./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 384c0d348196326a7d81e106f1c497f9cd3f1b7c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:49:27,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:49:27,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:49:27,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:49:27,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:49:27,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:49:27,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:49:27,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:49:27,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:49:27,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:49:27,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:49:27,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:49:27,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:49:27,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:49:27,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:49:27,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:49:27,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:49:27,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:49:27,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:49:27,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:49:27,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:49:27,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:49:27,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:49:27,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:49:27,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:49:27,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:49:27,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:49:27,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:49:27,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:49:27,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:49:27,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:49:27,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:49:27,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:49:27,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:49:27,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:49:27,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:49:27,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:49:27,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:49:27,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:49:27,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:49:27,513 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:49:27,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:49:27,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:49:27,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:49:27,518 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:49:27,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:49:27,518 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:49:27,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:49:27,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:49:27,519 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:49:27,520 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:49:27,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:49:27,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:49:27,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:49:27,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:49:27,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:49:27,521 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:49:27,521 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:49:27,521 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:49:27,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:49:27,521 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-10-26 23:49:27,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:49:27,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:49:27,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:49:27,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:49:27,576 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:49:27,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-10-26 23:49:27,625 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/data/522a38c3f/afd81a87898149c59da2bde8a49fcdd7/FLAG8c76300c0 [2018-10-26 23:49:28,066 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:49:28,067 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-10-26 23:49:28,077 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/data/522a38c3f/afd81a87898149c59da2bde8a49fcdd7/FLAG8c76300c0 [2018-10-26 23:49:28,090 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/data/522a38c3f/afd81a87898149c59da2bde8a49fcdd7 [2018-10-26 23:49:28,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:49:28,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:49:28,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:49:28,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:49:28,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:49:28,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51583821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28, skipping insertion in model container [2018-10-26 23:49:28,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:49:28,148 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:49:28,364 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:49:28,374 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:49:28,437 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:49:28,467 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:49:28,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28 WrapperNode [2018-10-26 23:49:28,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:49:28,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:49:28,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:49:28,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:49:28,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:49:28,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:49:28,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:49:28,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:49:28,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... [2018-10-26 23:49:28,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:49:28,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:49:28,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:49:28,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:49:28,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:49:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:49:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:49:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:49:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:49:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:49:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:49:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:49:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:49:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:49:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:49:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:49:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:49:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:49:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:49:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:49:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:49:31,307 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:49:31,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:49:31 BoogieIcfgContainer [2018-10-26 23:49:31,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:49:31,308 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:49:31,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:49:31,320 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:49:31,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:49:31" (1/1) ... [2018-10-26 23:49:31,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:49:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2018-10-26 23:49:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2018-10-26 23:49:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:49:31,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-10-26 23:49:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-10-26 23:49:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:49:31,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-10-26 23:49:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-10-26 23:49:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:49:31,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2018-10-26 23:49:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2018-10-26 23:49:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:49:32,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-10-26 23:49:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-10-26 23:49:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:49:32,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-10-26 23:49:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-10-26 23:49:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:49:32,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2018-10-26 23:49:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2018-10-26 23:49:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:49:33,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2018-10-26 23:49:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2018-10-26 23:49:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:49:33,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 97 states and 148 transitions. [2018-10-26 23:49:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2018-10-26 23:49:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:49:33,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:49:34,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 169 transitions. [2018-10-26 23:49:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2018-10-26 23:49:34,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 23:49:34,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 110 states and 170 transitions. [2018-10-26 23:49:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2018-10-26 23:49:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 23:49:34,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 117 states and 184 transitions. [2018-10-26 23:49:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2018-10-26 23:49:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:49:35,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 115 states and 180 transitions. [2018-10-26 23:49:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2018-10-26 23:49:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:49:35,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:49:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 198 transitions. [2018-10-26 23:49:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2018-10-26 23:49:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:49:38,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 202 transitions. [2018-10-26 23:49:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2018-10-26 23:49:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:49:38,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:39,495 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 23:49:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 221 transitions. [2018-10-26 23:49:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2018-10-26 23:49:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:49:39,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:39,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 222 transitions. [2018-10-26 23:49:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2018-10-26 23:49:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:49:39,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:49:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 137 states and 223 transitions. [2018-10-26 23:49:40,000 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-10-26 23:49:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:49:40,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:41,051 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 23:49:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 260 transitions. [2018-10-26 23:49:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 260 transitions. [2018-10-26 23:49:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:49:43,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 153 states and 261 transitions. [2018-10-26 23:49:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 261 transitions. [2018-10-26 23:49:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 23:49:43,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 163 states and 289 transitions. [2018-10-26 23:49:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-10-26 23:49:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 23:49:44,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 166 states and 292 transitions. [2018-10-26 23:49:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2018-10-26 23:49:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:49:45,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 173 states and 315 transitions. [2018-10-26 23:49:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 315 transitions. [2018-10-26 23:49:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:49:45,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 174 states and 316 transitions. [2018-10-26 23:49:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 316 transitions. [2018-10-26 23:49:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:49:45,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:49:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 317 transitions. [2018-10-26 23:49:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2018-10-26 23:49:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:49:45,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:45,981 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 23:49:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 179 states and 324 transitions. [2018-10-26 23:49:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2018-10-26 23:49:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:49:46,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 23:49:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 184 states and 334 transitions. [2018-10-26 23:49:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 334 transitions. [2018-10-26 23:49:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:49:49,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:49:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 174 states and 310 transitions. [2018-10-26 23:49:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 310 transitions. [2018-10-26 23:49:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:49:49,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 23:49:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 172 states and 306 transitions. [2018-10-26 23:49:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2018-10-26 23:49:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:49:50,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:49:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 177 states and 313 transitions. [2018-10-26 23:49:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 313 transitions. [2018-10-26 23:49:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 23:49:51,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:49:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 179 states and 316 transitions. [2018-10-26 23:49:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 316 transitions. [2018-10-26 23:49:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:49:51,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:49:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 175 states and 304 transitions. [2018-10-26 23:49:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 304 transitions. [2018-10-26 23:49:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:49:51,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:49:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 176 states and 305 transitions. [2018-10-26 23:49:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 305 transitions. [2018-10-26 23:49:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 23:49:52,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:49:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 169 states and 292 transitions. [2018-10-26 23:49:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 292 transitions. [2018-10-26 23:49:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 23:49:52,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 23:49:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 184 states and 322 transitions. [2018-10-26 23:49:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2018-10-26 23:49:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 23:49:54,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 23:49:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 185 states and 323 transitions. [2018-10-26 23:49:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2018-10-26 23:49:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 23:49:54,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-26 23:49:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 181 states and 311 transitions. [2018-10-26 23:49:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 311 transitions. [2018-10-26 23:49:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 23:49:55,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:49:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:49:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 23:49:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:49:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 84 states and 114 transitions. [2018-10-26 23:49:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-10-26 23:49:55,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:49:55,625 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2018-10-26 23:49:55,633 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:49:55,849 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 12 [2018-10-26 23:49:56,079 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,082 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,082 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,082 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,082 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,083 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 23:49:56,087 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:49:56,088 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,088 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,088 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,088 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:49:56,089 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,089 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,089 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,089 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:49:56,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:49:56 ImpRootNode [2018-10-26 23:49:56,090 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:49:56,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:49:56,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:49:56,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:49:56,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:49:31" (3/4) ... [2018-10-26 23:49:56,101 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:49:56,107 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:49:56,107 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:49:56,108 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:49:56,108 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:49:56,108 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:49:56,108 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:49:56,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-10-26 23:49:56,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 23:49:56,118 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 23:49:56,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-10-26 23:49:56,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-10-26 23:49:56,204 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe86eb83-20d6-48ab-b212-cc0965f557e2/bin-2019/ukojak/witness.graphml [2018-10-26 23:49:56,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:49:56,205 INFO L168 Benchmark]: Toolchain (without parser) took 28112.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 959.6 MB in the beginning and 848.1 MB in the end (delta: 111.6 MB). Peak memory consumption was 415.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,207 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:49:56,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.62 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -209.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,208 INFO L168 Benchmark]: Boogie Preprocessor took 29.45 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,208 INFO L168 Benchmark]: RCFGBuilder took 2666.60 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: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,208 INFO L168 Benchmark]: CodeCheck took 24781.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.0 GB in the beginning and 851.1 MB in the end (delta: 196.4 MB). Peak memory consumption was 352.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,209 INFO L168 Benchmark]: Witness Printer took 112.87 ms. Allocated memory is still 1.3 GB. Free memory was 851.1 MB in the beginning and 848.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:49:56,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 113 locations, 1 error locations. SAFE Result, 24.2s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1859041072 SDtfs, 631888806 SDslu, -1951566192 SDs, 0 SdLazy, -1905722458 SolverSat, -1477995884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18638 GetRequests, 18228 SyntacticMatches, 168 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26206 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1917 NumberOfCodeBlocks, 1917 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1880 ConstructedInterpolants, 0 QuantifiedInterpolants, 227466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 22 PerfectInterpolantSequences, 888/982 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.62 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -209.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.45 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2666.60 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: 92.3 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * CodeCheck took 24781.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.0 GB in the beginning and 851.1 MB in the end (delta: 196.4 MB). Peak memory consumption was 352.7 MB. Max. memory is 11.5 GB. * Witness Printer took 112.87 ms. Allocated memory is still 1.3 GB. Free memory was 851.1 MB in the beginning and 848.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...