./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/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 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:48:06,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:48:06,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:48:06,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:48:06,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:48:06,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:48:06,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:48:06,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:48:06,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:48:06,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:48:06,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:48:06,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:48:06,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:48:06,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:48:06,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:48:06,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:48:06,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:48:06,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:48:06,726 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:48:06,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:48:06,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:48:06,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:48:06,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:48:06,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:48:06,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:48:06,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:48:06,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:48:06,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:48:06,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:48:06,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:48:06,733 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:48:06,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:48:06,734 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:48:06,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:48:06,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:48:06,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:48:06,735 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:48:06,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:48:06,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:48:06,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:48:06,745 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:48:06,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:48:06,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:48:06,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:48:06,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:48:06,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:48:06,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:48:06,747 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:48:06,747 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:48:06,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:48:06,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:48:06,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:48:06,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:48:06,747 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:48:06,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:48:06,748 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:48:06,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:48:06,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:48:06,748 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_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/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 -> 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 [2018-11-10 01:48:06,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:48:06,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:48:06,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:48:06,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:48:06,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:48:06,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-10 01:48:06,822 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/data/b9992e35f/53bed7b3488b49448bdc5cda21984b0d/FLAGeb0c809fe [2018-11-10 01:48:07,261 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:48:07,261 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-10 01:48:07,270 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/data/b9992e35f/53bed7b3488b49448bdc5cda21984b0d/FLAGeb0c809fe [2018-11-10 01:48:07,282 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/data/b9992e35f/53bed7b3488b49448bdc5cda21984b0d [2018-11-10 01:48:07,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:48:07,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:48:07,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:48:07,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:48:07,290 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:48:07,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07, skipping insertion in model container [2018-11-10 01:48:07,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:48:07,329 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:48:07,560 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:48:07,563 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:48:07,632 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:48:07,645 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:48:07,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07 WrapperNode [2018-11-10 01:48:07,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:48:07,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:48:07,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:48:07,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:48:07,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:48:07,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:48:07,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:48:07,755 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:48:07,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... [2018-11-10 01:48:07,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:48:07,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:48:07,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:48:07,802 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:48:07,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:48:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:48:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 01:48:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:48:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:48:09,115 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:48:09,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:48:09 BoogieIcfgContainer [2018-11-10 01:48:09,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:48:09,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:48:09,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:48:09,123 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:48:09,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:48:09" (1/1) ... [2018-11-10 01:48:09,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:48:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 01:48:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 01:48:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 01:48:09,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-11-10 01:48:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-11-10 01:48:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 01:48:09,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-11-10 01:48:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-11-10 01:48:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 01:48:10,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-11-10 01:48:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-10 01:48:10,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 01:48:10,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-11-10 01:48:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-11-10 01:48:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 01:48:10,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-11-10 01:48:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-10 01:48:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 01:48:10,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 01:48:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-11-10 01:48:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-11-10 01:48:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 01:48:10,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-11-10 01:48:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-11-10 01:48:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 01:48:11,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-11-10 01:48:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-11-10 01:48:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 01:48:11,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-11-10 01:48:11,985 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-11-10 01:48:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 01:48:11,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-11-10 01:48:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-11-10 01:48:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 01:48:12,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-11-10 01:48:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-11-10 01:48:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 01:48:13,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-11-10 01:48:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-11-10 01:48:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 01:48:13,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-11-10 01:48:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-11-10 01:48:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 01:48:13,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-11-10 01:48:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-11-10 01:48:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 01:48:14,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-11-10 01:48:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-11-10 01:48:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 01:48:14,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:48:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-11-10 01:48:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-11-10 01:48:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 01:48:14,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:48:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-11-10 01:48:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-11-10 01:48:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 01:48:15,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-11-10 01:48:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-11-10 01:48:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 01:48:15,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-11-10 01:48:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-11-10 01:48:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 01:48:15,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-11-10 01:48:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-11-10 01:48:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 01:48:15,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-11-10 01:48:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-11-10 01:48:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 01:48:16,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-11-10 01:48:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-11-10 01:48:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 01:48:16,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-11-10 01:48:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-11-10 01:48:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 01:48:17,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-11-10 01:48:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-11-10 01:48:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 01:48:17,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 518 transitions. [2018-11-10 01:48:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 518 transitions. [2018-11-10 01:48:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 01:48:17,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-11-10 01:48:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-11-10 01:48:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 01:48:17,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-11-10 01:48:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-11-10 01:48:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 01:48:18,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-11-10 01:48:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-11-10 01:48:18,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 01:48:18,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 438 states and 632 transitions. [2018-11-10 01:48:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 632 transitions. [2018-11-10 01:48:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 01:48:19,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 481 states and 686 transitions. [2018-11-10 01:48:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 686 transitions. [2018-11-10 01:48:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 01:48:20,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 512 states and 722 transitions. [2018-11-10 01:48:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 722 transitions. [2018-11-10 01:48:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 01:48:20,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 526 states and 741 transitions. [2018-11-10 01:48:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 741 transitions. [2018-11-10 01:48:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 01:48:21,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 545 states and 760 transitions. [2018-11-10 01:48:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 760 transitions. [2018-11-10 01:48:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 01:48:21,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 559 states and 774 transitions. [2018-11-10 01:48:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 774 transitions. [2018-11-10 01:48:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 01:48:22,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 584 states and 823 transitions. [2018-11-10 01:48:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 823 transitions. [2018-11-10 01:48:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 01:48:23,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 603 states and 856 transitions. [2018-11-10 01:48:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 856 transitions. [2018-11-10 01:48:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 01:48:24,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 617 states and 873 transitions. [2018-11-10 01:48:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 873 transitions. [2018-11-10 01:48:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 01:48:24,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 624 states and 883 transitions. [2018-11-10 01:48:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 883 transitions. [2018-11-10 01:48:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 01:48:25,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 653 states and 918 transitions. [2018-11-10 01:48:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 918 transitions. [2018-11-10 01:48:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:48:25,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 658 states and 929 transitions. [2018-11-10 01:48:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 929 transitions. [2018-11-10 01:48:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:48:26,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 665 states and 938 transitions. [2018-11-10 01:48:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 938 transitions. [2018-11-10 01:48:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:48:27,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 678 states and 951 transitions. [2018-11-10 01:48:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 951 transitions. [2018-11-10 01:48:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:48:27,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 686 states and 957 transitions. [2018-11-10 01:48:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 957 transitions. [2018-11-10 01:48:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:48:28,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 727 states and 1007 transitions. [2018-11-10 01:48:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1007 transitions. [2018-11-10 01:48:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:48:29,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 747 states and 1034 transitions. [2018-11-10 01:48:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1034 transitions. [2018-11-10 01:48:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:48:30,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 748 states and 1038 transitions. [2018-11-10 01:48:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1038 transitions. [2018-11-10 01:48:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:30,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 763 states and 1063 transitions. [2018-11-10 01:48:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1063 transitions. [2018-11-10 01:48:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:31,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 773 states and 1073 transitions. [2018-11-10 01:48:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1073 transitions. [2018-11-10 01:48:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:31,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 778 states and 1084 transitions. [2018-11-10 01:48:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1084 transitions. [2018-11-10 01:48:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:31,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 779 states and 1087 transitions. [2018-11-10 01:48:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1087 transitions. [2018-11-10 01:48:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:32,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 780 states and 1090 transitions. [2018-11-10 01:48:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1090 transitions. [2018-11-10 01:48:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:32,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 781 states and 1094 transitions. [2018-11-10 01:48:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1094 transitions. [2018-11-10 01:48:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:32,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 782 states and 1098 transitions. [2018-11-10 01:48:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1098 transitions. [2018-11-10 01:48:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:48:32,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 01:48:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 802 states and 1120 transitions. [2018-11-10 01:48:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1120 transitions. [2018-11-10 01:48:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 01:48:34,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 836 states and 1162 transitions. [2018-11-10 01:48:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1162 transitions. [2018-11-10 01:48:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 01:48:35,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 858 states and 1189 transitions. [2018-11-10 01:48:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1189 transitions. [2018-11-10 01:48:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 01:48:35,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 860 states and 1191 transitions. [2018-11-10 01:48:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1191 transitions. [2018-11-10 01:48:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 01:48:36,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 867 states and 1201 transitions. [2018-11-10 01:48:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1201 transitions. [2018-11-10 01:48:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 01:48:36,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 906 states and 1244 transitions. [2018-11-10 01:48:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1244 transitions. [2018-11-10 01:48:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 01:48:37,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:48:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 933 states and 1272 transitions. [2018-11-10 01:48:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1272 transitions. [2018-11-10 01:48:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 01:48:38,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 963 states and 1316 transitions. [2018-11-10 01:48:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1316 transitions. [2018-11-10 01:48:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 01:48:39,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 991 states and 1347 transitions. [2018-11-10 01:48:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1347 transitions. [2018-11-10 01:48:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 01:48:39,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1010 states and 1366 transitions. [2018-11-10 01:48:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1366 transitions. [2018-11-10 01:48:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 01:48:40,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1011 states and 1369 transitions. [2018-11-10 01:48:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1369 transitions. [2018-11-10 01:48:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 01:48:40,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 01:48:40,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1017 states and 1377 transitions. [2018-11-10 01:48:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1377 transitions. [2018-11-10 01:48:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:40,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1045 states and 1412 transitions. [2018-11-10 01:48:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1412 transitions. [2018-11-10 01:48:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:41,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1075 states and 1445 transitions. [2018-11-10 01:48:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1445 transitions. [2018-11-10 01:48:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:42,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1093 states and 1464 transitions. [2018-11-10 01:48:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1464 transitions. [2018-11-10 01:48:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:42,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1094 states and 1465 transitions. [2018-11-10 01:48:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1465 transitions. [2018-11-10 01:48:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:42,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1095 states and 1466 transitions. [2018-11-10 01:48:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1466 transitions. [2018-11-10 01:48:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:43,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1112 states and 1484 transitions. [2018-11-10 01:48:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1484 transitions. [2018-11-10 01:48:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 01:48:43,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1121 states and 1493 transitions. [2018-11-10 01:48:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1493 transitions. [2018-11-10 01:48:43,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 01:48:43,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 01:48:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1122 states and 1494 transitions. [2018-11-10 01:48:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1494 transitions. [2018-11-10 01:48:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 01:48:43,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 01:48:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1128 states and 1503 transitions. [2018-11-10 01:48:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1503 transitions. [2018-11-10 01:48:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 01:48:44,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 01:48:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1137 states and 1517 transitions. [2018-11-10 01:48:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1517 transitions. [2018-11-10 01:48:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 01:48:44,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 01:48:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1144 states and 1526 transitions. [2018-11-10 01:48:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1526 transitions. [2018-11-10 01:48:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:45,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1170 states and 1567 transitions. [2018-11-10 01:48:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1567 transitions. [2018-11-10 01:48:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:48,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1185 states and 1583 transitions. [2018-11-10 01:48:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1583 transitions. [2018-11-10 01:48:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:49,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1189 states and 1587 transitions. [2018-11-10 01:48:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1587 transitions. [2018-11-10 01:48:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:49,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1192 states and 1590 transitions. [2018-11-10 01:48:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1590 transitions. [2018-11-10 01:48:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:50,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1196 states and 1593 transitions. [2018-11-10 01:48:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1593 transitions. [2018-11-10 01:48:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:50,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1204 states and 1602 transitions. [2018-11-10 01:48:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1602 transitions. [2018-11-10 01:48:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:50,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:48:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1205 states and 1602 transitions. [2018-11-10 01:48:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1602 transitions. [2018-11-10 01:48:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:48:51,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1207 states and 1605 transitions. [2018-11-10 01:48:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1605 transitions. [2018-11-10 01:48:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 01:48:51,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 01:48:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1210 states and 1609 transitions. [2018-11-10 01:48:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1609 transitions. [2018-11-10 01:48:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 01:48:52,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:48:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1244 states and 1642 transitions. [2018-11-10 01:48:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1642 transitions. [2018-11-10 01:48:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 01:48:52,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:48:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1252 states and 1649 transitions. [2018-11-10 01:48:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1649 transitions. [2018-11-10 01:48:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 01:48:53,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 01:48:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1272 states and 1678 transitions. [2018-11-10 01:48:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1678 transitions. [2018-11-10 01:48:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 01:48:54,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:48:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1278 states and 1685 transitions. [2018-11-10 01:48:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1685 transitions. [2018-11-10 01:48:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 01:48:54,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:48:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1283 states and 1690 transitions. [2018-11-10 01:48:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1690 transitions. [2018-11-10 01:48:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 01:48:54,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 01:48:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1292 states and 1699 transitions. [2018-11-10 01:48:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1699 transitions. [2018-11-10 01:48:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 01:48:55,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:48:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1312 states and 1722 transitions. [2018-11-10 01:48:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1722 transitions. [2018-11-10 01:48:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 01:48:55,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 01:48:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1322 states and 1737 transitions. [2018-11-10 01:48:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1737 transitions. [2018-11-10 01:48:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 01:48:56,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-10 01:48:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1354 states and 1770 transitions. [2018-11-10 01:48:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1770 transitions. [2018-11-10 01:48:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:48:57,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 01:48:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1359 states and 1776 transitions. [2018-11-10 01:48:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1776 transitions. [2018-11-10 01:48:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:48:57,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:57,731 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 01:48:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1363 states and 1779 transitions. [2018-11-10 01:48:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1779 transitions. [2018-11-10 01:48:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:48:57,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 01:48:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1371 states and 1786 transitions. [2018-11-10 01:48:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1786 transitions. [2018-11-10 01:48:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 01:48:58,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1410 states and 1830 transitions. [2018-11-10 01:48:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1830 transitions. [2018-11-10 01:48:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 01:48:59,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:48:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:48:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1415 states and 1835 transitions. [2018-11-10 01:48:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1835 transitions. [2018-11-10 01:48:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 01:48:59,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:48:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:48:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 01:49:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1420 states and 1842 transitions. [2018-11-10 01:49:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1842 transitions. [2018-11-10 01:49:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:49:00,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:49:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1433 states and 1858 transitions. [2018-11-10 01:49:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1858 transitions. [2018-11-10 01:49:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:49:00,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:49:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1453 states and 1877 transitions. [2018-11-10 01:49:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1877 transitions. [2018-11-10 01:49:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:49:01,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:49:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1456 states and 1879 transitions. [2018-11-10 01:49:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1879 transitions. [2018-11-10 01:49:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 01:49:01,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:49:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1536 states and 1961 transitions. [2018-11-10 01:49:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1961 transitions. [2018-11-10 01:49:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 01:49:02,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 01:49:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1591 states and 2020 transitions. [2018-11-10 01:49:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2020 transitions. [2018-11-10 01:49:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 01:49:06,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 01:49:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1596 states and 2025 transitions. [2018-11-10 01:49:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2025 transitions. [2018-11-10 01:49:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 01:49:07,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 01:49:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1601 states and 2030 transitions. [2018-11-10 01:49:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2030 transitions. [2018-11-10 01:49:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 01:49:07,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 01:49:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1606 states and 2035 transitions. [2018-11-10 01:49:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2035 transitions. [2018-11-10 01:49:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 01:49:08,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-10 01:49:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1607 states and 2035 transitions. [2018-11-10 01:49:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2035 transitions. [2018-11-10 01:49:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-10 01:49:08,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-10 01:49:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1534 states and 1954 transitions. [2018-11-10 01:49:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1954 transitions. [2018-11-10 01:49:08,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:49:08,563 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 111 iterations. [2018-11-10 01:49:08,571 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 01:49:08,818 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2018-11-10 01:49:09,147 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2018-11-10 01:49:09,270 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 40 [2018-11-10 01:49:09,609 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2018-11-10 01:49:09,739 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2018-11-10 01:49:09,974 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2018-11-10 01:49:11,230 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 12 [2018-11-10 01:49:11,352 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2018-11-10 01:49:11,650 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2018-11-10 01:49:11,866 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:49:11,869 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 01:49:11,874 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 01:49:11,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:49:11 ImpRootNode [2018-11-10 01:49:11,875 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:49:11,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:49:11,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:49:11,875 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:49:11,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:48:09" (3/4) ... [2018-11-10 01:49:11,879 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:49:11,892 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 01:49:11,893 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 01:49:11,894 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 01:49:11,895 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 01:49:11,984 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b104c9d9-4094-4eda-83d9-2c3db35c2ca7/bin-2019/ukojak/witness.graphml [2018-11-10 01:49:11,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:49:11,985 INFO L168 Benchmark]: Toolchain (without parser) took 64699.31 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 951.1 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 446.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,985 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:49:11,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -229.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,987 INFO L168 Benchmark]: Boogie Preprocessor took 47.06 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,987 INFO L168 Benchmark]: RCFGBuilder took 1313.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.3 MB in the end (delta: 226.4 MB). Peak memory consumption was 226.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,989 INFO L168 Benchmark]: CodeCheck took 62758.88 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 914.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,989 INFO L168 Benchmark]: Witness Printer took 109.01 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:49:11,991 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, 199 locations, 1 error locations. SAFE Result, 59.4s OverallTime, 111 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30568944 SDtfs, 1070440308 SDslu, 311660288 SDs, 0 SdLazy, -1298513052 SolverSat, -1077488848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 258.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107500 GetRequests, 105575 SyntacticMatches, 901 SemanticMatches, 1024 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635912 ImplicationChecksByTransitivity, 48.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 14964 NumberOfCodeBlocks, 14964 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 14854 ConstructedInterpolants, 0 QuantifiedInterpolants, 5911866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 110 InterpolantComputations, 98 PerfectInterpolantSequences, 9635/9729 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: 545]: 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: (!(a16 == 6) || !(a7 == 1)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a16 == 6) || !(a7 == 1)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -229.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.06 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1313.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.3 MB in the end (delta: 226.4 MB). Peak memory consumption was 226.4 MB. Max. memory is 11.5 GB. * CodeCheck took 62758.88 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 914.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 109.01 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...