./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/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 4fc86a08ff37d05adddb13279399a852f6ece83c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:48:46,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:48:46,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:48:46,699 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:48:46,699 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:48:46,700 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:48:46,700 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:48:46,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:48:46,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:48:46,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:48:46,703 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:48:46,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:48:46,704 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:48:46,705 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:48:46,705 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:48:46,706 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:48:46,706 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:48:46,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:48:46,709 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:48:46,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:48:46,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:48:46,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:48:46,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:48:46,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:48:46,713 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:48:46,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:48:46,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:48:46,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:48:46,715 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:48:46,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:48:46,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:48:46,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:48:46,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:48:46,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:48:46,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:48:46,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:48:46,717 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:48:46,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:48:46,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:48:46,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:48:46,727 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:48:46,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:48:46,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:48:46,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:48:46,729 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:48:46,729 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:48:46,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:48:46,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:48:46,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:48:46,731 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_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/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 -> 4fc86a08ff37d05adddb13279399a852f6ece83c [2018-11-23 14:48:46,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:48:46,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:48:46,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:48:46,767 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:48:46,768 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:48:46,768 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-11-23 14:48:46,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/data/ce3b321df/35e560dfaaf24633919c951e9bf4b34c/FLAG301e122f7 [2018-11-23 14:48:47,160 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:48:47,160 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-11-23 14:48:47,165 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/data/ce3b321df/35e560dfaaf24633919c951e9bf4b34c/FLAG301e122f7 [2018-11-23 14:48:47,591 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/data/ce3b321df/35e560dfaaf24633919c951e9bf4b34c [2018-11-23 14:48:47,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:48:47,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:48:47,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:48:47,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:48:47,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:48:47,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47, skipping insertion in model container [2018-11-23 14:48:47,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:48:47,619 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:48:47,728 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:48:47,731 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:48:47,744 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:48:47,752 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:48:47,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47 WrapperNode [2018-11-23 14:48:47,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:48:47,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:48:47,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:48:47,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:48:47,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:48:47,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:48:47,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:48:47,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:48:47,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... [2018-11-23 14:48:47,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:48:47,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:48:47,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:48:47,802 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:48:47,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/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 [2018-11-23 14:48:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:48:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:48:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 14:48:47,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 14:48:48,073 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:48:48,073 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 14:48:48,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:48 BoogieIcfgContainer [2018-11-23 14:48:48,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:48:48,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:48:48,074 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:48:48,080 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:48:48,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:48" (1/1) ... [2018-11-23 14:48:48,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:48:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-11-23 14:48:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-11-23 14:48:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:48:48,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 67 transitions. [2018-11-23 14:48:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2018-11-23 14:48:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:48:48,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 75 transitions. [2018-11-23 14:48:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-11-23 14:48:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:48:48,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 85 transitions. [2018-11-23 14:48:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-11-23 14:48:48,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 14:48:48,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:48,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 88 transitions. [2018-11-23 14:48:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2018-11-23 14:48:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:48:48,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 102 transitions. [2018-11-23 14:48:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2018-11-23 14:48:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:48:49,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 116 transitions. [2018-11-23 14:48:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2018-11-23 14:48:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:48:49,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 57 states and 125 transitions. [2018-11-23 14:48:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 125 transitions. [2018-11-23 14:48:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 14:48:50,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:48:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 129 transitions. [2018-11-23 14:48:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 129 transitions. [2018-11-23 14:48:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:48:50,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:48:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 132 transitions. [2018-11-23 14:48:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 132 transitions. [2018-11-23 14:48:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:48:50,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:48:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 148 transitions. [2018-11-23 14:48:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2018-11-23 14:48:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:48:51,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:48:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 70 states and 157 transitions. [2018-11-23 14:48:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 157 transitions. [2018-11-23 14:48:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 14:48:51,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:48:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 160 transitions. [2018-11-23 14:48:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-11-23 14:48:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 14:48:51,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:48:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 73 states and 166 transitions. [2018-11-23 14:48:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 166 transitions. [2018-11-23 14:48:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 14:48:52,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:48:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 169 transitions. [2018-11-23 14:48:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2018-11-23 14:48:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 14:48:52,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:48:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 82 states and 191 transitions. [2018-11-23 14:48:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 191 transitions. [2018-11-23 14:48:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 14:48:53,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:48:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 88 states and 209 transitions. [2018-11-23 14:48:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-11-23 14:48:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 14:48:54,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:48:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 92 states and 219 transitions. [2018-11-23 14:48:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 219 transitions. [2018-11-23 14:48:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 14:48:55,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:48:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 93 states and 220 transitions. [2018-11-23 14:48:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 220 transitions. [2018-11-23 14:48:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 14:48:55,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:48:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 96 states and 226 transitions. [2018-11-23 14:48:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 226 transitions. [2018-11-23 14:48:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 14:48:56,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:48:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 97 states and 227 transitions. [2018-11-23 14:48:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 227 transitions. [2018-11-23 14:48:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 14:48:56,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:48:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 100 states and 232 transitions. [2018-11-23 14:48:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 232 transitions. [2018-11-23 14:48:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 14:48:56,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:48:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 105 states and 245 transitions. [2018-11-23 14:48:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 245 transitions. [2018-11-23 14:48:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:48:57,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 14:48:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 106 states and 247 transitions. [2018-11-23 14:48:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 247 transitions. [2018-11-23 14:48:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 14:48:57,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 14:48:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:48:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 110 states and 257 transitions. [2018-11-23 14:48:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 257 transitions. [2018-11-23 14:48:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 14:48:58,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:48:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:48:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 14:49:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 122 states and 288 transitions. [2018-11-23 14:49:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2018-11-23 14:49:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 14:49:00,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 128 states and 303 transitions. [2018-11-23 14:49:00,959 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 303 transitions. [2018-11-23 14:49:00,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 14:49:00,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 129 states and 306 transitions. [2018-11-23 14:49:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 306 transitions. [2018-11-23 14:49:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 14:49:01,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 14:49:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 131 states and 311 transitions. [2018-11-23 14:49:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 311 transitions. [2018-11-23 14:49:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 14:49:01,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 14:49:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 140 states and 335 transitions. [2018-11-23 14:49:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 335 transitions. [2018-11-23 14:49:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:49:03,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 144 states and 345 transitions. [2018-11-23 14:49:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 345 transitions. [2018-11-23 14:49:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:49:04,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 145 states and 346 transitions. [2018-11-23 14:49:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 346 transitions. [2018-11-23 14:49:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:49:04,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 146 states and 348 transitions. [2018-11-23 14:49:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 348 transitions. [2018-11-23 14:49:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 14:49:04,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 14:49:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 146 states and 347 transitions. [2018-11-23 14:49:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 347 transitions. [2018-11-23 14:49:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 14:49:04,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 14:49:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 151 states and 356 transitions. [2018-11-23 14:49:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 356 transitions. [2018-11-23 14:49:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:49:05,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 14:49:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 158 states and 386 transitions. [2018-11-23 14:49:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 386 transitions. [2018-11-23 14:49:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:49:08,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 14:49:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 159 states and 388 transitions. [2018-11-23 14:49:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 388 transitions. [2018-11-23 14:49:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:08,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 14:49:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 166 states and 413 transitions. [2018-11-23 14:49:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 413 transitions. [2018-11-23 14:49:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:10,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 14:49:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 173 states and 434 transitions. [2018-11-23 14:49:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 434 transitions. [2018-11-23 14:49:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:11,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 14:49:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 175 states and 439 transitions. [2018-11-23 14:49:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 439 transitions. [2018-11-23 14:49:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:12,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 14:49:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 177 states and 446 transitions. [2018-11-23 14:49:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 446 transitions. [2018-11-23 14:49:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:13,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 14:49:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 178 states and 449 transitions. [2018-11-23 14:49:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 449 transitions. [2018-11-23 14:49:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:13,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 14:49:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 179 states and 453 transitions. [2018-11-23 14:49:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 453 transitions. [2018-11-23 14:49:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:13,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 14:49:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 180 states and 454 transitions. [2018-11-23 14:49:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 454 transitions. [2018-11-23 14:49:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:49:13,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 14:49:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 181 states and 456 transitions. [2018-11-23 14:49:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 456 transitions. [2018-11-23 14:49:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:49:14,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 14:49:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 186 states and 470 transitions. [2018-11-23 14:49:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 470 transitions. [2018-11-23 14:49:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:49:15,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 14:49:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 191 states and 479 transitions. [2018-11-23 14:49:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 479 transitions. [2018-11-23 14:49:17,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:49:17,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 14:49:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 191 states and 478 transitions. [2018-11-23 14:49:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 478 transitions. [2018-11-23 14:49:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:49:17,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 14:49:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 198 states and 498 transitions. [2018-11-23 14:49:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 498 transitions. [2018-11-23 14:49:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:49:19,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 14:49:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 199 states and 502 transitions. [2018-11-23 14:49:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 502 transitions. [2018-11-23 14:49:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:49:19,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 14:49:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 200 states and 504 transitions. [2018-11-23 14:49:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 504 transitions. [2018-11-23 14:49:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:49:19,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 14:49:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 201 states and 506 transitions. [2018-11-23 14:49:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 506 transitions. [2018-11-23 14:49:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:49:20,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 14:49:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 211 states and 534 transitions. [2018-11-23 14:49:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 534 transitions. [2018-11-23 14:49:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:49:23,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 39 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-23 14:49:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 211 states and 533 transitions. [2018-11-23 14:49:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 533 transitions. [2018-11-23 14:49:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:49:23,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 14:49:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 215 states and 546 transitions. [2018-11-23 14:49:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 546 transitions. [2018-11-23 14:49:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:49:24,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-11-23 14:49:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 222 states and 564 transitions. [2018-11-23 14:49:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 564 transitions. [2018-11-23 14:49:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:49:27,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-23 14:49:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 230 states and 588 transitions. [2018-11-23 14:49:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 588 transitions. [2018-11-23 14:49:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:49:28,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-23 14:49:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 232 states and 592 transitions. [2018-11-23 14:49:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 592 transitions. [2018-11-23 14:49:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:49:29,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-23 14:49:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 233 states and 594 transitions. [2018-11-23 14:49:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 594 transitions. [2018-11-23 14:49:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:49:30,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-23 14:49:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 235 states and 599 transitions. [2018-11-23 14:49:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 599 transitions. [2018-11-23 14:49:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:49:30,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-23 14:49:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 236 states and 601 transitions. [2018-11-23 14:49:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 601 transitions. [2018-11-23 14:49:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 14:49:31,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 30 proven. 64 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-23 14:49:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 243 states and 620 transitions. [2018-11-23 14:49:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 620 transitions. [2018-11-23 14:49:33,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 14:49:33,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 30 proven. 64 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-23 14:49:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 245 states and 623 transitions. [2018-11-23 14:49:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 623 transitions. [2018-11-23 14:49:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 14:49:33,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-23 14:49:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 247 states and 626 transitions. [2018-11-23 14:49:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 626 transitions. [2018-11-23 14:49:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 14:49:34,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-23 14:49:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 259 states and 658 transitions. [2018-11-23 14:49:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 658 transitions. [2018-11-23 14:49:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 14:49:38,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-23 14:49:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 260 states and 660 transitions. [2018-11-23 14:49:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 660 transitions. [2018-11-23 14:49:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:38,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 267 states and 678 transitions. [2018-11-23 14:49:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 678 transitions. [2018-11-23 14:49:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:40,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 268 states and 682 transitions. [2018-11-23 14:49:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 682 transitions. [2018-11-23 14:49:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:40,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-11-23 14:49:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 273 states and 693 transitions. [2018-11-23 14:49:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 693 transitions. [2018-11-23 14:49:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:42,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 275 states and 702 transitions. [2018-11-23 14:49:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 702 transitions. [2018-11-23 14:49:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:43,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 277 states and 707 transitions. [2018-11-23 14:49:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 707 transitions. [2018-11-23 14:49:43,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:43,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-11-23 14:49:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 279 states and 712 transitions. [2018-11-23 14:49:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 712 transitions. [2018-11-23 14:49:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:44,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 280 states and 714 transitions. [2018-11-23 14:49:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 714 transitions. [2018-11-23 14:49:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:44,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-11-23 14:49:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 283 states and 718 transitions. [2018-11-23 14:49:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 718 transitions. [2018-11-23 14:49:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:45,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-11-23 14:49:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 288 states and 729 transitions. [2018-11-23 14:49:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 729 transitions. [2018-11-23 14:49:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:47,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-11-23 14:49:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 289 states and 730 transitions. [2018-11-23 14:49:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 730 transitions. [2018-11-23 14:49:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:49:47,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-11-23 14:49:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 293 states and 738 transitions. [2018-11-23 14:49:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 738 transitions. [2018-11-23 14:49:48,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 14:49:48,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 79 proven. 59 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-11-23 14:49:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 295 states and 743 transitions. [2018-11-23 14:49:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 743 transitions. [2018-11-23 14:49:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 14:49:50,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 84 proven. 62 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2018-11-23 14:49:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 297 states and 749 transitions. [2018-11-23 14:49:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 749 transitions. [2018-11-23 14:49:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 14:49:51,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-23 14:49:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 298 states and 750 transitions. [2018-11-23 14:49:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 750 transitions. [2018-11-23 14:49:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 14:49:51,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-23 14:49:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 307 states and 770 transitions. [2018-11-23 14:49:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 770 transitions. [2018-11-23 14:49:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 14:49:54,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-11-23 14:49:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 308 states and 772 transitions. [2018-11-23 14:49:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 772 transitions. [2018-11-23 14:49:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 14:49:54,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 50 proven. 97 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2018-11-23 14:49:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 309 states and 773 transitions. [2018-11-23 14:49:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 773 transitions. [2018-11-23 14:49:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 14:49:55,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 42 proven. 102 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-11-23 14:49:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 310 states and 776 transitions. [2018-11-23 14:49:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 776 transitions. [2018-11-23 14:49:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 14:49:55,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 42 proven. 102 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-11-23 14:49:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 313 states and 781 transitions. [2018-11-23 14:49:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 781 transitions. [2018-11-23 14:49:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 14:49:56,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 39 proven. 58 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2018-11-23 14:49:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 315 states and 784 transitions. [2018-11-23 14:49:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 784 transitions. [2018-11-23 14:49:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 14:49:57,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 46 proven. 117 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-11-23 14:49:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 317 states and 789 transitions. [2018-11-23 14:49:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 789 transitions. [2018-11-23 14:49:57,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 14:49:57,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 41 proven. 61 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2018-11-23 14:49:58,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 319 states and 792 transitions. [2018-11-23 14:49:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 792 transitions. [2018-11-23 14:49:58,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 14:49:58,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 58 proven. 127 refuted. 0 times theorem prover too weak. 809 trivial. 0 not checked. [2018-11-23 14:49:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 321 states and 795 transitions. [2018-11-23 14:49:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 795 transitions. [2018-11-23 14:49:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 14:49:58,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:49:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:49:58,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 50 proven. 130 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2018-11-23 14:49:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:49:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 98 states and 216 transitions. [2018-11-23 14:49:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 216 transitions. [2018-11-23 14:49:58,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:49:58,429 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-23 14:49:58,435 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:49:59,003 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2018-11-23 14:49:59,197 INFO L579 CodeCheckObserver]: Invariant with dag size 36 [2018-11-23 14:49:59,207 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:49:59,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:49:59 ImpRootNode [2018-11-23 14:49:59,208 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:49:59,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:49:59,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:49:59,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:49:59,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:48" (3/4) ... [2018-11-23 14:49:59,214 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:49:59,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 14:49:59,223 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:49:59,223 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 14:49:59,224 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:49:59,266 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b63f59fb-be42-4899-b0b4-bfeefa6ad6bb/bin-2019/ukojak/witness.graphml [2018-11-23 14:49:59,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:49:59,266 INFO L168 Benchmark]: Toolchain (without parser) took 71672.66 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 953.8 MB in the beginning and 1.9 GB in the end (delta: -915.0 MB). Peak memory consumption was 312.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,267 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:49:59,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.36 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,268 INFO L168 Benchmark]: Boogie Preprocessor took 18.95 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:49:59,268 INFO L168 Benchmark]: RCFGBuilder took 272.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,268 INFO L168 Benchmark]: CodeCheck took 71134.11 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -762.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,269 INFO L168 Benchmark]: Witness Printer took 57.52 ms. Allocated memory is still 2.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:49:59,273 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 2 procedures, 38 locations, 1 error locations. SAFE Result, 70.3s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 2146106816 SDslu, 1493848000 SDs, 0 SdLazy, 1095085124 SolverSat, -358157040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78216 GetRequests, 75989 SyntacticMatches, 1301 SemanticMatches, 926 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458435 ImplicationChecksByTransitivity, 65.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 5599 NumberOfCodeBlocks, 5599 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 5510 ConstructedInterpolants, 0 QuantifiedInterpolants, 987662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 7 PerfectInterpolantSequences, 20561/23949 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: 5]: 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: 24]: Loop Invariant Derived loop invariant: ((((((((((j < 2 * l && 2 * i + 2 <= r + j) && j <= 2 * i) && 2 <= j) || ((r + 2 * l < j + 2 && j <= 2 * i) && 2 <= j)) || (((2 * i + 2 <= r + j && l < 1) && j <= 2 * i) && 2 <= j)) || j < 1) || r < 2) || (n < r && 2 <= j)) || (2 * i <= j && j <= 2 * i)) || (((2 * l < j && 2 * i + 2 <= r + j) && 1 <= l) && j <= 2 * i)) || (!(l + 1 <= n) && 2 <= j) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.36 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.95 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 272.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * CodeCheck took 71134.11 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -762.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 57.52 ms. Allocated memory is still 2.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...