./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 14:53:10,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:53:10,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:53:10,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:53:10,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:53:10,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:53:10,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:53:10,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:53:10,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:53:10,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:53:10,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:53:10,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:53:10,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:53:10,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:53:10,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:53:10,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:53:10,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:53:10,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:53:10,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:53:10,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:53:10,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:53:10,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:53:10,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:53:10,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:53:10,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:53:10,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:53:10,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:53:10,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:53:10,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:53:10,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:53:10,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:53:10,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:53:10,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:53:10,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:53:10,860 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:53:10,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:53:10,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 14:53:10,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:53:10,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:53:10,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 14:53:10,868 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 14:53:10,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:53:10,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:53:10,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 14:53:10,870 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:53:10,870 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:53:10,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:53:10,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:53:10,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:53:10,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:53:10,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:53:10,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 14:53:10,871 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:53:10,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:53:10,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 14:53:10,872 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_bd2cd670-1030-4168-b962-b9f58a56349b/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-12-01 14:53:10,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:53:10,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:53:10,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:53:10,901 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:53:10,902 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:53:10,902 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-01 14:53:10,940 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/data/03b0fe4f7/14b343de74914b61b9edccb057c59c53/FLAGc9a56a191 [2018-12-01 14:53:11,273 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:53:11,273 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-01 14:53:11,281 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/data/03b0fe4f7/14b343de74914b61b9edccb057c59c53/FLAGc9a56a191 [2018-12-01 14:53:11,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/data/03b0fe4f7/14b343de74914b61b9edccb057c59c53 [2018-12-01 14:53:11,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:53:11,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:53:11,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:53:11,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:53:11,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:53:11,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11, skipping insertion in model container [2018-12-01 14:53:11,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:53:11,325 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:53:11,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:53:11,500 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:53:11,585 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:53:11,595 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:53:11,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11 WrapperNode [2018-12-01 14:53:11,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:53:11,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:53:11,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:53:11,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:53:11,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:53:11,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:53:11,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:53:11,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:53:11,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... [2018-12-01 14:53:11,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:53:11,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:53:11,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:53:11,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:53:11,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/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 [2018-12-01 14:53:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:53:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:53:12,678 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:53:12,678 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 14:53:12,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:12 BoogieIcfgContainer [2018-12-01 14:53:12,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:53:12,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:53:12,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:53:12,688 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:53:12,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:12" (1/1) ... [2018-12-01 14:53:12,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:53:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 14:53:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 14:53:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 14:53:12,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:53:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-01 14:53:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-01 14:53:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 14:53:13,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:53:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-12-01 14:53:13,717 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-12-01 14:53:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 14:53:13,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 14:53:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-12-01 14:53:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-12-01 14:53:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 14:53:13,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 14:53:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 249 states and 333 transitions. [2018-12-01 14:53:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 333 transitions. [2018-12-01 14:53:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 14:53:13,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-12-01 14:53:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-12-01 14:53:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 14:53:14,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 284 states and 385 transitions. [2018-12-01 14:53:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 385 transitions. [2018-12-01 14:53:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 14:53:14,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-12-01 14:53:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-12-01 14:53:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 14:53:14,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 309 states and 421 transitions. [2018-12-01 14:53:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 421 transitions. [2018-12-01 14:53:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 14:53:15,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:15,139 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 14:53:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-12-01 14:53:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-12-01 14:53:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 14:53:15,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:15,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 331 states and 447 transitions. [2018-12-01 14:53:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 447 transitions. [2018-12-01 14:53:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:53:15,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 14:53:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 332 states and 449 transitions. [2018-12-01 14:53:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2018-12-01 14:53:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:53:15,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 14:53:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 335 states and 453 transitions. [2018-12-01 14:53:15,754 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 453 transitions. [2018-12-01 14:53:15,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 14:53:15,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:53:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 346 states and 469 transitions. [2018-12-01 14:53:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2018-12-01 14:53:16,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 14:53:16,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 347 states and 472 transitions. [2018-12-01 14:53:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2018-12-01 14:53:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 14:53:16,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2018-12-01 14:53:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2018-12-01 14:53:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-01 14:53:16,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 394 states and 529 transitions. [2018-12-01 14:53:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 529 transitions. [2018-12-01 14:53:17,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 14:53:17,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 424 states and 565 transitions. [2018-12-01 14:53:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 565 transitions. [2018-12-01 14:53:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 14:53:17,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 427 states and 569 transitions. [2018-12-01 14:53:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 569 transitions. [2018-12-01 14:53:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 14:53:18,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 443 states and 587 transitions. [2018-12-01 14:53:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 587 transitions. [2018-12-01 14:53:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 14:53:18,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 444 states and 589 transitions. [2018-12-01 14:53:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 589 transitions. [2018-12-01 14:53:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 14:53:18,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 463 states and 611 transitions. [2018-12-01 14:53:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 611 transitions. [2018-12-01 14:53:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 14:53:18,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 14:53:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 467 states and 614 transitions. [2018-12-01 14:53:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 614 transitions. [2018-12-01 14:53:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 14:53:18,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:53:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 499 states and 646 transitions. [2018-12-01 14:53:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 646 transitions. [2018-12-01 14:53:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 14:53:19,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 504 states and 650 transitions. [2018-12-01 14:53:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 650 transitions. [2018-12-01 14:53:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 14:53:19,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 518 states and 665 transitions. [2018-12-01 14:53:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 665 transitions. [2018-12-01 14:53:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 14:53:19,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 530 states and 676 transitions. [2018-12-01 14:53:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 676 transitions. [2018-12-01 14:53:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 14:53:19,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 570 states and 728 transitions. [2018-12-01 14:53:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 728 transitions. [2018-12-01 14:53:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 14:53:21,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 585 states and 742 transitions. [2018-12-01 14:53:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 742 transitions. [2018-12-01 14:53:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 14:53:21,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 597 states and 753 transitions. [2018-12-01 14:53:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 753 transitions. [2018-12-01 14:53:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 14:53:21,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 616 states and 772 transitions. [2018-12-01 14:53:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 772 transitions. [2018-12-01 14:53:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 14:53:21,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 14:53:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 617 states and 773 transitions. [2018-12-01 14:53:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 773 transitions. [2018-12-01 14:53:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 14:53:21,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 622 states and 780 transitions. [2018-12-01 14:53:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 780 transitions. [2018-12-01 14:53:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 14:53:21,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 624 states and 782 transitions. [2018-12-01 14:53:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 782 transitions. [2018-12-01 14:53:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 14:53:21,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 625 states and 783 transitions. [2018-12-01 14:53:21,954 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 783 transitions. [2018-12-01 14:53:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 14:53:21,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:53:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 639 states and 797 transitions. [2018-12-01 14:53:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 797 transitions. [2018-12-01 14:53:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 14:53:22,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-01 14:53:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 641 states and 798 transitions. [2018-12-01 14:53:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 798 transitions. [2018-12-01 14:53:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 14:53:22,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 660 states and 820 transitions. [2018-12-01 14:53:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2018-12-01 14:53:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 14:53:22,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 661 states and 821 transitions. [2018-12-01 14:53:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 821 transitions. [2018-12-01 14:53:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 14:53:22,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 664 states and 824 transitions. [2018-12-01 14:53:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 824 transitions. [2018-12-01 14:53:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 14:53:22,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 665 states and 825 transitions. [2018-12-01 14:53:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 825 transitions. [2018-12-01 14:53:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 14:53:22,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 680 states and 839 transitions. [2018-12-01 14:53:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 839 transitions. [2018-12-01 14:53:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 14:53:23,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 14:53:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 696 states and 856 transitions. [2018-12-01 14:53:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 856 transitions. [2018-12-01 14:53:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 14:53:23,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 720 states and 881 transitions. [2018-12-01 14:53:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 881 transitions. [2018-12-01 14:53:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 14:53:24,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 737 states and 901 transitions. [2018-12-01 14:53:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 901 transitions. [2018-12-01 14:53:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 14:53:25,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 749 states and 912 transitions. [2018-12-01 14:53:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 912 transitions. [2018-12-01 14:53:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 14:53:25,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 771 states and 935 transitions. [2018-12-01 14:53:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 935 transitions. [2018-12-01 14:53:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 14:53:25,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 799 states and 963 transitions. [2018-12-01 14:53:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 963 transitions. [2018-12-01 14:53:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 14:53:25,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:25,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 803 states and 967 transitions. [2018-12-01 14:53:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 967 transitions. [2018-12-01 14:53:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 14:53:25,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 14:53:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 821 states and 987 transitions. [2018-12-01 14:53:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 987 transitions. [2018-12-01 14:53:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 14:53:26,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 831 states and 998 transitions. [2018-12-01 14:53:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 998 transitions. [2018-12-01 14:53:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 14:53:26,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:26,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 843 states and 1013 transitions. [2018-12-01 14:53:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1013 transitions. [2018-12-01 14:53:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 14:53:26,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 854 states and 1031 transitions. [2018-12-01 14:53:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1031 transitions. [2018-12-01 14:53:29,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 14:53:29,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 14:53:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 855 states and 1032 transitions. [2018-12-01 14:53:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1032 transitions. [2018-12-01 14:53:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 14:53:29,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 14:53:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 856 states and 1032 transitions. [2018-12-01 14:53:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1032 transitions. [2018-12-01 14:53:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 14:53:30,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 860 states and 1037 transitions. [2018-12-01 14:53:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1037 transitions. [2018-12-01 14:53:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 14:53:30,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 14:53:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 874 states and 1051 transitions. [2018-12-01 14:53:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1051 transitions. [2018-12-01 14:53:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 14:53:31,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-01 14:53:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 886 states and 1062 transitions. [2018-12-01 14:53:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1062 transitions. [2018-12-01 14:53:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 14:53:32,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 957 states and 1141 transitions. [2018-12-01 14:53:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1141 transitions. [2018-12-01 14:53:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 14:53:32,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 962 states and 1145 transitions. [2018-12-01 14:53:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1145 transitions. [2018-12-01 14:53:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 14:53:33,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 963 states and 1145 transitions. [2018-12-01 14:53:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1145 transitions. [2018-12-01 14:53:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 14:53:33,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 14:53:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 988 states and 1170 transitions. [2018-12-01 14:53:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1170 transitions. [2018-12-01 14:53:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 14:53:33,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:53:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 994 states and 1176 transitions. [2018-12-01 14:53:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1176 transitions. [2018-12-01 14:53:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 14:53:33,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 14:53:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 995 states and 1176 transitions. [2018-12-01 14:53:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1176 transitions. [2018-12-01 14:53:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 14:53:34,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 998 states and 1179 transitions. [2018-12-01 14:53:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1179 transitions. [2018-12-01 14:53:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 14:53:34,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:53:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1069 states and 1256 transitions. [2018-12-01 14:53:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1256 transitions. [2018-12-01 14:53:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 14:53:35,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 14:53:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1101 states and 1292 transitions. [2018-12-01 14:53:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1292 transitions. [2018-12-01 14:53:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 14:53:35,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 14:53:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1102 states and 1292 transitions. [2018-12-01 14:53:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1292 transitions. [2018-12-01 14:53:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 14:53:36,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 14:53:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1108 states and 1300 transitions. [2018-12-01 14:53:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1300 transitions. [2018-12-01 14:53:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-01 14:53:36,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 14:53:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1128 states and 1325 transitions. [2018-12-01 14:53:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1325 transitions. [2018-12-01 14:53:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-01 14:53:37,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:37,401 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 14:53:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1130 states and 1326 transitions. [2018-12-01 14:53:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1326 transitions. [2018-12-01 14:53:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 14:53:37,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 14:53:37,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1150 states and 1348 transitions. [2018-12-01 14:53:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1348 transitions. [2018-12-01 14:53:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 14:53:37,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 14:53:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1151 states and 1350 transitions. [2018-12-01 14:53:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1350 transitions. [2018-12-01 14:53:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 14:53:38,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 14:53:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1154 states and 1353 transitions. [2018-12-01 14:53:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1353 transitions. [2018-12-01 14:53:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 14:53:38,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1187 states and 1392 transitions. [2018-12-01 14:53:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1392 transitions. [2018-12-01 14:53:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 14:53:39,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 14:53:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1191 states and 1396 transitions. [2018-12-01 14:53:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1396 transitions. [2018-12-01 14:53:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-01 14:53:39,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 14:53:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1195 states and 1402 transitions. [2018-12-01 14:53:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1402 transitions. [2018-12-01 14:53:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 14:53:40,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 14:53:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1213 states and 1419 transitions. [2018-12-01 14:53:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1419 transitions. [2018-12-01 14:53:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-01 14:53:40,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 14:53:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1251 states and 1459 transitions. [2018-12-01 14:53:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1459 transitions. [2018-12-01 14:53:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 14:53:40,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 14:53:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1318 states and 1532 transitions. [2018-12-01 14:53:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1532 transitions. [2018-12-01 14:53:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-01 14:53:46,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-01 14:53:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1321 states and 1534 transitions. [2018-12-01 14:53:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1534 transitions. [2018-12-01 14:53:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 14:53:46,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 14:53:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1357 states and 1571 transitions. [2018-12-01 14:53:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1571 transitions. [2018-12-01 14:53:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 14:53:48,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 14:53:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1478 states and 1711 transitions. [2018-12-01 14:53:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1711 transitions. [2018-12-01 14:53:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 14:53:53,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 14:53:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1482 states and 1715 transitions. [2018-12-01 14:53:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1715 transitions. [2018-12-01 14:53:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-01 14:53:54,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 14:53:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1487 states and 1719 transitions. [2018-12-01 14:53:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1719 transitions. [2018-12-01 14:53:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-01 14:53:54,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 14:53:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1514 states and 1746 transitions. [2018-12-01 14:53:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1746 transitions. [2018-12-01 14:53:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 14:53:54,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 14:53:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1538 states and 1770 transitions. [2018-12-01 14:53:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1770 transitions. [2018-12-01 14:53:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 14:53:55,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 14:53:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1557 states and 1788 transitions. [2018-12-01 14:53:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1788 transitions. [2018-12-01 14:53:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 14:53:55,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 14:53:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1571 states and 1802 transitions. [2018-12-01 14:53:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1802 transitions. [2018-12-01 14:53:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 14:53:55,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 14:53:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1586 states and 1820 transitions. [2018-12-01 14:53:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1820 transitions. [2018-12-01 14:53:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 14:53:56,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:53:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:53:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 14:53:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:53:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1424 states and 1635 transitions. [2018-12-01 14:53:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1635 transitions. [2018-12-01 14:53:56,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:53:56,786 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 91 iterations. [2018-12-01 14:53:56,797 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 14:53:59,726 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 14:53:59,728 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-01 14:53:59,734 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-01 14:53:59,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:53:59 ImpRootNode [2018-12-01 14:53:59,735 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:53:59,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:53:59,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:53:59,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:53:59,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:12" (3/4) ... [2018-12-01 14:53:59,739 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:53:59,752 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-01 14:53:59,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 14:53:59,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 14:53:59,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:53:59,835 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bd2cd670-1030-4168-b962-b9f58a56349b/bin-2019/ukojak/witness.graphml [2018-12-01 14:53:59,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:53:59,835 INFO L168 Benchmark]: Toolchain (without parser) took 48542.43 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 945.3 MB in the beginning and 825.9 MB in the end (delta: 119.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 14:53:59,836 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:53:59,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:53:59,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 14:53:59,837 INFO L168 Benchmark]: Boogie Preprocessor took 28.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:53:59,837 INFO L168 Benchmark]: RCFGBuilder took 1014.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.6 MB in the end (delta: 220.4 MB). Peak memory consumption was 220.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:53:59,838 INFO L168 Benchmark]: CodeCheck took 47055.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 968.9 MB). Free memory was 898.6 MB in the beginning and 825.9 MB in the end (delta: 72.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 14:53:59,838 INFO L168 Benchmark]: Witness Printer took 99.68 ms. Allocated memory is still 2.1 GB. Free memory is still 825.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:53:59,840 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 1 procedures, 227 locations, 1 error locations. SAFE Result, 44.0s OverallTime, 91 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 227420176 SDtfs, 1032386636 SDslu, 46900320 SDs, 0 SdLazy, -1851826814 SolverSat, 602863150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 168.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101292 GetRequests, 99774 SyntacticMatches, 894 SemanticMatches, 624 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288036 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 16057 NumberOfCodeBlocks, 16057 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 15967 ConstructedInterpolants, 0 QuantifiedInterpolants, 7101892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 71 PerfectInterpolantSequences, 15283/15548 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: 463]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1014.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.6 MB in the end (delta: 220.4 MB). Peak memory consumption was 220.4 MB. Max. memory is 11.5 GB. * CodeCheck took 47055.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 968.9 MB). Free memory was 898.6 MB in the beginning and 825.9 MB in the end (delta: 72.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 99.68 ms. Allocated memory is still 2.1 GB. Free memory is still 825.9 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...