34,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2019-12-01 14:02:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2019-12-01 14:02:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 14:02:34,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 89 states and 147 transitions. [2019-12-01 14:02:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2019-12-01 14:02:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 14:02:34,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 90 states and 150 transitions. [2019-12-01 14:02:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2019-12-01 14:02:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 14:02:34,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2019-12-01 14:02:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2019-12-01 14:02:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 14:02:34,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2019-12-01 14:02:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2019-12-01 14:02:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 14:02:34,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2019-12-01 14:02:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-12-01 14:02:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 14:02:35,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2019-12-01 14:02:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-12-01 14:02:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 14:02:35,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:02:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2019-12-01 14:02:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2019-12-01 14:02:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 14:02:35,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 14:02:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 125 states and 232 transitions. [2019-12-01 14:02:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 232 transitions. [2019-12-01 14:02:36,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 14:02:36,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 14:02:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2019-12-01 14:02:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2019-12-01 14:02:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 14:02:36,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:02:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 261 transitions. [2019-12-01 14:02:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2019-12-01 14:02:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 14:02:38,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:38,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 14:02:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 262 transitions. [2019-12-01 14:02:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 262 transitions. [2019-12-01 14:02:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 14:02:38,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 14:02:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 139 states and 263 transitions. [2019-12-01 14:02:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 263 transitions. [2019-12-01 14:02:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 14:02:38,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:02:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2019-12-01 14:02:42,354 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2019-12-01 14:02:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 14:02:42,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 14:02:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2019-12-01 14:02:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2019-12-01 14:02:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 14:02:42,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 14:02:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2019-12-01 14:02:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2019-12-01 14:02:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 14:02:42,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 14:02:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2019-12-01 14:02:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2019-12-01 14:02:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 14:02:42,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 14:02:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2019-12-01 14:02:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2019-12-01 14:02:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 14:02:42,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 14:02:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2019-12-01 14:02:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2019-12-01 14:02:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 14:02:42,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 14:02:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2019-12-01 14:02:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2019-12-01 14:02:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 14:02:43,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 14:02:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 129 states and 242 transitions. [2019-12-01 14:02:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2019-12-01 14:02:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 14:02:43,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 14:02:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2019-12-01 14:02:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-12-01 14:02:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 14:02:44,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 14:02:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2019-12-01 14:02:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2019-12-01 14:02:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 14:02:44,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:02:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:02:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 14:02:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:02:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2019-12-01 14:02:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2019-12-01 14:02:45,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:02:45,203 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-12-01 14:02:45,210 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 14:02:45,445 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,449 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,449 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,449 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,449 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 14:02:45,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,452 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 14:02:45,453 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,453 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-01 14:02:45,454 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:02:45,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:02:45 ImpRootNode [2019-12-01 14:02:45,454 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:02:45,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:02:45,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:02:45,455 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:02:45,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:02:32" (3/4) ... [2019-12-01 14:02:45,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:02:45,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 14:02:45,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 14:02:45,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 14:02:45,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 14:02:45,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 14:02:45,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-12-01 14:02:45,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 14:02:45,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 14:02:45,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 14:02:45,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 14:02:45,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 14:02:45,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 14:02:45,486 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 14:02:45,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-12-01 14:02:45,511 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c3487e0b-b32c-4be1-996c-903f255d7f65/bin/ukojak/witness.graphml [2019-12-01 14:02:45,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:02:45,512 INFO L168 Benchmark]: Toolchain (without parser) took 13546.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.2 MB). Free memory was 940.9 MB in the beginning and 905.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 308.6 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,512 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:02:45,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.38 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,513 INFO L168 Benchmark]: Boogie Preprocessor took 21.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,513 INFO L168 Benchmark]: RCFGBuilder took 600.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,513 INFO L168 Benchmark]: CodeCheck took 12472.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.0 GB in the beginning and 925.5 MB in the end (delta: 103.5 MB). Peak memory consumption was 250.3 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,514 INFO L168 Benchmark]: Witness Printer took 56.16 ms. Allocated memory is still 1.3 GB. Free memory was 925.5 MB in the beginning and 905.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:02:45,515 INFO L335 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, 42 locations, 1 error locations. Result: SAFE, OverallTime: 12.2s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -537630576 SDtfs, -1785072810 SDslu, -1480798128 SDs, 0 SdLazy, -208231966 SolverSat, 687065088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12287 GetRequests, 11931 SyntacticMatches, 108 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28474 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1156 NumberOfCodeBlocks, 1156 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1123 ConstructedInterpolants, 0 QuantifiedInterpolants, 109964 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 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)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - 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: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.38 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 600.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * CodeCheck took 12472.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.0 GB in the beginning and 925.5 MB in the end (delta: 103.5 MB). Peak memory consumption was 250.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.16 ms. Allocated memory is still 1.3 GB. Free memory was 925.5 MB in the beginning and 905.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...