./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/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 d2268b9dd6959c9e4f82beab56974646f066475d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:49:18,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:18,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:18,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:18,101 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:18,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:18,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:18,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:18,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:18,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:18,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:18,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:18,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:18,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:18,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:18,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:18,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:18,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:18,111 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:18,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:18,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:18,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:18,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:18,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:18,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:18,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:18,117 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:18,118 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:18,119 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:18,119 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:18,120 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:18,120 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:18,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:18,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:18,121 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:18,121 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:18,122 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:49:18,132 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:18,132 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:18,133 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:49:18,133 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:49:18,133 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:49:18,133 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:49:18,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:49:18,134 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:49:18,135 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:49:18,135 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:18,135 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:49:18,136 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:49:18,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:49:18,136 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_8e55c4d8-0077-42aa-aeff-c47e5d23d686/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 -> d2268b9dd6959c9e4f82beab56974646f066475d [2018-11-18 15:49:18,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:18,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:18,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:18,174 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:18,175 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:18,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-11-18 15:49:18,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/data/f6deba057/1b06e551a65b4cf98c8e2a77225e3b82/FLAGa96bb17e9 [2018-11-18 15:49:18,689 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:18,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-11-18 15:49:18,697 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/data/f6deba057/1b06e551a65b4cf98c8e2a77225e3b82/FLAGa96bb17e9 [2018-11-18 15:49:19,193 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/data/f6deba057/1b06e551a65b4cf98c8e2a77225e3b82 [2018-11-18 15:49:19,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:19,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:19,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:19,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:19,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:19,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19, skipping insertion in model container [2018-11-18 15:49:19,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:19,244 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:19,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:19,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:19,569 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:19,582 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:19,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19 WrapperNode [2018-11-18 15:49:19,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:19,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:19,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:19,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:19,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:19,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:19,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:19,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:19,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... [2018-11-18 15:49:19,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:19,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:19,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:19,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:19,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/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 [2018-11-18 15:49:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:49:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:21,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:21,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:21 BoogieIcfgContainer [2018-11-18 15:49:21,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:21,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:49:21,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:49:21,449 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:49:21,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:21" (1/1) ... [2018-11-18 15:49:21,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 15:49:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 15:49:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 15:49:21,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 15:49:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 15:49:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 15:49:22,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:49:22,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-18 15:49:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-18 15:49:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 15:49:22,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-18 15:49:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-18 15:49:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 15:49:22,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 225 states and 307 transitions. [2018-11-18 15:49:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2018-11-18 15:49:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 15:49:22,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 233 states and 319 transitions. [2018-11-18 15:49:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2018-11-18 15:49:23,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:49:23,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-11-18 15:49:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-11-18 15:49:23,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:49:23,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-11-18 15:49:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-11-18 15:49:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:49:23,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 248 states and 342 transitions. [2018-11-18 15:49:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 342 transitions. [2018-11-18 15:49:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 15:49:23,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 253 states and 347 transitions. [2018-11-18 15:49:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2018-11-18 15:49:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:49:23,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 262 states and 358 transitions. [2018-11-18 15:49:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2018-11-18 15:49:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:49:24,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:49:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 263 states and 360 transitions. [2018-11-18 15:49:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 360 transitions. [2018-11-18 15:49:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:49:24,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:49:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 269 states and 366 transitions. [2018-11-18 15:49:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2018-11-18 15:49:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:49:24,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 272 states and 370 transitions. [2018-11-18 15:49:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2018-11-18 15:49:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 15:49:24,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2018-11-18 15:49:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2018-11-18 15:49:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 15:49:24,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 278 states and 376 transitions. [2018-11-18 15:49:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 376 transitions. [2018-11-18 15:49:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 15:49:24,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 293 states and 398 transitions. [2018-11-18 15:49:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 398 transitions. [2018-11-18 15:49:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 15:49:25,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-18 15:49:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-18 15:49:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 15:49:26,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 323 states and 436 transitions. [2018-11-18 15:49:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 436 transitions. [2018-11-18 15:49:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:49:26,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 324 states and 438 transitions. [2018-11-18 15:49:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 438 transitions. [2018-11-18 15:49:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:49:26,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:26,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 326 states and 440 transitions. [2018-11-18 15:49:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2018-11-18 15:49:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 15:49:26,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:49:27,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 337 states and 453 transitions. [2018-11-18 15:49:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 453 transitions. [2018-11-18 15:49:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:49:27,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 340 states and 456 transitions. [2018-11-18 15:49:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 456 transitions. [2018-11-18 15:49:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 15:49:27,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-11-18 15:49:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-11-18 15:49:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 15:49:27,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:49:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 351 states and 469 transitions. [2018-11-18 15:49:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 469 transitions. [2018-11-18 15:49:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 15:49:27,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 376 states and 499 transitions. [2018-11-18 15:49:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 499 transitions. [2018-11-18 15:49:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 15:49:28,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 391 states and 518 transitions. [2018-11-18 15:49:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 518 transitions. [2018-11-18 15:49:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 15:49:28,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-11-18 15:49:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-11-18 15:49:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 15:49:29,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-11-18 15:49:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-11-18 15:49:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 15:49:30,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:49:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-11-18 15:49:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-11-18 15:49:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 15:49:30,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:49:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 448 states and 588 transitions. [2018-11-18 15:49:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 588 transitions. [2018-11-18 15:49:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 15:49:31,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 454 states and 595 transitions. [2018-11-18 15:49:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 595 transitions. [2018-11-18 15:49:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 15:49:31,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:49:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 455 states and 596 transitions. [2018-11-18 15:49:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 596 transitions. [2018-11-18 15:49:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 15:49:31,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:49:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 458 states and 600 transitions. [2018-11-18 15:49:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2018-11-18 15:49:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 15:49:31,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 465 states and 610 transitions. [2018-11-18 15:49:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2018-11-18 15:49:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 15:49:32,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:32,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 474 states and 619 transitions. [2018-11-18 15:49:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2018-11-18 15:49:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 15:49:32,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 475 states and 620 transitions. [2018-11-18 15:49:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 620 transitions. [2018-11-18 15:49:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 15:49:32,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:32,620 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 524 states and 676 transitions. [2018-11-18 15:49:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 676 transitions. [2018-11-18 15:49:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 15:49:33,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:49:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 534 states and 694 transitions. [2018-11-18 15:49:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 694 transitions. [2018-11-18 15:49:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 15:49:34,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 583 states and 747 transitions. [2018-11-18 15:49:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 747 transitions. [2018-11-18 15:49:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 15:49:36,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:36,071 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 600 states and 766 transitions. [2018-11-18 15:49:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 766 transitions. [2018-11-18 15:49:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 15:49:36,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 605 states and 774 transitions. [2018-11-18 15:49:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 774 transitions. [2018-11-18 15:49:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 15:49:36,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 655 states and 831 transitions. [2018-11-18 15:49:37,708 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 831 transitions. [2018-11-18 15:49:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 15:49:37,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:49:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 665 states and 850 transitions. [2018-11-18 15:49:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 850 transitions. [2018-11-18 15:49:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 15:49:38,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:49:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 711 states and 903 transitions. [2018-11-18 15:49:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 903 transitions. [2018-11-18 15:49:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 15:49:40,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:49:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 732 states and 925 transitions. [2018-11-18 15:49:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 925 transitions. [2018-11-18 15:49:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:49:41,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:49:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 746 states and 947 transitions. [2018-11-18 15:49:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 947 transitions. [2018-11-18 15:49:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 15:49:43,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 15:49:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 750 states and 950 transitions. [2018-11-18 15:49:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 950 transitions. [2018-11-18 15:49:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 15:49:43,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 767 states and 968 transitions. [2018-11-18 15:49:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 968 transitions. [2018-11-18 15:49:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:49:43,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:49:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 769 states and 970 transitions. [2018-11-18 15:49:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 970 transitions. [2018-11-18 15:49:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:49:43,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 796 states and 1009 transitions. [2018-11-18 15:49:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1009 transitions. [2018-11-18 15:49:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:49:45,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 818 states and 1037 transitions. [2018-11-18 15:49:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1037 transitions. [2018-11-18 15:49:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:49:47,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 827 states and 1046 transitions. [2018-11-18 15:49:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1046 transitions. [2018-11-18 15:49:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 15:49:47,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 832 states and 1051 transitions. [2018-11-18 15:49:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1051 transitions. [2018-11-18 15:49:48,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 15:49:48,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 857 states and 1078 transitions. [2018-11-18 15:49:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1078 transitions. [2018-11-18 15:49:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 15:49:49,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:49:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:49,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 858 states and 1079 transitions. [2018-11-18 15:49:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1079 transitions. [2018-11-18 15:49:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 15:49:49,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:49:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 859 states and 1079 transitions. [2018-11-18 15:49:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1079 transitions. [2018-11-18 15:49:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 15:49:49,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:49:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 866 states and 1088 transitions. [2018-11-18 15:49:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1088 transitions. [2018-11-18 15:49:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 15:49:50,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:49:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 868 states and 1089 transitions. [2018-11-18 15:49:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1089 transitions. [2018-11-18 15:49:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 15:49:50,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 15:49:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 878 states and 1105 transitions. [2018-11-18 15:49:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1105 transitions. [2018-11-18 15:49:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 15:49:51,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 931 states and 1169 transitions. [2018-11-18 15:49:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1169 transitions. [2018-11-18 15:49:54,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 15:49:54,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 948 states and 1185 transitions. [2018-11-18 15:49:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1185 transitions. [2018-11-18 15:49:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 15:49:54,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 949 states and 1187 transitions. [2018-11-18 15:49:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1187 transitions. [2018-11-18 15:49:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 15:49:54,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 969 states and 1214 transitions. [2018-11-18 15:49:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1214 transitions. [2018-11-18 15:49:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:49:56,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 15:49:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1027 states and 1275 transitions. [2018-11-18 15:49:57,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1275 transitions. [2018-11-18 15:49:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 15:49:57,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 15:49:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1028 states and 1275 transitions. [2018-11-18 15:49:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1275 transitions. [2018-11-18 15:49:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 15:49:57,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:49:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1095 states and 1350 transitions. [2018-11-18 15:49:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1350 transitions. [2018-11-18 15:49:59,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 15:49:59,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:49:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:49:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1100 states and 1355 transitions. [2018-11-18 15:49:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1355 transitions. [2018-11-18 15:49:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 15:49:59,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:49:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:50:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1129 states and 1404 transitions. [2018-11-18 15:50:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1404 transitions. [2018-11-18 15:50:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 15:50:01,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:50:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1153 states and 1432 transitions. [2018-11-18 15:50:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1432 transitions. [2018-11-18 15:50:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 15:50:02,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 15:50:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1154 states and 1433 transitions. [2018-11-18 15:50:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1433 transitions. [2018-11-18 15:50:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 15:50:02,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 15:50:03,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1166 states and 1453 transitions. [2018-11-18 15:50:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1453 transitions. [2018-11-18 15:50:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 15:50:03,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 15:50:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1172 states and 1461 transitions. [2018-11-18 15:50:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1461 transitions. [2018-11-18 15:50:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:50:03,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1189 states and 1482 transitions. [2018-11-18 15:50:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1482 transitions. [2018-11-18 15:50:06,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:50:06,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1205 states and 1498 transitions. [2018-11-18 15:50:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1498 transitions. [2018-11-18 15:50:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:50:07,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1211 states and 1504 transitions. [2018-11-18 15:50:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1504 transitions. [2018-11-18 15:50:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 15:50:07,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1212 states and 1505 transitions. [2018-11-18 15:50:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1505 transitions. [2018-11-18 15:50:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 15:50:08,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 15:50:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1230 states and 1529 transitions. [2018-11-18 15:50:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1529 transitions. [2018-11-18 15:50:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 15:50:10,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 15:50:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:11,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1301 states and 1603 transitions. [2018-11-18 15:50:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1603 transitions. [2018-11-18 15:50:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:11,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1340 states and 1648 transitions. [2018-11-18 15:50:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1648 transitions. [2018-11-18 15:50:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:13,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1343 states and 1656 transitions. [2018-11-18 15:50:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1656 transitions. [2018-11-18 15:50:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:14,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1359 states and 1674 transitions. [2018-11-18 15:50:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1674 transitions. [2018-11-18 15:50:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:14,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1373 states and 1690 transitions. [2018-11-18 15:50:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1690 transitions. [2018-11-18 15:50:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:15,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1378 states and 1694 transitions. [2018-11-18 15:50:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1694 transitions. [2018-11-18 15:50:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:15,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1383 states and 1698 transitions. [2018-11-18 15:50:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1698 transitions. [2018-11-18 15:50:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:50:16,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1384 states and 1698 transitions. [2018-11-18 15:50:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1698 transitions. [2018-11-18 15:50:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:50:16,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:50:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1458 states and 1780 transitions. [2018-11-18 15:50:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1780 transitions. [2018-11-18 15:50:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:50:18,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:50:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1459 states and 1780 transitions. [2018-11-18 15:50:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1780 transitions. [2018-11-18 15:50:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:19,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1489 states and 1826 transitions. [2018-11-18 15:50:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1826 transitions. [2018-11-18 15:50:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:23,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1498 states and 1838 transitions. [2018-11-18 15:50:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1838 transitions. [2018-11-18 15:50:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:24,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1509 states and 1852 transitions. [2018-11-18 15:50:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1852 transitions. [2018-11-18 15:50:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:25,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1511 states and 1854 transitions. [2018-11-18 15:50:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1854 transitions. [2018-11-18 15:50:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:26,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:26,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1512 states and 1856 transitions. [2018-11-18 15:50:26,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1856 transitions. [2018-11-18 15:50:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:26,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1517 states and 1862 transitions. [2018-11-18 15:50:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1862 transitions. [2018-11-18 15:50:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:50:27,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1518 states and 1862 transitions. [2018-11-18 15:50:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1862 transitions. [2018-11-18 15:50:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:50:27,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 15:50:29,530 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-11-18 15:50:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1563 states and 1909 transitions. [2018-11-18 15:50:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1909 transitions. [2018-11-18 15:50:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 15:50:32,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 15:50:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1566 states and 1913 transitions. [2018-11-18 15:50:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1913 transitions. [2018-11-18 15:50:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 15:50:33,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 157 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1585 states and 1935 transitions. [2018-11-18 15:50:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1935 transitions. [2018-11-18 15:50:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 15:50:35,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 15:50:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1599 states and 1952 transitions. [2018-11-18 15:50:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1952 transitions. [2018-11-18 15:50:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 15:50:36,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1629 states and 1989 transitions. [2018-11-18 15:50:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 1989 transitions. [2018-11-18 15:50:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 15:50:40,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1636 states and 1998 transitions. [2018-11-18 15:50:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1998 transitions. [2018-11-18 15:50:41,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 15:50:41,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1637 states and 2000 transitions. [2018-11-18 15:50:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2000 transitions. [2018-11-18 15:50:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 15:50:41,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 175 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:50:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1642 states and 2006 transitions. [2018-11-18 15:50:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2006 transitions. [2018-11-18 15:50:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 15:50:43,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 15:50:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1713 states and 2081 transitions. [2018-11-18 15:50:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2081 transitions. [2018-11-18 15:50:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 15:50:44,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 15:50:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1722 states and 2089 transitions. [2018-11-18 15:50:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2089 transitions. [2018-11-18 15:50:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 15:50:44,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 15:50:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1738 states and 2107 transitions. [2018-11-18 15:50:48,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2107 transitions. [2018-11-18 15:50:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 15:50:48,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 15:50:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1743 states and 2112 transitions. [2018-11-18 15:50:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2112 transitions. [2018-11-18 15:50:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 15:50:48,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 15:50:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1747 states and 2115 transitions. [2018-11-18 15:50:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2115 transitions. [2018-11-18 15:50:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 15:50:49,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 15:50:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1781 states and 2152 transitions. [2018-11-18 15:50:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2152 transitions. [2018-11-18 15:50:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 15:50:51,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 15:50:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1786 states and 2156 transitions. [2018-11-18 15:50:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2156 transitions. [2018-11-18 15:50:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:52,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:50:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1791 states and 2160 transitions. [2018-11-18 15:50:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2160 transitions. [2018-11-18 15:50:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:53,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:50:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1802 states and 2170 transitions. [2018-11-18 15:50:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2170 transitions. [2018-11-18 15:50:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:54,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:50:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1817 states and 2185 transitions. [2018-11-18 15:50:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2185 transitions. [2018-11-18 15:50:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:55,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:50:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1823 states and 2191 transitions. [2018-11-18 15:50:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2191 transitions. [2018-11-18 15:50:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:56,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 15:50:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1828 states and 2195 transitions. [2018-11-18 15:50:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2195 transitions. [2018-11-18 15:50:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:57,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 15:50:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:50:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1891 states and 2268 transitions. [2018-11-18 15:50:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2268 transitions. [2018-11-18 15:50:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:50:58,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:50:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:50:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 15:51:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2034 states and 2418 transitions. [2018-11-18 15:51:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2418 transitions. [2018-11-18 15:51:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 15:51:00,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 15:51:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2037 states and 2420 transitions. [2018-11-18 15:51:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2420 transitions. [2018-11-18 15:51:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 15:51:01,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 262 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 15:51:04,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2174 states and 2560 transitions. [2018-11-18 15:51:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2560 transitions. [2018-11-18 15:51:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:04,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2256 states and 2663 transitions. [2018-11-18 15:51:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2663 transitions. [2018-11-18 15:51:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:13,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2280 states and 2693 transitions. [2018-11-18 15:51:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2693 transitions. [2018-11-18 15:51:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:15,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:18,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2290 states and 2709 transitions. [2018-11-18 15:51:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2709 transitions. [2018-11-18 15:51:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:18,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:18,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2304 states and 2722 transitions. [2018-11-18 15:51:18,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2722 transitions. [2018-11-18 15:51:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:18,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2319 states and 2739 transitions. [2018-11-18 15:51:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2739 transitions. [2018-11-18 15:51:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:19,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2334 states and 2755 transitions. [2018-11-18 15:51:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2755 transitions. [2018-11-18 15:51:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:20,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2340 states and 2761 transitions. [2018-11-18 15:51:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2761 transitions. [2018-11-18 15:51:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 15:51:21,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:51:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2346 states and 2767 transitions. [2018-11-18 15:51:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2767 transitions. [2018-11-18 15:51:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 15:51:22,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 451 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-18 15:51:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:22,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2351 states and 2773 transitions. [2018-11-18 15:51:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2773 transitions. [2018-11-18 15:51:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 15:51:22,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:51:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:51:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 124 proven. 378 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 15:51:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:51:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2348 states and 2769 transitions. [2018-11-18 15:51:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2769 transitions. [2018-11-18 15:51:24,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:51:24,551 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 129 iterations. [2018-11-18 15:51:24,558 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:51:24,699 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-11-18 15:51:24,811 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2018-11-18 15:51:24,973 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 42 [2018-11-18 15:51:25,088 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:25,241 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-11-18 15:51:25,541 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-11-18 15:51:25,645 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-18 15:51:25,889 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 42 [2018-11-18 15:51:26,285 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-11-18 15:51:26,899 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-11-18 15:51:27,130 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2018-11-18 15:51:27,243 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:27,397 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-11-18 15:51:27,606 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-18 15:51:27,769 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:27,882 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:27,995 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-11-18 15:51:28,185 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 43 [2018-11-18 15:51:28,344 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:28,548 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:28,860 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-18 15:51:29,315 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2018-11-18 15:51:29,590 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-18 15:51:29,798 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-18 15:51:30,198 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-11-18 15:51:30,388 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:30,639 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2018-11-18 15:51:30,816 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-11-18 15:51:30,973 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 42 [2018-11-18 15:51:31,125 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2018-11-18 15:51:31,328 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2018-11-18 15:51:31,443 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-11-18 15:51:31,587 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2018-11-18 15:51:31,785 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-11-18 15:51:31,937 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 39 [2018-11-18 15:51:32,269 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-11-18 15:51:32,359 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:51:32,361 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 15:51:32,366 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 15:51:32,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:51:32 ImpRootNode [2018-11-18 15:51:32,367 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:51:32,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:51:32,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:51:32,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:51:32,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:21" (3/4) ... [2018-11-18 15:51:32,370 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:51:32,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 15:51:32,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 15:51:32,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 15:51:32,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:51:32,466 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e55c4d8-0077-42aa-aeff-c47e5d23d686/bin-2019/ukojak/witness.graphml [2018-11-18 15:51:32,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:51:32,467 INFO L168 Benchmark]: Toolchain (without parser) took 133270.87 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.1 GB). Free memory was 956.6 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 308.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,468 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:51:32,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,469 INFO L168 Benchmark]: Boogie Preprocessor took 43.84 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,469 INFO L168 Benchmark]: RCFGBuilder took 1715.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.1 MB in the end (delta: 231.2 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,469 INFO L168 Benchmark]: CodeCheck took 130924.94 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 3.0 GB). Free memory was 883.1 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,469 INFO L168 Benchmark]: Witness Printer took 99.42 ms. Allocated memory is still 4.1 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:51:32,471 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, 123.0s OverallTime, 129 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1342220300 SDtfs, 2009964750 SDslu, 268780640 SDs, 0 SdLazy, -413156274 SolverSat, -1109058560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 338.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142267 GetRequests, 135513 SyntacticMatches, 5368 SemanticMatches, 1386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1464496 ImplicationChecksByTransitivity, 106.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 21745 NumberOfCodeBlocks, 21745 NumberOfCodeBlocksAsserted, 128 NumberOfCheckSat, 21617 ConstructedInterpolants, 0 QuantifiedInterpolants, 24655082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 128 InterpolantComputations, 89 PerfectInterpolantSequences, 19783/21816 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: 437]: 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: (((a17 == 1 || !(a8 == 13)) || !(a20 == 1)) || !(a16 == 6)) || a7 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a8 == 13)) || !(a20 == 1)) || !(a16 == 6)) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.05 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -198.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.84 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1715.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.1 MB in the end (delta: 231.2 MB). Peak memory consumption was 231.2 MB. Max. memory is 11.5 GB. * CodeCheck took 130924.94 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 3.0 GB). Free memory was 883.1 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 99.42 ms. Allocated memory is still 4.1 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...