./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_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_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/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 49868ba3cc530a9d4dc385567f0a9711da3734c2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:45:22,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:45:22,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:45:22,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:45:22,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:45:22,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:45:22,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:45:22,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:45:22,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:45:22,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:45:22,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:45:22,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:45:22,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:45:22,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:45:22,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:45:22,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:45:22,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:45:22,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:45:22,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:45:22,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:45:22,734 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:45:22,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:45:22,736 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:45:22,736 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:45:22,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:45:22,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:45:22,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:45:22,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:45:22,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:45:22,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:45:22,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:45:22,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:45:22,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:45:22,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:45:22,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:45:22,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:45:22,741 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:45:22,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:45:22,752 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:45:22,752 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:45:22,752 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:45:22,753 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:45:22,753 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:45:22,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:45:22,753 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:45:22,753 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:45:22,753 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:45:22,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:45:22,755 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:45:22,755 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:45:22,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:45:22,755 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:45:22,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:45:22,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:45:22,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:45:22,756 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:45:22,756 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:45:22,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:45:22,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:45:22,756 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_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/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 -> 49868ba3cc530a9d4dc385567f0a9711da3734c2 [2018-11-18 12:45:22,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:45:22,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:45:22,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:45:22,792 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:45:22,792 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:45:22,793 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 12:45:22,831 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/data/da2e08a9b/b76d90f9bb244a4582b6e83dca66eaea/FLAGea665a905 [2018-11-18 12:45:23,300 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:45:23,300 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-11-18 12:45:23,309 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/data/da2e08a9b/b76d90f9bb244a4582b6e83dca66eaea/FLAGea665a905 [2018-11-18 12:45:23,821 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/data/da2e08a9b/b76d90f9bb244a4582b6e83dca66eaea [2018-11-18 12:45:23,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:45:23,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:45:23,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:45:23,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:45:23,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:45:23,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:45:23" (1/1) ... [2018-11-18 12:45:23,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24248849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:23, skipping insertion in model container [2018-11-18 12:45:23,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:45:23" (1/1) ... [2018-11-18 12:45:23,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:45:23,876 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:45:24,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:45:24,114 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:45:24,183 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:45:24,196 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:45:24,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24 WrapperNode [2018-11-18 12:45:24,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:45:24,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:45:24,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:45:24,197 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:45:24,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:45:24,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:45:24,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:45:24,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:45:24,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... [2018-11-18 12:45:24,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:45:24,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:45:24,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:45:24,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:45:24,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:45:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/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 12:45:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:45:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:45:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:45:26,137 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:45:26,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:26 BoogieIcfgContainer [2018-11-18 12:45:26,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:45:26,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:45:26,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:45:26,147 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:45:26,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:26" (1/1) ... [2018-11-18 12:45:26,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 12:45:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 12:45:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 12:45:26,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:26,481 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 12:45:26,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 12:45:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 12:45:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:45:26,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:26,968 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 12:45:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-18 12:45:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-18 12:45:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:45:27,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 12:45:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 12:45:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:45:27,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-18 12:45:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-18 12:45:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:45:27,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-18 12:45:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-18 12:45:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:45:28,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-18 12:45:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-18 12:45:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:45:28,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:28,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-18 12:45:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-18 12:45:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:45:28,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:28,481 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:45:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-18 12:45:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-18 12:45:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:45:28,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:45:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-18 12:45:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-18 12:45:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:45:29,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:45:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-18 12:45:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-18 12:45:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:45:29,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:45:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2018-11-18 12:45:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2018-11-18 12:45:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 12:45:29,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 486 transitions. [2018-11-18 12:45:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 486 transitions. [2018-11-18 12:45:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:45:30,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:45:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-18 12:45:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-18 12:45:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:45:30,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 419 states and 544 transitions. [2018-11-18 12:45:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2018-11-18 12:45:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:45:31,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-11-18 12:45:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-11-18 12:45:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 12:45:31,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 436 states and 562 transitions. [2018-11-18 12:45:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 562 transitions. [2018-11-18 12:45:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:45:31,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 455 states and 584 transitions. [2018-11-18 12:45:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2018-11-18 12:45:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:45:32,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:45:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 459 states and 587 transitions. [2018-11-18 12:45:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 587 transitions. [2018-11-18 12:45:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 12:45:32,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:45:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 464 states and 591 transitions. [2018-11-18 12:45:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2018-11-18 12:45:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 12:45:32,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 466 states and 594 transitions. [2018-11-18 12:45:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 594 transitions. [2018-11-18 12:45:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:45:32,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 480 states and 609 transitions. [2018-11-18 12:45:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 609 transitions. [2018-11-18 12:45:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:45:33,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 485 states and 615 transitions. [2018-11-18 12:45:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 615 transitions. [2018-11-18 12:45:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 12:45:33,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 504 states and 634 transitions. [2018-11-18 12:45:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 634 transitions. [2018-11-18 12:45:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:45:33,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 546 states and 687 transitions. [2018-11-18 12:45:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2018-11-18 12:45:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:45:34,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 548 states and 689 transitions. [2018-11-18 12:45:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 689 transitions. [2018-11-18 12:45:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:45:34,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 553 states and 694 transitions. [2018-11-18 12:45:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 694 transitions. [2018-11-18 12:45:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:45:35,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 554 states and 695 transitions. [2018-11-18 12:45:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 695 transitions. [2018-11-18 12:45:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 12:45:35,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 573 states and 717 transitions. [2018-11-18 12:45:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 717 transitions. [2018-11-18 12:45:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:45:35,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 574 states and 718 transitions. [2018-11-18 12:45:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 718 transitions. [2018-11-18 12:45:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 12:45:35,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 591 states and 735 transitions. [2018-11-18 12:45:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 735 transitions. [2018-11-18 12:45:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 12:45:35,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 601 states and 745 transitions. [2018-11-18 12:45:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 745 transitions. [2018-11-18 12:45:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 12:45:36,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 617 states and 761 transitions. [2018-11-18 12:45:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 761 transitions. [2018-11-18 12:45:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:45:36,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 12:45:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 619 states and 762 transitions. [2018-11-18 12:45:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 762 transitions. [2018-11-18 12:45:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 12:45:36,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:36,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 621 states and 764 transitions. [2018-11-18 12:45:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 764 transitions. [2018-11-18 12:45:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 12:45:36,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 12:45:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 622 states and 766 transitions. [2018-11-18 12:45:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 766 transitions. [2018-11-18 12:45:37,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 12:45:37,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 626 states and 770 transitions. [2018-11-18 12:45:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 770 transitions. [2018-11-18 12:45:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:45:37,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 653 states and 798 transitions. [2018-11-18 12:45:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 798 transitions. [2018-11-18 12:45:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 12:45:37,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 12:45:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 655 states and 800 transitions. [2018-11-18 12:45:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 800 transitions. [2018-11-18 12:45:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 12:45:37,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 667 states and 815 transitions. [2018-11-18 12:45:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 815 transitions. [2018-11-18 12:45:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:45:37,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 671 states and 820 transitions. [2018-11-18 12:45:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 820 transitions. [2018-11-18 12:45:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 12:45:38,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2018-11-18 12:45:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2018-11-18 12:45:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 12:45:39,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 725 states and 879 transitions. [2018-11-18 12:45:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 879 transitions. [2018-11-18 12:45:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:45:39,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 749 states and 904 transitions. [2018-11-18 12:45:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 904 transitions. [2018-11-18 12:45:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:45:40,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 750 states and 904 transitions. [2018-11-18 12:45:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 904 transitions. [2018-11-18 12:45:40,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 12:45:40,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 12:45:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 756 states and 909 transitions. [2018-11-18 12:45:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 909 transitions. [2018-11-18 12:45:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 12:45:40,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 788 states and 941 transitions. [2018-11-18 12:45:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 941 transitions. [2018-11-18 12:45:40,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:45:40,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 12:45:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 794 states and 948 transitions. [2018-11-18 12:45:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 948 transitions. [2018-11-18 12:45:40,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:45:40,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 12:45:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 795 states and 948 transitions. [2018-11-18 12:45:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 948 transitions. [2018-11-18 12:45:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 12:45:41,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 832 states and 988 transitions. [2018-11-18 12:45:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 988 transitions. [2018-11-18 12:45:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 12:45:41,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:45:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 856 states and 1013 transitions. [2018-11-18 12:45:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1013 transitions. [2018-11-18 12:45:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 12:45:42,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:45:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 890 states and 1050 transitions. [2018-11-18 12:45:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1050 transitions. [2018-11-18 12:45:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 12:45:42,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:45:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 894 states and 1054 transitions. [2018-11-18 12:45:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1054 transitions. [2018-11-18 12:45:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 12:45:43,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 898 states and 1060 transitions. [2018-11-18 12:45:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1060 transitions. [2018-11-18 12:45:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 12:45:43,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:45:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 915 states and 1076 transitions. [2018-11-18 12:45:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1076 transitions. [2018-11-18 12:45:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 12:45:43,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:45:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 953 states and 1116 transitions. [2018-11-18 12:45:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1116 transitions. [2018-11-18 12:45:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 12:45:43,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 12:45:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 956 states and 1118 transitions. [2018-11-18 12:45:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1118 transitions. [2018-11-18 12:45:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:45:43,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1079 states and 1260 transitions. [2018-11-18 12:45:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1260 transitions. [2018-11-18 12:45:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:45:46,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1083 states and 1264 transitions. [2018-11-18 12:45:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1264 transitions. [2018-11-18 12:45:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:45:46,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1088 states and 1268 transitions. [2018-11-18 12:45:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1268 transitions. [2018-11-18 12:45:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 12:45:47,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:45:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1168 states and 1352 transitions. [2018-11-18 12:45:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1352 transitions. [2018-11-18 12:45:48,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 12:45:48,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1211 states and 1400 transitions. [2018-11-18 12:45:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1400 transitions. [2018-11-18 12:45:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 12:45:49,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1215 states and 1403 transitions. [2018-11-18 12:45:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1403 transitions. [2018-11-18 12:45:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 12:45:49,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:45:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1227 states and 1419 transitions. [2018-11-18 12:45:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1419 transitions. [2018-11-18 12:45:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 12:45:50,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:45:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1254 states and 1446 transitions. [2018-11-18 12:45:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1446 transitions. [2018-11-18 12:45:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:50,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:54,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1393 states and 1613 transitions. [2018-11-18 12:45:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1613 transitions. [2018-11-18 12:45:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:54,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1405 states and 1625 transitions. [2018-11-18 12:45:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1625 transitions. [2018-11-18 12:45:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:55,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1415 states and 1634 transitions. [2018-11-18 12:45:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1634 transitions. [2018-11-18 12:45:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:55,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1439 states and 1664 transitions. [2018-11-18 12:45:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1664 transitions. [2018-11-18 12:45:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:57,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1443 states and 1667 transitions. [2018-11-18 12:45:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1667 transitions. [2018-11-18 12:45:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:57,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1448 states and 1671 transitions. [2018-11-18 12:45:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1671 transitions. [2018-11-18 12:45:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:45:58,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1453 states and 1675 transitions. [2018-11-18 12:45:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1675 transitions. [2018-11-18 12:45:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 12:45:58,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 12:45:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1456 states and 1677 transitions. [2018-11-18 12:45:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1677 transitions. [2018-11-18 12:45:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 12:45:58,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:45:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1480 states and 1701 transitions. [2018-11-18 12:45:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1701 transitions. [2018-11-18 12:45:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 12:45:59,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:45:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:45:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1484 states and 1704 transitions. [2018-11-18 12:45:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1704 transitions. [2018-11-18 12:45:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 12:45:59,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:45:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 12:46:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1549 states and 1780 transitions. [2018-11-18 12:46:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1780 transitions. [2018-11-18 12:46:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 12:46:02,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 12:46:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1563 states and 1797 transitions. [2018-11-18 12:46:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1797 transitions. [2018-11-18 12:46:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 12:46:03,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 12:46:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1568 states and 1802 transitions. [2018-11-18 12:46:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1802 transitions. [2018-11-18 12:46:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 12:46:04,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 12:46:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1572 states and 1805 transitions. [2018-11-18 12:46:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1805 transitions. [2018-11-18 12:46:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 12:46:04,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 12:46:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1652 states and 1892 transitions. [2018-11-18 12:46:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1892 transitions. [2018-11-18 12:46:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 12:46:05,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 214 proven. 47 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 12:46:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1866 states and 2159 transitions. [2018-11-18 12:46:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2159 transitions. [2018-11-18 12:46:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 12:46:12,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:46:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1938 states and 2240 transitions. [2018-11-18 12:46:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2240 transitions. [2018-11-18 12:46:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-18 12:46:13,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:46:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1976 states and 2279 transitions. [2018-11-18 12:46:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2279 transitions. [2018-11-18 12:46:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 12:46:13,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 9 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 12:46:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1987 states and 2293 transitions. [2018-11-18 12:46:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2293 transitions. [2018-11-18 12:46:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 12:46:14,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 410 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 12:46:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2223 states and 2554 transitions. [2018-11-18 12:46:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2554 transitions. [2018-11-18 12:46:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 12:46:35,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 410 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 12:46:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:46:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2283 states and 2621 transitions. [2018-11-18 12:46:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2621 transitions. [2018-11-18 12:46:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-18 12:46:59,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:46:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:46:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 432 proven. 18 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-11-18 12:47:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2290 states and 2630 transitions. [2018-11-18 12:47:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2630 transitions. [2018-11-18 12:47:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-18 12:47:20,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 432 proven. 18 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-11-18 12:47:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2292 states and 2631 transitions. [2018-11-18 12:47:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2631 transitions. [2018-11-18 12:47:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-11-18 12:47:42,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 149 proven. 618 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2018-11-18 12:48:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2318 states and 2664 transitions. [2018-11-18 12:48:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2664 transitions. [2018-11-18 12:48:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-11-18 12:48:05,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 149 proven. 618 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2018-11-18 12:48:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2159 states and 2499 transitions. [2018-11-18 12:48:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2499 transitions. [2018-11-18 12:48:29,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:48:29,759 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-18 12:48:29,765 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:48:29,879 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 26 [2018-11-18 12:48:31,320 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 26 [2018-11-18 12:48:31,439 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 26 [2018-11-18 12:48:31,620 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2018-11-18 12:48:32,052 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2018-11-18 12:48:32,216 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 26 [2018-11-18 12:48:33,109 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-11-18 12:48:33,548 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 26 [2018-11-18 12:48:35,026 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2018-11-18 12:48:35,389 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2018-11-18 12:48:35,558 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-11-18 12:48:35,755 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:48:35,757 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 12:48:35,764 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 12:48:35,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:48:35 ImpRootNode [2018-11-18 12:48:35,765 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:48:35,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:48:35,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:48:35,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:48:35,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:26" (3/4) ... [2018-11-18 12:48:35,769 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:48:35,787 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 12:48:35,788 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 12:48:35,789 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 12:48:35,789 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:48:35,895 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8ad00e6-c20b-4aa8-9cc0-dfa301c2aa42/bin-2019/ukojak/witness.graphml [2018-11-18 12:48:35,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:48:35,896 INFO L168 Benchmark]: Toolchain (without parser) took 192071.90 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -78.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,896 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:48:35,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -218.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,897 INFO L168 Benchmark]: Boogie Preprocessor took 43.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,897 INFO L168 Benchmark]: RCFGBuilder took 1799.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.4 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,898 INFO L168 Benchmark]: CodeCheck took 189626.21 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 891.4 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,898 INFO L168 Benchmark]: Witness Printer took 130.11 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:48:35,900 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, 228 locations, 1 error locations. SAFE Result, 183.5s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1677607180 SDtfs, 1597246468 SDslu, -435220192 SDs, 0 SdLazy, 366073140 SolverSat, 844266392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118819 GetRequests, 113755 SyntacticMatches, 4178 SemanticMatches, 886 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2434103 ImplicationChecksByTransitivity, 169.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 18094 NumberOfCodeBlocks, 18094 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 18005 ConstructedInterpolants, 0 QuantifiedInterpolants, 21837665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 60 PerfectInterpolantSequences, 16861/20210 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: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a17 == 8 || !(a25 == 1) || !(a11 == 1)) || (!(a17 == 7) && a21 == 1)) || !(a28 == 10)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a28 == 10) || a17 == 8) || !(a25 == 1) || !(a11 == 1)) || (!(a17 == 7) && a21 == 1)) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 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 98.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -218.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1799.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.4 MB in the end (delta: 239.4 MB). Peak memory consumption was 239.4 MB. Max. memory is 11.5 GB. * CodeCheck took 189626.21 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 891.4 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 130.11 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...