./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/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 d643ba28d95f16d18742963f1ebc32166d4daeb8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:51:28,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:51:28,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:51:28,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:51:28,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:51:28,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:51:28,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:51:28,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:51:28,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:51:28,911 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:51:28,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:51:28,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:51:28,912 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:51:28,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:51:28,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:51:28,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:51:28,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:51:28,915 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:51:28,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:51:28,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:51:28,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:51:28,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:51:28,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:51:28,919 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:51:28,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:51:28,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:51:28,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:51:28,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:51:28,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:51:28,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:51:28,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:51:28,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:51:28,922 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:51:28,922 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:51:28,923 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:51:28,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:51:28,923 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 11:51:28,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:51:28,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:51:28,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:51:28,932 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:51:28,932 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:51:28,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:51:28,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:51:28,934 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:51:28,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:51:28,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:51:28,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:51:28,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:51:28,935 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_33d8ae11-f08a-41e9-8fd8-1258136b4d03/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 -> d643ba28d95f16d18742963f1ebc32166d4daeb8 [2018-12-09 11:51:28,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:51:28,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:51:28,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:51:28,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:51:28,963 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:51:28,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-12-09 11:51:28,997 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/data/5439ae50d/f1f976cec45a4bedb98fe6ebef9094dd/FLAG913f6ab79 [2018-12-09 11:51:29,375 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:51:29,375 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-12-09 11:51:29,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/data/5439ae50d/f1f976cec45a4bedb98fe6ebef9094dd/FLAG913f6ab79 [2018-12-09 11:51:29,741 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/data/5439ae50d/f1f976cec45a4bedb98fe6ebef9094dd [2018-12-09 11:51:29,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:51:29,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:51:29,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:51:29,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:51:29,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:51:29,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:51:29" (1/1) ... [2018-12-09 11:51:29,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:29, skipping insertion in model container [2018-12-09 11:51:29,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:51:29" (1/1) ... [2018-12-09 11:51:29,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:51:29,796 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:51:29,974 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:51:29,977 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:51:30,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:51:30,076 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:51:30,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30 WrapperNode [2018-12-09 11:51:30,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:51:30,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:51:30,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:51:30,077 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:51:30,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:51:30,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:51:30,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:51:30,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:51:30,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... [2018-12-09 11:51:30,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:51:30,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:51:30,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:51:30,149 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:51:30,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:51:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/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 [2018-12-09 11:51:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:51:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:51:31,135 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:51:31,135 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 11:51:31,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:51:31 BoogieIcfgContainer [2018-12-09 11:51:31,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:51:31,136 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:51:31,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:51:31,146 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:51:31,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:51:31" (1/1) ... [2018-12-09 11:51:31,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:51:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 11:51:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 11:51:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 11:51:31,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-12-09 11:51:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-12-09 11:51:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 11:51:31,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2018-12-09 11:51:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2018-12-09 11:51:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 11:51:31,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2018-12-09 11:51:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2018-12-09 11:51:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 11:51:32,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2018-12-09 11:51:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2018-12-09 11:51:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 11:51:32,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-09 11:51:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-09 11:51:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 11:51:32,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 11:51:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2018-12-09 11:51:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2018-12-09 11:51:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 11:51:32,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2018-12-09 11:51:32,954 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2018-12-09 11:51:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 11:51:32,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2018-12-09 11:51:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2018-12-09 11:51:33,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 11:51:33,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2018-12-09 11:51:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2018-12-09 11:51:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 11:51:33,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2018-12-09 11:51:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2018-12-09 11:51:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 11:51:33,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-09 11:51:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-09 11:51:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 11:51:34,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2018-12-09 11:51:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2018-12-09 11:51:34,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 11:51:34,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2018-12-09 11:51:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2018-12-09 11:51:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 11:51:34,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2018-12-09 11:51:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2018-12-09 11:51:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 11:51:35,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2018-12-09 11:51:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2018-12-09 11:51:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 11:51:35,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2018-12-09 11:51:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2018-12-09 11:51:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 11:51:35,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2018-12-09 11:51:36,178 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2018-12-09 11:51:36,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 11:51:36,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:51:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2018-12-09 11:51:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2018-12-09 11:51:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 11:51:36,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2018-12-09 11:51:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2018-12-09 11:51:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 11:51:36,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:51:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-12-09 11:51:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-12-09 11:51:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 11:51:36,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2018-12-09 11:51:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2018-12-09 11:51:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 11:51:36,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2018-12-09 11:51:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2018-12-09 11:51:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 11:51:37,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2018-12-09 11:51:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2018-12-09 11:51:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 11:51:37,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:51:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2018-12-09 11:51:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2018-12-09 11:51:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 11:51:37,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:51:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2018-12-09 11:51:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2018-12-09 11:51:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 11:51:38,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2018-12-09 11:51:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2018-12-09 11:51:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 11:51:38,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2018-12-09 11:51:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2018-12-09 11:51:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 11:51:38,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:51:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2018-12-09 11:51:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2018-12-09 11:51:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 11:51:38,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2018-12-09 11:51:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2018-12-09 11:51:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 11:51:39,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 11:51:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:40,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 461 states and 657 transitions. [2018-12-09 11:51:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 657 transitions. [2018-12-09 11:51:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-09 11:51:40,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 466 states and 671 transitions. [2018-12-09 11:51:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 671 transitions. [2018-12-09 11:51:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 11:51:40,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 489 states and 708 transitions. [2018-12-09 11:51:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 708 transitions. [2018-12-09 11:51:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 11:51:41,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 490 states and 710 transitions. [2018-12-09 11:51:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 710 transitions. [2018-12-09 11:51:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 11:51:41,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 533 states and 761 transitions. [2018-12-09 11:51:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 761 transitions. [2018-12-09 11:51:43,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 11:51:43,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:51:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 541 states and 771 transitions. [2018-12-09 11:51:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 771 transitions. [2018-12-09 11:51:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 11:51:44,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 11:51:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 547 states and 778 transitions. [2018-12-09 11:51:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 778 transitions. [2018-12-09 11:51:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 11:51:44,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 555 states and 787 transitions. [2018-12-09 11:51:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 787 transitions. [2018-12-09 11:51:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 11:51:44,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 577 states and 814 transitions. [2018-12-09 11:51:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 814 transitions. [2018-12-09 11:51:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 11:51:45,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2018-12-09 11:51:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2018-12-09 11:51:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 11:51:45,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:51:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 603 states and 846 transitions. [2018-12-09 11:51:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 846 transitions. [2018-12-09 11:51:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 11:51:46,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:51:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 613 states and 856 transitions. [2018-12-09 11:51:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 856 transitions. [2018-12-09 11:51:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 11:51:46,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:51:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 631 states and 881 transitions. [2018-12-09 11:51:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 881 transitions. [2018-12-09 11:51:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 11:51:48,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 651 states and 907 transitions. [2018-12-09 11:51:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 907 transitions. [2018-12-09 11:51:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 11:51:48,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 674 states and 941 transitions. [2018-12-09 11:51:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 941 transitions. [2018-12-09 11:51:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 11:51:49,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 707 states and 978 transitions. [2018-12-09 11:51:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 978 transitions. [2018-12-09 11:51:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 11:51:50,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 716 states and 988 transitions. [2018-12-09 11:51:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 988 transitions. [2018-12-09 11:51:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 11:51:50,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 718 states and 990 transitions. [2018-12-09 11:51:50,845 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 990 transitions. [2018-12-09 11:51:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 11:51:50,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:51:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 728 states and 1002 transitions. [2018-12-09 11:51:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1002 transitions. [2018-12-09 11:51:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 11:51:51,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:51,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 737 states and 1012 transitions. [2018-12-09 11:51:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1012 transitions. [2018-12-09 11:51:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 11:51:51,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 745 states and 1019 transitions. [2018-12-09 11:51:51,694 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1019 transitions. [2018-12-09 11:51:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 11:51:51,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:51:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 781 states and 1061 transitions. [2018-12-09 11:51:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1061 transitions. [2018-12-09 11:51:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 11:51:53,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:51:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 795 states and 1078 transitions. [2018-12-09 11:51:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1078 transitions. [2018-12-09 11:51:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 11:51:53,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:51:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 796 states and 1079 transitions. [2018-12-09 11:51:53,952 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1079 transitions. [2018-12-09 11:51:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 11:51:53,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 814 states and 1103 transitions. [2018-12-09 11:51:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1103 transitions. [2018-12-09 11:51:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 11:51:54,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 831 states and 1124 transitions. [2018-12-09 11:51:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1124 transitions. [2018-12-09 11:51:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 11:51:54,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 838 states and 1130 transitions. [2018-12-09 11:51:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1130 transitions. [2018-12-09 11:51:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 11:51:55,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:51:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 846 states and 1137 transitions. [2018-12-09 11:51:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1137 transitions. [2018-12-09 11:51:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 11:51:55,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 861 states and 1156 transitions. [2018-12-09 11:51:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1156 transitions. [2018-12-09 11:51:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 11:51:55,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:51:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 876 states and 1172 transitions. [2018-12-09 11:51:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1172 transitions. [2018-12-09 11:51:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 11:51:56,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 877 states and 1173 transitions. [2018-12-09 11:51:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1173 transitions. [2018-12-09 11:51:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 11:51:56,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:51:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 894 states and 1189 transitions. [2018-12-09 11:51:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2018-12-09 11:51:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 11:51:57,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:51:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 903 states and 1198 transitions. [2018-12-09 11:51:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1198 transitions. [2018-12-09 11:51:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 11:51:57,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:51:57,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 915 states and 1211 transitions. [2018-12-09 11:51:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1211 transitions. [2018-12-09 11:51:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 11:51:57,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:51:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 933 states and 1229 transitions. [2018-12-09 11:51:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1229 transitions. [2018-12-09 11:51:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 11:51:57,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:51:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 961 states and 1262 transitions. [2018-12-09 11:51:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1262 transitions. [2018-12-09 11:51:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 11:51:58,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:51:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:51:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:51:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 982 states and 1285 transitions. [2018-12-09 11:51:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1285 transitions. [2018-12-09 11:51:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 11:51:59,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:51:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:52:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 985 states and 1288 transitions. [2018-12-09 11:52:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1288 transitions. [2018-12-09 11:52:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 11:52:00,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:52:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 997 states and 1302 transitions. [2018-12-09 11:52:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1302 transitions. [2018-12-09 11:52:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 11:52:00,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:52:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 998 states and 1303 transitions. [2018-12-09 11:52:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1303 transitions. [2018-12-09 11:52:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 11:52:00,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:52:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1063 states and 1369 transitions. [2018-12-09 11:52:05,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1369 transitions. [2018-12-09 11:52:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 11:52:05,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 11:52:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1088 states and 1403 transitions. [2018-12-09 11:52:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1403 transitions. [2018-12-09 11:52:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 11:52:06,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:52:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1097 states and 1412 transitions. [2018-12-09 11:52:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1412 transitions. [2018-12-09 11:52:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 11:52:07,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:52:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1147 states and 1464 transitions. [2018-12-09 11:52:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1464 transitions. [2018-12-09 11:52:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 11:52:09,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:52:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1166 states and 1482 transitions. [2018-12-09 11:52:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1482 transitions. [2018-12-09 11:52:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 11:52:09,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 11:52:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1169 states and 1484 transitions. [2018-12-09 11:52:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1484 transitions. [2018-12-09 11:52:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 11:52:09,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 11:52:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1193 states and 1512 transitions. [2018-12-09 11:52:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1512 transitions. [2018-12-09 11:52:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 11:52:10,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 11:52:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1214 states and 1543 transitions. [2018-12-09 11:52:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1543 transitions. [2018-12-09 11:52:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 11:52:12,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:52:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1234 states and 1563 transitions. [2018-12-09 11:52:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1563 transitions. [2018-12-09 11:52:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 11:52:12,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 11:52:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1259 states and 1588 transitions. [2018-12-09 11:52:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1588 transitions. [2018-12-09 11:52:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 11:52:14,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 11:52:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1270 states and 1614 transitions. [2018-12-09 11:52:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1614 transitions. [2018-12-09 11:52:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 11:52:15,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 11:52:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1271 states and 1617 transitions. [2018-12-09 11:52:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1617 transitions. [2018-12-09 11:52:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 11:52:16,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-09 11:52:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1272 states and 1619 transitions. [2018-12-09 11:52:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1619 transitions. [2018-12-09 11:52:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:16,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1295 states and 1654 transitions. [2018-12-09 11:52:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1654 transitions. [2018-12-09 11:52:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:19,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1323 states and 1684 transitions. [2018-12-09 11:52:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1684 transitions. [2018-12-09 11:52:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:22,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1351 states and 1718 transitions. [2018-12-09 11:52:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1718 transitions. [2018-12-09 11:52:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:24,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1353 states and 1719 transitions. [2018-12-09 11:52:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1719 transitions. [2018-12-09 11:52:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:24,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1355 states and 1723 transitions. [2018-12-09 11:52:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1723 transitions. [2018-12-09 11:52:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:25,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:25,192 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:25,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1362 states and 1731 transitions. [2018-12-09 11:52:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1731 transitions. [2018-12-09 11:52:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:25,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1373 states and 1743 transitions. [2018-12-09 11:52:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1743 transitions. [2018-12-09 11:52:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:26,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 140 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:52:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1388 states and 1759 transitions. [2018-12-09 11:52:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1759 transitions. [2018-12-09 11:52:26,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:52:26,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 11:52:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1429 states and 1803 transitions. [2018-12-09 11:52:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1803 transitions. [2018-12-09 11:52:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 11:52:27,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 11:52:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1430 states and 1804 transitions. [2018-12-09 11:52:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1804 transitions. [2018-12-09 11:52:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 11:52:27,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:52:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1451 states and 1832 transitions. [2018-12-09 11:52:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1832 transitions. [2018-12-09 11:52:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 11:52:28,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:52:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1461 states and 1844 transitions. [2018-12-09 11:52:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1844 transitions. [2018-12-09 11:52:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 11:52:29,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:52:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1474 states and 1857 transitions. [2018-12-09 11:52:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1857 transitions. [2018-12-09 11:52:30,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 11:52:30,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:52:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1485 states and 1868 transitions. [2018-12-09 11:52:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1868 transitions. [2018-12-09 11:52:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 11:52:31,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:52:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1500 states and 1884 transitions. [2018-12-09 11:52:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1884 transitions. [2018-12-09 11:52:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 11:52:32,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:52:33,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1514 states and 1900 transitions. [2018-12-09 11:52:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1900 transitions. [2018-12-09 11:52:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 11:52:33,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:52:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1518 states and 1904 transitions. [2018-12-09 11:52:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1904 transitions. [2018-12-09 11:52:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 11:52:33,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:52:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1524 states and 1909 transitions. [2018-12-09 11:52:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1909 transitions. [2018-12-09 11:52:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 11:52:34,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 11:52:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1603 states and 1994 transitions. [2018-12-09 11:52:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1994 transitions. [2018-12-09 11:52:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 11:52:35,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:52:37,570 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 11:52:39,309 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 11:52:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1651 states and 2042 transitions. [2018-12-09 11:52:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2042 transitions. [2018-12-09 11:52:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 11:52:42,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:44,004 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 11:52:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:52:53,157 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2018-12-09 11:52:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1707 states and 2103 transitions. [2018-12-09 11:52:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2103 transitions. [2018-12-09 11:52:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 11:52:55,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:52:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1731 states and 2131 transitions. [2018-12-09 11:52:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2131 transitions. [2018-12-09 11:52:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 11:52:58,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:52:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:52:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1733 states and 2133 transitions. [2018-12-09 11:52:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2133 transitions. [2018-12-09 11:52:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 11:52:59,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:52:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:52:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:53:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1750 states and 2149 transitions. [2018-12-09 11:53:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2149 transitions. [2018-12-09 11:53:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 11:53:01,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:53:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:05,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1760 states and 2161 transitions. [2018-12-09 11:53:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2161 transitions. [2018-12-09 11:53:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 11:53:05,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 11:53:06,784 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-09 11:53:07,133 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-09 11:53:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1763 states and 2165 transitions. [2018-12-09 11:53:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2165 transitions. [2018-12-09 11:53:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 11:53:09,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 11:53:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1768 states and 2175 transitions. [2018-12-09 11:53:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2175 transitions. [2018-12-09 11:53:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 11:53:09,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 11:53:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1792 states and 2204 transitions. [2018-12-09 11:53:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2204 transitions. [2018-12-09 11:53:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 11:53:10,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 11:53:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1803 states and 2215 transitions. [2018-12-09 11:53:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2215 transitions. [2018-12-09 11:53:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 11:53:11,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 11:53:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1804 states and 2215 transitions. [2018-12-09 11:53:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2215 transitions. [2018-12-09 11:53:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 11:53:11,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:53:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:53:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 11:53:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:53:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1732 states and 2141 transitions. [2018-12-09 11:53:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2141 transitions. [2018-12-09 11:53:11,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:53:11,289 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 114 iterations. [2018-12-09 11:53:11,294 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 11:53:14,500 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 11 [2018-12-09 11:53:14,686 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2018-12-09 11:53:14,998 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 11 [2018-12-09 11:53:15,353 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 11 [2018-12-09 11:53:15,353 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:53:15,355 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 11:53:15,360 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 11:53:15,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:53:15 ImpRootNode [2018-12-09 11:53:15,361 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:53:15,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:53:15,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:53:15,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:53:15,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:51:31" (3/4) ... [2018-12-09 11:53:15,365 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:53:15,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 11:53:15,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 11:53:15,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 11:53:15,377 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:53:15,442 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33d8ae11-f08a-41e9-8fd8-1258136b4d03/bin-2019/ukojak/witness.graphml [2018-12-09 11:53:15,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:53:15,443 INFO L168 Benchmark]: Toolchain (without parser) took 105695.61 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 950.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 342.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,443 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:53:15,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,444 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,444 INFO L168 Benchmark]: RCFGBuilder took 987.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.2 MB in the end (delta: 208.7 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,444 INFO L168 Benchmark]: CodeCheck took 104224.43 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 908.2 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,445 INFO L168 Benchmark]: Witness Printer took 81.19 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:53:15,446 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, 100.1s OverallTime, 114 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4477152 SDtfs, 1805470720 SDslu, 26859072 SDs, 0 SdLazy, -545376552 SolverSat, -821017304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 268.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110807 GetRequests, 108005 SyntacticMatches, 1654 SemanticMatches, 1148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907023 ImplicationChecksByTransitivity, 88.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 15494 NumberOfCodeBlocks, 15494 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 15381 ConstructedInterpolants, 0 QuantifiedInterpolants, 11026612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 97 PerfectInterpolantSequences, 10389/10485 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: 557]: 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: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.78 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 987.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.2 MB in the end (delta: 208.7 MB). Peak memory consumption was 208.7 MB. Max. memory is 11.5 GB. * CodeCheck took 104224.43 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 908.2 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 81.19 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...