./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/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 66834ce7ab851f30f4141210f1887a35b259a922 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:11:29,563 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:11:29,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:11:29,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:11:29,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:11:29,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:11:29,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:11:29,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:11:29,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:11:29,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:11:29,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:11:29,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:11:29,577 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:11:29,578 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:11:29,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:11:29,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:11:29,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:11:29,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:11:29,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:11:29,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:11:29,585 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:11:29,586 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:11:29,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:11:29,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:11:29,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:11:29,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:11:29,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:11:29,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:11:29,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:11:29,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:11:29,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:11:29,593 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:11:29,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:11:29,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:11:29,594 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:11:29,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:11:29,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:11:29,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:11:29,605 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:11:29,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:11:29,606 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:11:29,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:11:29,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:11:29,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:11:29,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:11:29,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:11:29,609 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:11:29,609 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:11:29,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:11:29,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:11:29,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:11:29,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:11:29,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:11:29,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:11:29,610 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:11:29,610 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:11:29,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:11:29,610 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_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/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 -> 66834ce7ab851f30f4141210f1887a35b259a922 [2018-11-18 12:11:29,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:11:29,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:11:29,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:11:29,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:11:29,644 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:11:29,645 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-11-18 12:11:29,681 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/data/b98c9d89b/ef4ea003c07748c488967b39360c7161/FLAG807b8c037 [2018-11-18 12:11:30,109 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:11:30,109 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-11-18 12:11:30,116 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/data/b98c9d89b/ef4ea003c07748c488967b39360c7161/FLAG807b8c037 [2018-11-18 12:11:30,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/data/b98c9d89b/ef4ea003c07748c488967b39360c7161 [2018-11-18 12:11:30,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:11:30,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:11:30,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:11:30,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:11:30,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:11:30,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30, skipping insertion in model container [2018-11-18 12:11:30,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:11:30,170 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:11:30,374 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:11:30,383 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:11:30,486 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:11:30,503 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:11:30,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30 WrapperNode [2018-11-18 12:11:30,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:11:30,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:11:30,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:11:30,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:11:30,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:11:30,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:11:30,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:11:30,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:11:30,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... [2018-11-18 12:11:30,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:11:30,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:11:30,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:11:30,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:11:30,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:11:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:11:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:11:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:11:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:11:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:11:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:11:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:11:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:11:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:11:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:11:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:11:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:11:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:11:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:11:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:11:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:11:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:11:31,297 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:11:31,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:31 BoogieIcfgContainer [2018-11-18 12:11:31,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:11:31,298 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:11:31,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:11:31,307 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:11:31,307 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:31" (1/1) ... [2018-11-18 12:11:31,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2018-11-18 12:11:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2018-11-18 12:11:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:11:31,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2018-11-18 12:11:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2018-11-18 12:11:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:11:31,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:31,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-11-18 12:11:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-11-18 12:11:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:11:31,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2018-11-18 12:11:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2018-11-18 12:11:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:11:31,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 82 states and 111 transitions. [2018-11-18 12:11:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2018-11-18 12:11:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:11:31,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2018-11-18 12:11:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2018-11-18 12:11:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:11:31,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2018-11-18 12:11:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2018-11-18 12:11:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:11:32,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2018-11-18 12:11:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2018-11-18 12:11:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:11:32,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 121 states and 185 transitions. [2018-11-18 12:11:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 185 transitions. [2018-11-18 12:11:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:11:32,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 122 states and 186 transitions. [2018-11-18 12:11:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 186 transitions. [2018-11-18 12:11:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:11:32,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2018-11-18 12:11:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2018-11-18 12:11:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:11:33,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 139 states and 224 transitions. [2018-11-18 12:11:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 224 transitions. [2018-11-18 12:11:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 12:11:33,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 140 states and 225 transitions. [2018-11-18 12:11:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 225 transitions. [2018-11-18 12:11:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:11:33,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2018-11-18 12:11:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2018-11-18 12:11:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:11:33,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 145 states and 238 transitions. [2018-11-18 12:11:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2018-11-18 12:11:34,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:11:34,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:11:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 153 states and 257 transitions. [2018-11-18 12:11:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 257 transitions. [2018-11-18 12:11:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:11:34,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 155 states and 261 transitions. [2018-11-18 12:11:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-18 12:11:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:11:35,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 165 states and 280 transitions. [2018-11-18 12:11:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 280 transitions. [2018-11-18 12:11:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:11:35,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 166 states and 281 transitions. [2018-11-18 12:11:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-11-18 12:11:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:11:35,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 167 states and 282 transitions. [2018-11-18 12:11:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 282 transitions. [2018-11-18 12:11:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:11:35,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:11:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 170 states and 285 transitions. [2018-11-18 12:11:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 285 transitions. [2018-11-18 12:11:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:11:35,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:11:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 177 states and 298 transitions. [2018-11-18 12:11:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2018-11-18 12:11:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:11:35,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 185 states and 325 transitions. [2018-11-18 12:11:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 325 transitions. [2018-11-18 12:11:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:11:36,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 188 states and 327 transitions. [2018-11-18 12:11:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 327 transitions. [2018-11-18 12:11:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:11:36,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 193 states and 337 transitions. [2018-11-18 12:11:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 337 transitions. [2018-11-18 12:11:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:11:36,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 200 states and 356 transitions. [2018-11-18 12:11:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 356 transitions. [2018-11-18 12:11:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:11:36,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:11:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 213 states and 401 transitions. [2018-11-18 12:11:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 401 transitions. [2018-11-18 12:11:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:11:38,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 232 states and 454 transitions. [2018-11-18 12:11:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 454 transitions. [2018-11-18 12:11:39,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:11:39,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:11:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 233 states and 455 transitions. [2018-11-18 12:11:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 455 transitions. [2018-11-18 12:11:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:11:39,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 237 states and 466 transitions. [2018-11-18 12:11:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 466 transitions. [2018-11-18 12:11:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:11:40,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 246 states and 502 transitions. [2018-11-18 12:11:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 502 transitions. [2018-11-18 12:11:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:11:40,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 249 states and 512 transitions. [2018-11-18 12:11:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 512 transitions. [2018-11-18 12:11:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:11:41,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 258 states and 544 transitions. [2018-11-18 12:11:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 544 transitions. [2018-11-18 12:11:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:11:42,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:11:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 263 states and 556 transitions. [2018-11-18 12:11:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 556 transitions. [2018-11-18 12:11:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:11:42,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:11:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 261 states and 533 transitions. [2018-11-18 12:11:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 533 transitions. [2018-11-18 12:11:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:11:42,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 262 states and 534 transitions. [2018-11-18 12:11:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 534 transitions. [2018-11-18 12:11:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:11:42,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 263 states and 537 transitions. [2018-11-18 12:11:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 537 transitions. [2018-11-18 12:11:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:11:43,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 265 states and 540 transitions. [2018-11-18 12:11:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 540 transitions. [2018-11-18 12:11:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:11:43,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:11:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 266 states and 541 transitions. [2018-11-18 12:11:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 541 transitions. [2018-11-18 12:11:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 12:11:43,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:11:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 268 states and 554 transitions. [2018-11-18 12:11:44,163 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 554 transitions. [2018-11-18 12:11:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:11:44,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 269 states and 555 transitions. [2018-11-18 12:11:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 555 transitions. [2018-11-18 12:11:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:11:44,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 270 states and 556 transitions. [2018-11-18 12:11:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 556 transitions. [2018-11-18 12:11:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:11:44,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 271 states and 559 transitions. [2018-11-18 12:11:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 559 transitions. [2018-11-18 12:11:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:11:45,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:11:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 274 states and 565 transitions. [2018-11-18 12:11:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 565 transitions. [2018-11-18 12:11:45,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 12:11:45,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:11:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 275 states and 566 transitions. [2018-11-18 12:11:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 566 transitions. [2018-11-18 12:11:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 12:11:45,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:11:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 279 states and 570 transitions. [2018-11-18 12:11:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 570 transitions. [2018-11-18 12:11:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 12:11:45,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:11:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 283 states and 579 transitions. [2018-11-18 12:11:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 579 transitions. [2018-11-18 12:11:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:11:46,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:11:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 273 states and 549 transitions. [2018-11-18 12:11:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 549 transitions. [2018-11-18 12:11:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:11:46,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 12:11:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 275 states and 552 transitions. [2018-11-18 12:11:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 552 transitions. [2018-11-18 12:11:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:11:46,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:46,509 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 12:11:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 279 states and 559 transitions. [2018-11-18 12:11:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 559 transitions. [2018-11-18 12:11:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:11:46,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:11:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 277 states and 555 transitions. [2018-11-18 12:11:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 555 transitions. [2018-11-18 12:11:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:11:46,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:11:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 280 states and 557 transitions. [2018-11-18 12:11:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 557 transitions. [2018-11-18 12:11:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:11:47,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 12:11:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 281 states and 558 transitions. [2018-11-18 12:11:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 558 transitions. [2018-11-18 12:11:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:11:47,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 12:11:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 282 states and 559 transitions. [2018-11-18 12:11:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 559 transitions. [2018-11-18 12:11:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 12:11:47,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 12:11:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 277 states and 549 transitions. [2018-11-18 12:11:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 549 transitions. [2018-11-18 12:11:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 12:11:47,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 12:11:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 272 states and 538 transitions. [2018-11-18 12:11:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 538 transitions. [2018-11-18 12:11:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:11:47,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 12:11:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 281 states and 548 transitions. [2018-11-18 12:11:49,476 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 548 transitions. [2018-11-18 12:11:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 12:11:49,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 12:11:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 284 states and 551 transitions. [2018-11-18 12:11:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 551 transitions. [2018-11-18 12:11:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 12:11:49,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 12:11:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 285 states and 551 transitions. [2018-11-18 12:11:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 551 transitions. [2018-11-18 12:11:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:11:49,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 12:11:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 288 states and 557 transitions. [2018-11-18 12:11:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 557 transitions. [2018-11-18 12:11:50,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 12:11:50,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:11:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 12:11:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:11:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 116 states and 150 transitions. [2018-11-18 12:11:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2018-11-18 12:11:50,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:11:50,753 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-11-18 12:11:50,759 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:11:51,063 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 12:11:51,067 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 12:11:51,067 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,067 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,068 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,068 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,068 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 12:11:51,068 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,069 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:11:51,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:11:51 ImpRootNode [2018-11-18 12:11:51,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:11:51,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:11:51,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:11:51,070 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:11:51,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:11:31" (3/4) ... [2018-11-18 12:11:51,074 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:11:51,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:11:51,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:11:51,085 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2018-11-18 12:11:51,085 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 12:11:51,086 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 12:11:51,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2018-11-18 12:11:51,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 12:11:51,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methAndRunningLastTime || !(\old(pumpRunning) == pumpRunning)) || !(\old(pumpRunning) == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2018-11-18 12:11:51,148 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7cf2fef2-d21c-492c-bc13-d8851bdc32d7/bin-2019/ukojak/witness.graphml [2018-11-18 12:11:51,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:11:51,148 INFO L168 Benchmark]: Toolchain (without parser) took 21021.49 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 619.2 MB). Free memory was 956.4 MB in the beginning and 885.5 MB in the end (delta: 71.0 MB). Peak memory consumption was 690.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,149 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:11:51,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,150 INFO L168 Benchmark]: Boogie Preprocessor took 30.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:11:51,150 INFO L168 Benchmark]: RCFGBuilder took 720.62 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: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,150 INFO L168 Benchmark]: CodeCheck took 19772.07 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 474.0 MB). Free memory was 1.0 GB in the beginning and 901.4 MB in the end (delta: 140.6 MB). Peak memory consumption was 614.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,150 INFO L168 Benchmark]: Witness Printer took 77.64 ms. Allocated memory is still 1.6 GB. Free memory was 901.4 MB in the beginning and 885.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:51,152 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 10 procedures, 95 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1100738048 SDtfs, -215575048 SDslu, -1919533376 SDs, 0 SdLazy, -1874640456 SolverSat, 1143195684 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38713 GetRequests, 38116 SyntacticMatches, 211 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86209 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 3671 NumberOfCodeBlocks, 3671 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3611 ConstructedInterpolants, 0 QuantifiedInterpolants, 455977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 41 PerfectInterpolantSequences, 1594/1684 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: 317]: 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: 409]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((0 == methAndRunningLastTime || !(\old(pumpRunning) == pumpRunning)) || !(\old(pumpRunning) == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 720.62 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: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * CodeCheck took 19772.07 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 474.0 MB). Free memory was 1.0 GB in the beginning and 901.4 MB in the end (delta: 140.6 MB). Peak memory consumption was 614.6 MB. Max. memory is 11.5 GB. * Witness Printer took 77.64 ms. Allocated memory is still 1.6 GB. Free memory was 901.4 MB in the beginning and 885.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...