./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.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_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:06:21,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:06:21,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:06:21,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:06:21,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:06:21,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:06:21,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:06:21,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:06:21,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:06:21,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:06:21,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:06:21,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:06:21,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:06:21,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:06:21,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:06:21,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:06:21,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:06:21,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:06:21,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:06:21,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:06:21,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:06:21,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:06:21,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:06:21,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:06:21,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:06:21,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:06:21,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:06:21,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:06:21,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:06:21,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:06:21,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:06:21,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:06:21,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:06:21,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:06:21,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:06:21,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:06:21,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:06:21,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:06:21,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:06:21,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:06:21,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:06:21,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 15:06:21,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:06:21,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:06:21,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 15:06:21,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 15:06:21,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:06:21,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 15:06:21,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 15:06:21,463 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:06:21,463 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:06:21,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:06:21,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:06:21,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:06:21,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 15:06:21,465 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_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-12-01 15:06:21,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:06:21,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:06:21,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:06:21,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:06:21,581 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:06:21,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-12-01 15:06:21,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/data/69daa8c37/d136eff57ec141a3a9370d3796971acb/FLAG30f737e01 [2019-12-01 15:06:21,973 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:06:21,973 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-12-01 15:06:21,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/data/69daa8c37/d136eff57ec141a3a9370d3796971acb/FLAG30f737e01 [2019-12-01 15:06:21,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/data/69daa8c37/d136eff57ec141a3a9370d3796971acb [2019-12-01 15:06:21,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:06:21,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:06:21,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:06:21,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:06:21,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:06:21,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:06:21" (1/1) ... [2019-12-01 15:06:21,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:21, skipping insertion in model container [2019-12-01 15:06:21,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:06:21" (1/1) ... [2019-12-01 15:06:22,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:06:22,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:06:22,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:06:22,237 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:06:22,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:06:22,307 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:06:22,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22 WrapperNode [2019-12-01 15:06:22,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:06:22,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:06:22,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:06:22,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:06:22,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:06:22,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:06:22,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:06:22,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:06:22,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:06:22,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:06:22,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:06:22,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:06:22,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:06:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/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 15:06:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 15:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 15:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 15:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 15:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 15:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 15:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 15:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 15:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 15:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 15:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 15:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:06:22,905 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:06:22,905 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-01 15:06:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:06:22 BoogieIcfgContainer [2019-12-01 15:06:22,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:06:22,907 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:06:22,907 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:06:22,913 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:06:22,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:06:22" (1/1) ... [2019-12-01 15:06:22,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:06:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-12-01 15:06:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-12-01 15:06:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 15:06:22,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,096 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 15:06:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-12-01 15:06:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-12-01 15:06:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 15:06:23,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,160 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 15:06:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-12-01 15:06:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-12-01 15:06:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 15:06:23,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,233 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 15:06:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2019-12-01 15:06:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-01 15:06:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 15:06:23,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,299 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 15:06:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-12-01 15:06:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-12-01 15:06:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:06:23,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,413 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 15:06:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-12-01 15:06:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-01 15:06:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 15:06:23,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,444 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 15:06:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-12-01 15:06:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-01 15:06:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 15:06:23,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,495 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 15:06:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2019-12-01 15:06:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2019-12-01 15:06:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 15:06:23,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,774 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 15:06:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2019-12-01 15:06:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2019-12-01 15:06:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 15:06:23,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,810 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 15:06:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2019-12-01 15:06:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2019-12-01 15:06:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 15:06:23,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:23,940 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 15:06:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 183 transitions. [2019-12-01 15:06:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2019-12-01 15:06:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 15:06:24,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:24,538 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 15:06:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 184 transitions. [2019-12-01 15:06:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 184 transitions. [2019-12-01 15:06:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 15:06:24,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:24,705 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 15:06:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 118 states and 207 transitions. [2019-12-01 15:06:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2019-12-01 15:06:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 15:06:25,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,225 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 15:06:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 208 transitions. [2019-12-01 15:06:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 208 transitions. [2019-12-01 15:06:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 15:06:25,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,256 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 15:06:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 121 states and 210 transitions. [2019-12-01 15:06:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-12-01 15:06:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 15:06:25,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,347 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 15:06:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 219 transitions. [2019-12-01 15:06:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2019-12-01 15:06:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 15:06:25,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,507 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 15:06:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 125 states and 220 transitions. [2019-12-01 15:06:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 220 transitions. [2019-12-01 15:06:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 15:06:25,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,540 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 15:06:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 126 states and 221 transitions. [2019-12-01 15:06:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 221 transitions. [2019-12-01 15:06:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 15:06:25,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,595 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 15:06:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 228 transitions. [2019-12-01 15:06:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2019-12-01 15:06:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 15:06:25,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:25,758 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 15:06:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 139 states and 254 transitions. [2019-12-01 15:06:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 254 transitions. [2019-12-01 15:06:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 15:06:26,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,145 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 15:06:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 264 transitions. [2019-12-01 15:06:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 264 transitions. [2019-12-01 15:06:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 15:06:26,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,297 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 15:06:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 145 states and 265 transitions. [2019-12-01 15:06:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2019-12-01 15:06:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 15:06:26,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,331 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 15:06:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 266 transitions. [2019-12-01 15:06:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2019-12-01 15:06:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 15:06:26,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,364 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 15:06:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 268 transitions. [2019-12-01 15:06:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2019-12-01 15:06:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 15:06:26,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,404 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 15:06:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 270 transitions. [2019-12-01 15:06:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 270 transitions. [2019-12-01 15:06:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:06:26,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:06:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 160 states and 313 transitions. [2019-12-01 15:06:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 313 transitions. [2019-12-01 15:06:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 15:06:26,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:06:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 316 transitions. [2019-12-01 15:06:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2019-12-01 15:06:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 15:06:27,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 170 states and 343 transitions. [2019-12-01 15:06:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 343 transitions. [2019-12-01 15:06:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:06:28,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:06:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:28,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 171 states and 344 transitions. [2019-12-01 15:06:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 344 transitions. [2019-12-01 15:06:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 15:06:28,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 15:06:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 172 states and 345 transitions. [2019-12-01 15:06:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 345 transitions. [2019-12-01 15:06:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 15:06:28,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 175 states and 353 transitions. [2019-12-01 15:06:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 353 transitions. [2019-12-01 15:06:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:06:29,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 190 states and 390 transitions. [2019-12-01 15:06:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2019-12-01 15:06:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 15:06:30,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:06:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 196 states and 420 transitions. [2019-12-01 15:06:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 420 transitions. [2019-12-01 15:06:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 15:06:32,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:06:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 198 states and 417 transitions. [2019-12-01 15:06:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 417 transitions. [2019-12-01 15:06:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:06:32,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 199 states and 418 transitions. [2019-12-01 15:06:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 418 transitions. [2019-12-01 15:06:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:06:32,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 200 states and 419 transitions. [2019-12-01 15:06:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 419 transitions. [2019-12-01 15:06:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:06:32,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:06:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 202 states and 428 transitions. [2019-12-01 15:06:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 428 transitions. [2019-12-01 15:06:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 15:06:32,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 15:06:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 200 states and 418 transitions. [2019-12-01 15:06:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 418 transitions. [2019-12-01 15:06:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 15:06:32,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 15:06:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 200 states and 416 transitions. [2019-12-01 15:06:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 416 transitions. [2019-12-01 15:06:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 15:06:33,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 205 states and 430 transitions. [2019-12-01 15:06:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 430 transitions. [2019-12-01 15:06:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 15:06:35,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:06:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 210 states and 447 transitions. [2019-12-01 15:06:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 447 transitions. [2019-12-01 15:06:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 15:06:37,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:06:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 212 states and 448 transitions. [2019-12-01 15:06:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 448 transitions. [2019-12-01 15:06:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 15:06:38,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:06:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 217 states and 457 transitions. [2019-12-01 15:06:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 457 transitions. [2019-12-01 15:06:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 15:06:38,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 15:06:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 222 states and 467 transitions. [2019-12-01 15:06:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 467 transitions. [2019-12-01 15:06:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:06:38,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:06:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 220 states and 463 transitions. [2019-12-01 15:06:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 463 transitions. [2019-12-01 15:06:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 15:06:38,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 15:06:39,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 222 states and 465 transitions. [2019-12-01 15:06:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 465 transitions. [2019-12-01 15:06:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 15:06:39,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 15:06:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 219 states and 456 transitions. [2019-12-01 15:06:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 456 transitions. [2019-12-01 15:06:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 15:06:39,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 15:06:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 227 states and 479 transitions. [2019-12-01 15:06:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 479 transitions. [2019-12-01 15:06:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 15:06:40,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 15:06:40,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 229 states and 480 transitions. [2019-12-01 15:06:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 480 transitions. [2019-12-01 15:06:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 15:06:40,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 15:06:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 230 states and 481 transitions. [2019-12-01 15:06:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 481 transitions. [2019-12-01 15:06:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 15:06:40,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 15:06:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 231 states and 482 transitions. [2019-12-01 15:06:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 482 transitions. [2019-12-01 15:06:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 15:06:40,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 15:06:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 232 states and 482 transitions. [2019-12-01 15:06:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 482 transitions. [2019-12-01 15:06:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 15:06:40,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 15:06:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 232 states and 477 transitions. [2019-12-01 15:06:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 477 transitions. [2019-12-01 15:06:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 15:06:40,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-12-01 15:06:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 233 states and 474 transitions. [2019-12-01 15:06:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 474 transitions. [2019-12-01 15:06:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 15:06:40,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 15:06:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 217 states and 444 transitions. [2019-12-01 15:06:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 444 transitions. [2019-12-01 15:06:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 15:06:41,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 15:06:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 212 states and 432 transitions. [2019-12-01 15:06:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 432 transitions. [2019-12-01 15:06:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 15:06:41,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 15:06:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 216 states and 440 transitions. [2019-12-01 15:06:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 440 transitions. [2019-12-01 15:06:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 15:06:41,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 15:06:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 218 states and 445 transitions. [2019-12-01 15:06:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 445 transitions. [2019-12-01 15:06:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 15:06:41,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 15:06:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 218 states and 441 transitions. [2019-12-01 15:06:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 441 transitions. [2019-12-01 15:06:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 15:06:42,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 15:06:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 218 states and 438 transitions. [2019-12-01 15:06:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 438 transitions. [2019-12-01 15:06:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 15:06:42,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:42,490 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 15:06:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 231 states and 486 transitions. [2019-12-01 15:06:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 486 transitions. [2019-12-01 15:06:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 15:06:45,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:06:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:06:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 15:06:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:06:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 145 states and 252 transitions. [2019-12-01 15:06:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 252 transitions. [2019-12-01 15:06:45,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 15:06:45,911 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2019-12-01 15:06:45,917 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 15:06:46,264 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,268 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 15:06:46,272 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-01 15:06:46,273 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 15:06:46,273 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,273 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,273 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 15:06:46,273 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 15:06:46,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:06:46 ImpRootNode [2019-12-01 15:06:46,274 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:06:46,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:06:46,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:06:46,274 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:06:46,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:06:22" (3/4) ... [2019-12-01 15:06:46,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 15:06:46,281 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 15:06:46,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-12-01 15:06:46,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 15:06:46,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 15:06:46,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 15:06:46,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 15:06:46,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:06:46,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 15:06:46,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == waterLevel) || ((!(waterLevel == systemActive) && 1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) [2019-12-01 15:06:46,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 15:06:46,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(pumpRunning == \old(pumpRunning)) || (\old(waterLevel) == tmp && pumpRunning == 0)) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || tmp == waterLevel) || (tmp == 0 && !(pumpRunning == 0))) || 0 == systemActive [2019-12-01 15:06:46,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6ba6eebf-49a7-4f58-94a4-ddec5e400c27/bin/ukojak/witness.graphml [2019-12-01 15:06:46,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:06:46,348 INFO L168 Benchmark]: Toolchain (without parser) took 24355.32 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 443.0 MB). Free memory was 946.1 MB in the beginning and 1.4 GB in the end (delta: -467.9 MB). Peak memory consumption was 546.2 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,348 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:06:46,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,349 INFO L168 Benchmark]: Boogie Preprocessor took 25.92 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. [2019-12-01 15:06:46,349 INFO L168 Benchmark]: RCFGBuilder took 534.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,349 INFO L168 Benchmark]: CodeCheck took 23367.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 295.2 MB). Free memory was 998.7 MB in the beginning and 805.0 MB in the end (delta: 193.6 MB). Peak memory consumption was 488.8 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,350 INFO L168 Benchmark]: Witness Printer took 72.29 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 54.5 MB). Free memory was 805.0 MB in the beginning and 1.4 GB in the end (delta: -608.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-12-01 15:06:46,351 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 22.9s, OverallIterations: 62, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1358814576 SDtfs, -769808504 SDslu, -623534528 SDs, 0 SdLazy, 468503272 SolverSat, 841642348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29893 GetRequests, 29165 SyntacticMatches, 329 SemanticMatches, 399 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78313 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2504 NumberOfCodeBlocks, 2504 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 2443 ConstructedInterpolants, 0 QuantifiedInterpolants, 277725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 46 PerfectInterpolantSequences, 878/959 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: 111]: 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: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((!(pumpRunning == \old(pumpRunning)) || (\old(waterLevel) == tmp && pumpRunning == 0)) || !(\old(waterLevel) <= 0 || !(tmp == 0))) || tmp == waterLevel) || (tmp == 0 && !(pumpRunning == 0))) || 0 == systemActive - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == waterLevel) || ((!(waterLevel == systemActive) && 1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.92 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. * RCFGBuilder took 534.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * CodeCheck took 23367.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 295.2 MB). Free memory was 998.7 MB in the beginning and 805.0 MB in the end (delta: 193.6 MB). Peak memory consumption was 488.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.29 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 54.5 MB). Free memory was 805.0 MB in the beginning and 1.4 GB in the end (delta: -608.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...