./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_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_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/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 f01979d5da4d022026be8efd02bfc41090b6cbce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:48:42,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:48:42,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:48:42,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:48:42,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:48:42,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:48:42,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:48:42,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:48:42,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:48:42,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:48:42,811 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:48:42,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:48:42,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:48:42,812 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:48:42,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:48:42,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:48:42,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:48:42,814 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:48:42,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:48:42,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:48:42,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:48:42,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:48:42,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:48:42,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:48:42,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:48:42,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:48:42,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:48:42,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:48:42,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:48:42,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:48:42,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:48:42,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:48:42,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:48:42,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:48:42,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:48:42,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:48:42,822 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 12:48:42,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:48:42,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:48:42,830 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:48:42,830 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 12:48:42,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:48:42,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:48:42,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:48:42,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:48:42,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:48:42,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:48:42,831 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 12:48:42,831 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 12:48:42,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 12:48:42,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:48:42,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:48:42,832 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_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2018-12-02 12:48:42,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:48:42,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:48:42,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:48:42,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:48:42,859 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:48:42,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-02 12:48:42,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/data/0555bd463/34ab84cab2374e11b2a51c48a1c08b3d/FLAG710ac9a24 [2018-12-02 12:48:43,291 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:48:43,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-02 12:48:43,297 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/data/0555bd463/34ab84cab2374e11b2a51c48a1c08b3d/FLAG710ac9a24 [2018-12-02 12:48:43,625 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/data/0555bd463/34ab84cab2374e11b2a51c48a1c08b3d [2018-12-02 12:48:43,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:48:43,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:48:43,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:48:43,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:48:43,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:48:43,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d3ace8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43, skipping insertion in model container [2018-12-02 12:48:43,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:48:43,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:48:43,827 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:48:43,830 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:48:43,913 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:48:43,922 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:48:43,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43 WrapperNode [2018-12-02 12:48:43,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:48:43,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:48:43,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:48:43,923 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:48:43,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:48:43,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:48:43,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:48:43,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:48:43,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... [2018-12-02 12:48:43,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:48:43,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:48:43,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:48:43,992 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:48:43,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/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 [2018-12-02 12:48:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:48:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:48:45,028 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:48:45,029 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 12:48:45,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:45 BoogieIcfgContainer [2018-12-02 12:48:45,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:48:45,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 12:48:45,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 12:48:45,036 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 12:48:45,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:45" (1/1) ... [2018-12-02 12:48:45,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:48:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 12:48:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 12:48:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 12:48:45,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-02 12:48:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-02 12:48:45,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 12:48:45,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-02 12:48:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-02 12:48:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 12:48:45,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-02 12:48:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-02 12:48:45,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 12:48:45,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-02 12:48:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-02 12:48:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 12:48:46,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-02 12:48:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-02 12:48:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 12:48:46,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 12:48:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-02 12:48:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-02 12:48:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 12:48:46,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-02 12:48:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-02 12:48:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 12:48:46,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-02 12:48:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-02 12:48:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 12:48:47,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-02 12:48:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-02 12:48:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 12:48:47,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-02 12:48:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-02 12:48:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 12:48:47,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-02 12:48:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-02 12:48:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 12:48:48,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-02 12:48:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-02 12:48:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:48:48,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-02 12:48:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-02 12:48:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:48:48,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-02 12:48:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-02 12:48:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:48:48,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 12:48:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-02 12:48:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-02 12:48:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:48:49,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 12:48:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-02 12:48:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-02 12:48:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 12:48:49,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-02 12:48:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-02 12:48:49,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 12:48:49,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:48:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-02 12:48:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-02 12:48:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 12:48:50,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 12:48:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-02 12:48:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-02 12:48:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 12:48:50,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:48:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-02 12:48:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-02 12:48:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 12:48:50,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-02 12:48:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-02 12:48:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 12:48:50,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-02 12:48:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-02 12:48:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 12:48:51,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-02 12:48:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-02 12:48:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 12:48:51,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:48:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-02 12:48:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-02 12:48:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 12:48:51,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:48:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-02 12:48:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-02 12:48:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 12:48:51,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2018-12-02 12:48:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2018-12-02 12:48:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 12:48:52,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-02 12:48:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-02 12:48:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 12:48:52,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:48:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-02 12:48:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-02 12:48:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 12:48:52,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 12:48:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-02 12:48:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-02 12:48:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 12:48:53,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:48:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 454 states and 640 transitions. [2018-12-02 12:48:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 640 transitions. [2018-12-02 12:48:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 12:48:53,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:48:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 459 states and 646 transitions. [2018-12-02 12:48:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 646 transitions. [2018-12-02 12:48:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 12:48:54,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:48:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 483 states and 678 transitions. [2018-12-02 12:48:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2018-12-02 12:48:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 12:48:55,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:48:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 486 states and 682 transitions. [2018-12-02 12:48:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 682 transitions. [2018-12-02 12:48:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 12:48:55,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:48:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 494 states and 690 transitions. [2018-12-02 12:48:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2018-12-02 12:48:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 12:48:56,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:48:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 497 states and 694 transitions. [2018-12-02 12:48:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 694 transitions. [2018-12-02 12:48:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 12:48:56,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:48:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 511 states and 713 transitions. [2018-12-02 12:48:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 713 transitions. [2018-12-02 12:48:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:57,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 529 states and 740 transitions. [2018-12-02 12:48:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 740 transitions. [2018-12-02 12:48:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:57,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 539 states and 753 transitions. [2018-12-02 12:48:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 753 transitions. [2018-12-02 12:48:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:58,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 541 states and 755 transitions. [2018-12-02 12:48:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 755 transitions. [2018-12-02 12:48:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:58,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 542 states and 758 transitions. [2018-12-02 12:48:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 758 transitions. [2018-12-02 12:48:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:58,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 550 states and 768 transitions. [2018-12-02 12:48:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 768 transitions. [2018-12-02 12:48:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:58,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 552 states and 770 transitions. [2018-12-02 12:48:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 770 transitions. [2018-12-02 12:48:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:59,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 553 states and 775 transitions. [2018-12-02 12:48:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 775 transitions. [2018-12-02 12:48:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:48:59,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:48:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 554 states and 779 transitions. [2018-12-02 12:48:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2018-12-02 12:48:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 12:48:59,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:48:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 563 states and 790 transitions. [2018-12-02 12:48:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 790 transitions. [2018-12-02 12:48:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 12:48:59,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:48:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:48:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 572 states and 801 transitions. [2018-12-02 12:48:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 801 transitions. [2018-12-02 12:48:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 12:48:59,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:48:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:48:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 575 states and 806 transitions. [2018-12-02 12:49:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 806 transitions. [2018-12-02 12:49:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 12:49:00,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2018-12-02 12:49:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2018-12-02 12:49:01,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 12:49:01,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:49:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 599 states and 835 transitions. [2018-12-02 12:49:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2018-12-02 12:49:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 12:49:01,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 624 states and 874 transitions. [2018-12-02 12:49:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 874 transitions. [2018-12-02 12:49:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:49:05,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 626 states and 877 transitions. [2018-12-02 12:49:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 877 transitions. [2018-12-02 12:49:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:49:05,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 636 states and 887 transitions. [2018-12-02 12:49:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 887 transitions. [2018-12-02 12:49:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:49:05,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 651 states and 910 transitions. [2018-12-02 12:49:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 910 transitions. [2018-12-02 12:49:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:49:06,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 658 states and 919 transitions. [2018-12-02 12:49:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 919 transitions. [2018-12-02 12:49:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 12:49:06,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 659 states and 920 transitions. [2018-12-02 12:49:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 920 transitions. [2018-12-02 12:49:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 12:49:06,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:07,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 661 states and 921 transitions. [2018-12-02 12:49:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 921 transitions. [2018-12-02 12:49:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 12:49:07,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 662 states and 923 transitions. [2018-12-02 12:49:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 923 transitions. [2018-12-02 12:49:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 12:49:07,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 664 states and 927 transitions. [2018-12-02 12:49:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 927 transitions. [2018-12-02 12:49:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 12:49:07,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 665 states and 927 transitions. [2018-12-02 12:49:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 927 transitions. [2018-12-02 12:49:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 12:49:07,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 12:49:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 676 states and 941 transitions. [2018-12-02 12:49:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 941 transitions. [2018-12-02 12:49:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 12:49:07,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 683 states and 949 transitions. [2018-12-02 12:49:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 949 transitions. [2018-12-02 12:49:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 12:49:08,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 688 states and 958 transitions. [2018-12-02 12:49:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 958 transitions. [2018-12-02 12:49:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 12:49:08,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 690 states and 960 transitions. [2018-12-02 12:49:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 960 transitions. [2018-12-02 12:49:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 12:49:08,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 735 states and 1007 transitions. [2018-12-02 12:49:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1007 transitions. [2018-12-02 12:49:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 12:49:11,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 748 states and 1029 transitions. [2018-12-02 12:49:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1029 transitions. [2018-12-02 12:49:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:12,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 752 states and 1032 transitions. [2018-12-02 12:49:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1032 transitions. [2018-12-02 12:49:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:12,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 793 states and 1092 transitions. [2018-12-02 12:49:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1092 transitions. [2018-12-02 12:49:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:16,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 820 states and 1127 transitions. [2018-12-02 12:49:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1127 transitions. [2018-12-02 12:49:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:20,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 852 states and 1160 transitions. [2018-12-02 12:49:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1160 transitions. [2018-12-02 12:49:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:22,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 853 states and 1160 transitions. [2018-12-02 12:49:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1160 transitions. [2018-12-02 12:49:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:22,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 855 states and 1161 transitions. [2018-12-02 12:49:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1161 transitions. [2018-12-02 12:49:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:22,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:23,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 856 states and 1163 transitions. [2018-12-02 12:49:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1163 transitions. [2018-12-02 12:49:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:49:23,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:49:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 921 states and 1229 transitions. [2018-12-02 12:49:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1229 transitions. [2018-12-02 12:49:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 12:49:27,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 946 states and 1262 transitions. [2018-12-02 12:49:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1262 transitions. [2018-12-02 12:49:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 12:49:28,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 961 states and 1279 transitions. [2018-12-02 12:49:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1279 transitions. [2018-12-02 12:49:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 12:49:29,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 963 states and 1281 transitions. [2018-12-02 12:49:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1281 transitions. [2018-12-02 12:49:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 12:49:30,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 12:49:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 965 states and 1284 transitions. [2018-12-02 12:49:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1284 transitions. [2018-12-02 12:49:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 12:49:30,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 972 states and 1294 transitions. [2018-12-02 12:49:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2018-12-02 12:49:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 12:49:30,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 976 states and 1297 transitions. [2018-12-02 12:49:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1297 transitions. [2018-12-02 12:49:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 12:49:31,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 980 states and 1304 transitions. [2018-12-02 12:49:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1304 transitions. [2018-12-02 12:49:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 12:49:31,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 982 states and 1305 transitions. [2018-12-02 12:49:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1305 transitions. [2018-12-02 12:49:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:31,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1038 states and 1371 transitions. [2018-12-02 12:49:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1371 transitions. [2018-12-02 12:49:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:35,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1068 states and 1403 transitions. [2018-12-02 12:49:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1403 transitions. [2018-12-02 12:49:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:37,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1069 states and 1403 transitions. [2018-12-02 12:49:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1403 transitions. [2018-12-02 12:49:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:38,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1071 states and 1405 transitions. [2018-12-02 12:49:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1405 transitions. [2018-12-02 12:49:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:38,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1099 states and 1445 transitions. [2018-12-02 12:49:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1445 transitions. [2018-12-02 12:49:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:41,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1124 states and 1470 transitions. [2018-12-02 12:49:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1470 transitions. [2018-12-02 12:49:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:49:42,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1145 states and 1489 transitions. [2018-12-02 12:49:42,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1489 transitions. [2018-12-02 12:49:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 12:49:42,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:49:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1150 states and 1496 transitions. [2018-12-02 12:49:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1496 transitions. [2018-12-02 12:49:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 12:49:43,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:49:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1203 states and 1553 transitions. [2018-12-02 12:49:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1553 transitions. [2018-12-02 12:49:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 12:49:45,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:49:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1217 states and 1565 transitions. [2018-12-02 12:49:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1565 transitions. [2018-12-02 12:49:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 12:49:45,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:49:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1219 states and 1566 transitions. [2018-12-02 12:49:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1566 transitions. [2018-12-02 12:49:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 12:49:46,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1231 states and 1582 transitions. [2018-12-02 12:49:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1582 transitions. [2018-12-02 12:49:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 12:49:47,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1253 states and 1607 transitions. [2018-12-02 12:49:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1607 transitions. [2018-12-02 12:49:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 12:49:48,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 12:49:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1259 states and 1611 transitions. [2018-12-02 12:49:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1611 transitions. [2018-12-02 12:49:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 12:49:48,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 12:49:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1273 states and 1629 transitions. [2018-12-02 12:49:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1629 transitions. [2018-12-02 12:49:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 12:49:49,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:49:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1282 states and 1638 transitions. [2018-12-02 12:49:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1638 transitions. [2018-12-02 12:49:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 12:49:50,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1302 states and 1664 transitions. [2018-12-02 12:49:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1664 transitions. [2018-12-02 12:49:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 12:49:54,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:49:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1313 states and 1676 transitions. [2018-12-02 12:49:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1676 transitions. [2018-12-02 12:49:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 12:49:54,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:49:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1325 states and 1697 transitions. [2018-12-02 12:49:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1697 transitions. [2018-12-02 12:49:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 12:49:55,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:49:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1331 states and 1707 transitions. [2018-12-02 12:49:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1707 transitions. [2018-12-02 12:49:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 12:49:56,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:49:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:56,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1334 states and 1709 transitions. [2018-12-02 12:49:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1709 transitions. [2018-12-02 12:49:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 12:49:56,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1348 states and 1732 transitions. [2018-12-02 12:49:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1732 transitions. [2018-12-02 12:49:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 12:49:56,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1358 states and 1741 transitions. [2018-12-02 12:49:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1741 transitions. [2018-12-02 12:49:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 12:49:57,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 12:49:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1362 states and 1747 transitions. [2018-12-02 12:49:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1747 transitions. [2018-12-02 12:49:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 12:49:58,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 12:49:58,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1368 states and 1755 transitions. [2018-12-02 12:49:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1755 transitions. [2018-12-02 12:49:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 12:49:58,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 12:49:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1377 states and 1764 transitions. [2018-12-02 12:49:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1764 transitions. [2018-12-02 12:49:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 12:49:59,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:49:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:49:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1388 states and 1775 transitions. [2018-12-02 12:49:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1775 transitions. [2018-12-02 12:49:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 12:49:59,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:49:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:49:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1430 states and 1835 transitions. [2018-12-02 12:50:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1835 transitions. [2018-12-02 12:50:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 12:50:04,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1434 states and 1844 transitions. [2018-12-02 12:50:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1844 transitions. [2018-12-02 12:50:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 12:50:05,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 12:50:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1442 states and 1851 transitions. [2018-12-02 12:50:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1851 transitions. [2018-12-02 12:50:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 12:50:05,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 12:50:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1443 states and 1852 transitions. [2018-12-02 12:50:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1852 transitions. [2018-12-02 12:50:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 12:50:05,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 12:50:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1447 states and 1856 transitions. [2018-12-02 12:50:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1856 transitions. [2018-12-02 12:50:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 12:50:06,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 12:50:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1451 states and 1859 transitions. [2018-12-02 12:50:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1859 transitions. [2018-12-02 12:50:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 12:50:06,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:50:10,550 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 12:50:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:13,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1503 states and 1913 transitions. [2018-12-02 12:50:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1913 transitions. [2018-12-02 12:50:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 12:50:13,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 12:50:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1514 states and 1924 transitions. [2018-12-02 12:50:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1924 transitions. [2018-12-02 12:50:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 12:50:14,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 12:50:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1515 states and 1925 transitions. [2018-12-02 12:50:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1925 transitions. [2018-12-02 12:50:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:50:14,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:50:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1520 states and 1932 transitions. [2018-12-02 12:50:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1932 transitions. [2018-12-02 12:50:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:50:15,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:50:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1541 states and 1956 transitions. [2018-12-02 12:50:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1956 transitions. [2018-12-02 12:50:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:50:16,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:50:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1551 states and 1965 transitions. [2018-12-02 12:50:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1965 transitions. [2018-12-02 12:50:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:50:17,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 12:50:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1566 states and 1979 transitions. [2018-12-02 12:50:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1979 transitions. [2018-12-02 12:50:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:50:17,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 12:50:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1576 states and 1989 transitions. [2018-12-02 12:50:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1989 transitions. [2018-12-02 12:50:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 12:50:19,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 12:50:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1586 states and 2001 transitions. [2018-12-02 12:50:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2001 transitions. [2018-12-02 12:50:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 12:50:19,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 12:50:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1591 states and 2006 transitions. [2018-12-02 12:50:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2006 transitions. [2018-12-02 12:50:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 12:50:20,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 12:50:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1628 states and 2045 transitions. [2018-12-02 12:50:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2045 transitions. [2018-12-02 12:50:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 12:50:21,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:50:26,829 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 12:50:29,727 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-02 12:50:32,684 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-02 12:50:34,031 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 12:50:37,611 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 12:50:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1691 states and 2117 transitions. [2018-12-02 12:50:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2117 transitions. [2018-12-02 12:50:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 12:50:39,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:50:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1719 states and 2145 transitions. [2018-12-02 12:50:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2145 transitions. [2018-12-02 12:50:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 12:50:41,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:50:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1734 states and 2159 transitions. [2018-12-02 12:50:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2159 transitions. [2018-12-02 12:50:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 12:50:42,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 12:50:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1738 states and 2164 transitions. [2018-12-02 12:50:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2164 transitions. [2018-12-02 12:50:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-02 12:50:43,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 12:50:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1741 states and 2167 transitions. [2018-12-02 12:50:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2167 transitions. [2018-12-02 12:50:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 12:50:43,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1752 states and 2178 transitions. [2018-12-02 12:50:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2178 transitions. [2018-12-02 12:50:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 12:50:43,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1765 states and 2193 transitions. [2018-12-02 12:50:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2193 transitions. [2018-12-02 12:50:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 12:50:44,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1780 states and 2209 transitions. [2018-12-02 12:50:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2209 transitions. [2018-12-02 12:50:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 12:50:46,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1791 states and 2220 transitions. [2018-12-02 12:50:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2220 transitions. [2018-12-02 12:50:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 12:50:47,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 12:50:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1792 states and 2220 transitions. [2018-12-02 12:50:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2220 transitions. [2018-12-02 12:50:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 12:50:47,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 12:50:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1814 states and 2245 transitions. [2018-12-02 12:50:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2245 transitions. [2018-12-02 12:50:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 12:50:52,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 12:50:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1819 states and 2254 transitions. [2018-12-02 12:50:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2254 transitions. [2018-12-02 12:50:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 12:50:52,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 12:50:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1830 states and 2267 transitions. [2018-12-02 12:50:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2267 transitions. [2018-12-02 12:50:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 12:50:52,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 12:50:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1838 states and 2273 transitions. [2018-12-02 12:50:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2273 transitions. [2018-12-02 12:50:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 12:50:52,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 12:50:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1846 states and 2280 transitions. [2018-12-02 12:50:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2280 transitions. [2018-12-02 12:50:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 12:50:54,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 12:50:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 1847 states and 2280 transitions. [2018-12-02 12:50:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2280 transitions. [2018-12-02 12:50:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 12:50:54,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-02 12:50:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1852 states and 2285 transitions. [2018-12-02 12:50:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2285 transitions. [2018-12-02 12:50:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 12:50:56,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 12:50:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1878 states and 2320 transitions. [2018-12-02 12:50:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2320 transitions. [2018-12-02 12:50:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 12:50:57,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 12:50:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1889 states and 2330 transitions. [2018-12-02 12:50:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2330 transitions. [2018-12-02 12:50:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 12:50:58,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 12:50:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 1890 states and 2330 transitions. [2018-12-02 12:50:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2330 transitions. [2018-12-02 12:50:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 12:50:59,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-02 12:50:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:50:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1894 states and 2335 transitions. [2018-12-02 12:50:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2335 transitions. [2018-12-02 12:50:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 12:50:59,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:50:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:50:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 12:51:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 1922 states and 2366 transitions. [2018-12-02 12:51:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2366 transitions. [2018-12-02 12:51:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 12:51:01,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-02 12:51:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1927 states and 2372 transitions. [2018-12-02 12:51:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2372 transitions. [2018-12-02 12:51:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 12:51:01,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 12:51:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2000 states and 2456 transitions. [2018-12-02 12:51:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2456 transitions. [2018-12-02 12:51:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 12:51:05,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 12:51:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2010 states and 2464 transitions. [2018-12-02 12:51:06,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2464 transitions. [2018-12-02 12:51:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 12:51:06,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-02 12:51:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2014 states and 2469 transitions. [2018-12-02 12:51:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2469 transitions. [2018-12-02 12:51:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 12:51:06,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 12:51:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2040 states and 2505 transitions. [2018-12-02 12:51:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2505 transitions. [2018-12-02 12:51:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 12:51:09,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 12:51:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2115 states and 2591 transitions. [2018-12-02 12:51:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2591 transitions. [2018-12-02 12:51:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 12:51:13,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 12:51:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2116 states and 2591 transitions. [2018-12-02 12:51:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2591 transitions. [2018-12-02 12:51:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 12:51:13,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 12:51:17,429 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2018-12-02 12:51:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2134 states and 2619 transitions. [2018-12-02 12:51:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2619 transitions. [2018-12-02 12:51:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 12:51:21,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 12:51:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2143 states and 2629 transitions. [2018-12-02 12:51:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2629 transitions. [2018-12-02 12:51:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 12:51:23,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 12:51:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2149 states and 2633 transitions. [2018-12-02 12:51:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2633 transitions. [2018-12-02 12:51:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 12:51:24,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 440 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-12-02 12:51:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2153 states and 2639 transitions. [2018-12-02 12:51:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2639 transitions. [2018-12-02 12:51:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-02 12:51:26,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 393 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-02 12:51:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2172 states and 2667 transitions. [2018-12-02 12:51:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2667 transitions. [2018-12-02 12:51:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 12:51:29,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 12:51:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2198 states and 2698 transitions. [2018-12-02 12:51:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2698 transitions. [2018-12-02 12:51:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 12:51:30,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 12:51:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2202 states and 2702 transitions. [2018-12-02 12:51:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2702 transitions. [2018-12-02 12:51:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 12:51:30,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 12:51:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2206 states and 2706 transitions. [2018-12-02 12:51:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2706 transitions. [2018-12-02 12:51:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 12:51:31,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-02 12:51:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2210 states and 2711 transitions. [2018-12-02 12:51:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2711 transitions. [2018-12-02 12:51:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 12:51:32,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 12:51:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2221 states and 2723 transitions. [2018-12-02 12:51:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2723 transitions. [2018-12-02 12:51:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 12:51:32,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 12:51:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2226 states and 2728 transitions. [2018-12-02 12:51:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2728 transitions. [2018-12-02 12:51:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 12:51:33,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-02 12:51:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2230 states and 2731 transitions. [2018-12-02 12:51:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2731 transitions. [2018-12-02 12:51:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 12:51:33,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 12:51:40,279 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 12:51:41,707 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-02 12:51:47,547 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 12:51:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2259 states and 2768 transitions. [2018-12-02 12:51:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2768 transitions. [2018-12-02 12:51:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 12:51:48,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 12:51:51,477 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 12:51:53,392 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 12:51:55,310 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-02 12:51:56,807 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 12:51:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:51:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2290 states and 2798 transitions. [2018-12-02 12:51:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2798 transitions. [2018-12-02 12:51:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 12:51:56,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:51:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:51:59,208 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 12:52:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 12:52:05,290 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-12-02 12:52:08,680 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 12:52:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2314 states and 2826 transitions. [2018-12-02 12:52:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2826 transitions. [2018-12-02 12:52:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-02 12:52:11,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 12:52:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2325 states and 2837 transitions. [2018-12-02 12:52:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2837 transitions. [2018-12-02 12:52:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 12:52:12,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 12:52:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2340 states and 2854 transitions. [2018-12-02 12:52:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2854 transitions. [2018-12-02 12:52:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 12:52:19,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-02 12:52:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2344 states and 2864 transitions. [2018-12-02 12:52:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2864 transitions. [2018-12-02 12:52:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 12:52:19,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 12:52:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2370 states and 2890 transitions. [2018-12-02 12:52:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2890 transitions. [2018-12-02 12:52:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 12:52:21,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 12:52:25,536 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 12:52:26,168 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2018-12-02 12:52:27,850 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 12:52:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2379 states and 2898 transitions. [2018-12-02 12:52:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2898 transitions. [2018-12-02 12:52:29,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 12:52:29,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 12:52:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2380 states and 2898 transitions. [2018-12-02 12:52:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2898 transitions. [2018-12-02 12:52:29,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 12:52:29,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 12:52:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2381 states and 2898 transitions. [2018-12-02 12:52:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2898 transitions. [2018-12-02 12:52:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-02 12:52:30,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 12:52:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2391 states and 2905 transitions. [2018-12-02 12:52:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 2905 transitions. [2018-12-02 12:52:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-02 12:52:30,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-02 12:52:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2397 states and 2917 transitions. [2018-12-02 12:52:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2917 transitions. [2018-12-02 12:52:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-02 12:52:34,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 12:52:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2427 states and 2952 transitions. [2018-12-02 12:52:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2952 transitions. [2018-12-02 12:52:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 12:52:42,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 12:52:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2442 states and 2966 transitions. [2018-12-02 12:52:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2966 transitions. [2018-12-02 12:52:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 12:52:43,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 12:52:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2450 states and 2976 transitions. [2018-12-02 12:52:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2976 transitions. [2018-12-02 12:52:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 12:52:44,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 12:52:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2484 states and 3020 transitions. [2018-12-02 12:52:47,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3020 transitions. [2018-12-02 12:52:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 12:52:47,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 12:52:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2504 states and 3047 transitions. [2018-12-02 12:52:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3047 transitions. [2018-12-02 12:52:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 12:52:53,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 12:52:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 2515 states and 3056 transitions. [2018-12-02 12:52:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3056 transitions. [2018-12-02 12:52:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 12:52:54,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 12:52:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2534 states and 3074 transitions. [2018-12-02 12:52:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3074 transitions. [2018-12-02 12:52:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-02 12:52:56,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-02 12:52:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2535 states and 3074 transitions. [2018-12-02 12:52:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3074 transitions. [2018-12-02 12:52:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-02 12:52:57,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 12:52:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:52:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2541 states and 3080 transitions. [2018-12-02 12:52:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 3080 transitions. [2018-12-02 12:52:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 12:52:58,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:52:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:52:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 12:53:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 2578 states and 3128 transitions. [2018-12-02 12:53:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3128 transitions. [2018-12-02 12:53:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 12:53:02,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 12:53:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2586 states and 3135 transitions. [2018-12-02 12:53:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3135 transitions. [2018-12-02 12:53:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 12:53:03,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 12:53:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2590 states and 3138 transitions. [2018-12-02 12:53:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3138 transitions. [2018-12-02 12:53:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 12:53:04,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 12:53:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 2602 states and 3150 transitions. [2018-12-02 12:53:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3150 transitions. [2018-12-02 12:53:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 12:53:05,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 12:53:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 2603 states and 3150 transitions. [2018-12-02 12:53:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3150 transitions. [2018-12-02 12:53:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 12:53:06,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-02 12:53:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 2630 states and 3186 transitions. [2018-12-02 12:53:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3186 transitions. [2018-12-02 12:53:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 12:53:11,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 12:53:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2647 states and 3203 transitions. [2018-12-02 12:53:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3203 transitions. [2018-12-02 12:53:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 12:53:13,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 12:53:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 2672 states and 3229 transitions. [2018-12-02 12:53:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3229 transitions. [2018-12-02 12:53:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-02 12:53:13,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 12:53:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 2676 states and 3233 transitions. [2018-12-02 12:53:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3233 transitions. [2018-12-02 12:53:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-02 12:53:14,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-02 12:53:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2717 states and 3274 transitions. [2018-12-02 12:53:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3274 transitions. [2018-12-02 12:53:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-02 12:53:16,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-02 12:53:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 2779 states and 3347 transitions. [2018-12-02 12:53:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3347 transitions. [2018-12-02 12:53:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-02 12:53:32,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-02 12:53:34,931 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 12:53:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 2784 states and 3352 transitions. [2018-12-02 12:53:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3352 transitions. [2018-12-02 12:53:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 12:53:36,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 12:53:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 2789 states and 3356 transitions. [2018-12-02 12:53:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3356 transitions. [2018-12-02 12:53:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-02 12:53:37,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 12:53:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2805 states and 3372 transitions. [2018-12-02 12:53:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3372 transitions. [2018-12-02 12:53:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-12-02 12:53:40,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2018-12-02 12:53:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:53:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 2819 states and 3387 transitions. [2018-12-02 12:53:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3387 transitions. [2018-12-02 12:53:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-02 12:53:42,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:53:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:53:49,911 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-02 12:53:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 12:54:02,831 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2018-12-02 12:54:17,014 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 12:54:22,384 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 12:54:27,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:54:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2796 states and 3393 transitions. [2018-12-02 12:54:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3393 transitions. [2018-12-02 12:54:27,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:54:27,540 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 204 iterations. [2018-12-02 12:54:27,550 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 12:54:27,667 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-02 12:54:27,948 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2018-12-02 12:54:28,051 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-02 12:54:28,205 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-02 12:54:28,349 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 33 [2018-12-02 12:54:28,491 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 24 [2018-12-02 12:54:28,679 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-12-02 12:54:28,853 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 36 [2018-12-02 12:54:29,055 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2018-12-02 12:54:29,161 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-12-02 12:54:29,358 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2018-12-02 12:54:29,589 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 36 [2018-12-02 12:54:29,772 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 36 [2018-12-02 12:54:29,919 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 9 [2018-12-02 12:54:30,034 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 31 [2018-12-02 12:54:30,269 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 36 [2018-12-02 12:54:30,526 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-02 12:54:30,638 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-02 12:54:30,811 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2018-12-02 12:54:31,104 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-02 12:54:31,737 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2018-12-02 12:54:31,930 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2018-12-02 12:54:32,066 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-12-02 12:54:32,171 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-02 12:54:32,397 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 29 [2018-12-02 12:54:32,548 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 24 [2018-12-02 12:54:32,842 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-02 12:54:32,988 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-02 12:54:33,188 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 36 [2018-12-02 12:54:33,471 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 54 [2018-12-02 12:54:33,638 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-02 12:54:33,928 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 34 [2018-12-02 12:54:34,222 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-02 12:54:34,382 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-02 12:54:34,685 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2018-12-02 12:54:34,686 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:54:34,688 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 12:54:34,692 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 12:54:34,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:54:34 ImpRootNode [2018-12-02 12:54:34,693 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 12:54:34,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:54:34,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:54:34,693 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:54:34,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:45" (3/4) ... [2018-12-02 12:54:34,696 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:54:34,706 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-02 12:54:34,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 12:54:34,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 12:54:34,764 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ccc55b40-e2dc-4b0e-88d6-6cee7baeca19/bin-2019/ukojak/witness.graphml [2018-12-02 12:54:34,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:54:34,765 INFO L168 Benchmark]: Toolchain (without parser) took 351138.08 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 950.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 809.1 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: RCFGBuilder took 1037.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.9 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: CodeCheck took 349663.17 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 2.0 GB). Free memory was 886.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,766 INFO L168 Benchmark]: Witness Printer took 71.84 ms. Allocated memory is still 3.1 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-12-02 12:54:34,767 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, 198 locations, 1 error locations. SAFE Result, 342.4s OverallTime, 204 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 218239632 SDtfs, -800266138 SDslu, 1309437796 SDs, 0 SdLazy, -2116501462 SolverSat, 1796427388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 869.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253472 GetRequests, 248289 SyntacticMatches, 3075 SemanticMatches, 2108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3107637 ImplicationChecksByTransitivity, 314.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 31.2s InterpolantComputationTime, 37862 NumberOfCodeBlocks, 37862 NumberOfCodeBlocksAsserted, 203 NumberOfCheckSat, 37659 ConstructedInterpolants, 0 QuantifiedInterpolants, 29044806 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 203 InterpolantComputations, 178 PerfectInterpolantSequences, 46467/47935 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: 491]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1037.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.9 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. * CodeCheck took 349663.17 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 2.0 GB). Free memory was 886.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 71.84 ms. Allocated memory is still 3.1 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...