./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/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 936e1fac1e718929285e646469efe9b1619e10b2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:14:55,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:14:55,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:14:55,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:14:55,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:14:55,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:14:55,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:14:55,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:14:55,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:14:55,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:14:55,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:14:55,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:14:55,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:14:55,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:14:55,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:14:55,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:14:55,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:14:55,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:14:55,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:14:55,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:14:55,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:14:55,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:14:55,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:14:55,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:14:55,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:14:55,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:14:55,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:14:55,148 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:14:55,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:14:55,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:14:55,149 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:14:55,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:14:55,150 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:14:55,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:14:55,151 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:14:55,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:14:55,152 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:14:55,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:14:55,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:14:55,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:14:55,164 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:14:55,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:14:55,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:14:55,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:14:55,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:14:55,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:14:55,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:14:55,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:14:55,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:14:55,167 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:14:55,167 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:14:55,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:14:55,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:14:55,168 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:14:55,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:14:55,169 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_f706bfc1-1056-4e02-b669-a374f1076d73/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-10-26 22:14:55,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:14:55,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:14:55,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:14:55,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:14:55,209 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:14:55,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-10-26 22:14:55,258 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/data/80a41743f/caeefd09dd6049e7b5f25244ad975bc7/FLAG8dfd09c20 [2018-10-26 22:14:55,718 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:14:55,719 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-10-26 22:14:55,728 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/data/80a41743f/caeefd09dd6049e7b5f25244ad975bc7/FLAG8dfd09c20 [2018-10-26 22:14:55,743 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/data/80a41743f/caeefd09dd6049e7b5f25244ad975bc7 [2018-10-26 22:14:55,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:14:55,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:14:55,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:55,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:14:55,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:14:55,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:55" (1/1) ... [2018-10-26 22:14:55,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:55, skipping insertion in model container [2018-10-26 22:14:55,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:55" (1/1) ... [2018-10-26 22:14:55,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:14:55,825 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:14:56,215 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:56,218 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:14:56,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:56,318 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:14:56,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56 WrapperNode [2018-10-26 22:14:56,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:56,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:14:56,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:14:56,320 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:14:56,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:14:56,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:14:56,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:14:56,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:14:56,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... [2018-10-26 22:14:56,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:14:56,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:14:56,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:14:56,567 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:14:56,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/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 [2018-10-26 22:14:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:14:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:14:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:15:01,596 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:15:01,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:01 BoogieIcfgContainer [2018-10-26 22:15:01,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:15:01,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:15:01,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:15:01,608 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:15:01,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:01" (1/1) ... [2018-10-26 22:15:01,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:15:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 22:15:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 22:15:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:15:01,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-10-26 22:15:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-10-26 22:15:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 22:15:03,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-10-26 22:15:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-10-26 22:15:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 22:15:03,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:03,782 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 22:15:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:04,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-10-26 22:15:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-10-26 22:15:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:15:04,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 225 states and 307 transitions. [2018-10-26 22:15:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2018-10-26 22:15:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 22:15:05,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:06,258 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 22:15:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 233 states and 319 transitions. [2018-10-26 22:15:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2018-10-26 22:15:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:06,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-10-26 22:15:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-10-26 22:15:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:06,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-10-26 22:15:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-10-26 22:15:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:07,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:07,721 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:15:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 248 states and 342 transitions. [2018-10-26 22:15:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 342 transitions. [2018-10-26 22:15:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:15:07,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 253 states and 347 transitions. [2018-10-26 22:15:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2018-10-26 22:15:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 22:15:08,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 262 states and 358 transitions. [2018-10-26 22:15:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2018-10-26 22:15:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 22:15:08,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:08,775 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:15:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 263 states and 360 transitions. [2018-10-26 22:15:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 360 transitions. [2018-10-26 22:15:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 22:15:08,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 267 states and 365 transitions. [2018-10-26 22:15:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 365 transitions. [2018-10-26 22:15:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 22:15:09,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:09,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 269 states and 366 transitions. [2018-10-26 22:15:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2018-10-26 22:15:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 22:15:09,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 272 states and 370 transitions. [2018-10-26 22:15:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2018-10-26 22:15:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:15:09,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2018-10-26 22:15:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2018-10-26 22:15:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 22:15:10,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:10,437 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:15:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 278 states and 376 transitions. [2018-10-26 22:15:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 376 transitions. [2018-10-26 22:15:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 22:15:10,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 293 states and 398 transitions. [2018-10-26 22:15:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 398 transitions. [2018-10-26 22:15:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:15:11,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:11,946 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-26 22:15:12,610 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 22:15:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-10-26 22:15:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-10-26 22:15:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 22:15:13,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 323 states and 436 transitions. [2018-10-26 22:15:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 436 transitions. [2018-10-26 22:15:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:15:13,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 324 states and 438 transitions. [2018-10-26 22:15:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 438 transitions. [2018-10-26 22:15:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 22:15:14,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 326 states and 440 transitions. [2018-10-26 22:15:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2018-10-26 22:15:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 22:15:14,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:15:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 337 states and 453 transitions. [2018-10-26 22:15:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 453 transitions. [2018-10-26 22:15:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:15:15,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 340 states and 456 transitions. [2018-10-26 22:15:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 456 transitions. [2018-10-26 22:15:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:15:15,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-10-26 22:15:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-10-26 22:15:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:15:16,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:15:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 351 states and 469 transitions. [2018-10-26 22:15:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 469 transitions. [2018-10-26 22:15:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 22:15:16,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:17,518 WARN L179 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-10-26 22:15:18,369 WARN L179 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 [2018-10-26 22:15:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 376 states and 499 transitions. [2018-10-26 22:15:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 499 transitions. [2018-10-26 22:15:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 22:15:19,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 391 states and 518 transitions. [2018-10-26 22:15:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 518 transitions. [2018-10-26 22:15:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 22:15:22,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:24,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-10-26 22:15:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-10-26 22:15:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 22:15:24,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-10-26 22:15:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-10-26 22:15:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:15:26,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:15:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-10-26 22:15:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-10-26 22:15:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:15:26,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:15:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 448 states and 588 transitions. [2018-10-26 22:15:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 588 transitions. [2018-10-26 22:15:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 22:15:27,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:27,084 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:27,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 454 states and 595 transitions. [2018-10-26 22:15:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 595 transitions. [2018-10-26 22:15:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:15:27,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:15:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 455 states and 596 transitions. [2018-10-26 22:15:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 596 transitions. [2018-10-26 22:15:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 22:15:27,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:15:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 458 states and 600 transitions. [2018-10-26 22:15:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2018-10-26 22:15:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:15:27,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 465 states and 610 transitions. [2018-10-26 22:15:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2018-10-26 22:15:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 22:15:28,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 474 states and 619 transitions. [2018-10-26 22:15:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2018-10-26 22:15:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 22:15:28,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 475 states and 620 transitions. [2018-10-26 22:15:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 620 transitions. [2018-10-26 22:15:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:15:28,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:30,209 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-10-26 22:15:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 524 states and 676 transitions. [2018-10-26 22:15:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 676 transitions. [2018-10-26 22:15:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:15:31,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:15:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 534 states and 694 transitions. [2018-10-26 22:15:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 694 transitions. [2018-10-26 22:15:32,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:15:32,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 583 states and 747 transitions. [2018-10-26 22:15:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 747 transitions. [2018-10-26 22:15:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:15:34,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 600 states and 766 transitions. [2018-10-26 22:15:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 766 transitions. [2018-10-26 22:15:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 22:15:35,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 605 states and 774 transitions. [2018-10-26 22:15:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 774 transitions. [2018-10-26 22:15:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 22:15:35,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 655 states and 831 transitions. [2018-10-26 22:15:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 831 transitions. [2018-10-26 22:15:37,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 22:15:37,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:15:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 665 states and 850 transitions. [2018-10-26 22:15:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 850 transitions. [2018-10-26 22:15:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:15:38,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:15:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 711 states and 903 transitions. [2018-10-26 22:15:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 903 transitions. [2018-10-26 22:15:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 22:15:41,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:15:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 732 states and 925 transitions. [2018-10-26 22:15:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 925 transitions. [2018-10-26 22:15:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 22:15:42,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 22:15:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 746 states and 947 transitions. [2018-10-26 22:15:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 947 transitions. [2018-10-26 22:15:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 22:15:44,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 22:15:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 750 states and 950 transitions. [2018-10-26 22:15:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 950 transitions. [2018-10-26 22:15:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:15:45,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 767 states and 968 transitions. [2018-10-26 22:15:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 968 transitions. [2018-10-26 22:15:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:15:45,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:15:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 769 states and 970 transitions. [2018-10-26 22:15:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 970 transitions. [2018-10-26 22:15:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 22:15:45,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:15:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 796 states and 1009 transitions. [2018-10-26 22:15:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1009 transitions. [2018-10-26 22:15:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:15:48,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 827 states and 1046 transitions. [2018-10-26 22:15:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1046 transitions. [2018-10-26 22:15:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 22:15:51,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 832 states and 1051 transitions. [2018-10-26 22:15:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1051 transitions. [2018-10-26 22:15:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 22:15:51,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 857 states and 1078 transitions. [2018-10-26 22:15:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1078 transitions. [2018-10-26 22:15:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:15:53,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:15:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 858 states and 1079 transitions. [2018-10-26 22:15:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1079 transitions. [2018-10-26 22:15:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 22:15:54,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 22:15:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 859 states and 1079 transitions. [2018-10-26 22:15:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1079 transitions. [2018-10-26 22:15:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:15:54,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:15:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 862 states and 1083 transitions. [2018-10-26 22:15:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1083 transitions. [2018-10-26 22:15:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:15:54,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:15:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 866 states and 1088 transitions. [2018-10-26 22:15:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1088 transitions. [2018-10-26 22:15:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 22:15:55,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:15:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 868 states and 1089 transitions. [2018-10-26 22:15:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1089 transitions. [2018-10-26 22:15:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 22:15:55,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:15:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:15:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 878 states and 1105 transitions. [2018-10-26 22:15:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1105 transitions. [2018-10-26 22:15:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:15:57,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:15:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:15:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:15:59,499 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-10-26 22:16:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 931 states and 1169 transitions. [2018-10-26 22:16:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1169 transitions. [2018-10-26 22:16:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 22:16:00,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 948 states and 1185 transitions. [2018-10-26 22:16:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1185 transitions. [2018-10-26 22:16:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 22:16:01,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 949 states and 1187 transitions. [2018-10-26 22:16:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1187 transitions. [2018-10-26 22:16:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 22:16:01,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 969 states and 1214 transitions. [2018-10-26 22:16:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1214 transitions. [2018-10-26 22:16:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:16:03,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:16:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1027 states and 1275 transitions. [2018-10-26 22:16:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1275 transitions. [2018-10-26 22:16:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:16:04,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 22:16:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1028 states and 1275 transitions. [2018-10-26 22:16:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1275 transitions. [2018-10-26 22:16:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:16:04,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:16:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1095 states and 1350 transitions. [2018-10-26 22:16:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1350 transitions. [2018-10-26 22:16:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 22:16:06,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 22:16:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1100 states and 1355 transitions. [2018-10-26 22:16:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1355 transitions. [2018-10-26 22:16:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 22:16:07,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:16:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1120 states and 1395 transitions. [2018-10-26 22:16:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1395 transitions. [2018-10-26 22:16:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 22:16:09,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 22:16:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1144 states and 1423 transitions. [2018-10-26 22:16:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1423 transitions. [2018-10-26 22:16:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 22:16:11,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:16:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1145 states and 1424 transitions. [2018-10-26 22:16:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1424 transitions. [2018-10-26 22:16:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:16:11,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:16:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1166 states and 1458 transitions. [2018-10-26 22:16:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1458 transitions. [2018-10-26 22:16:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 22:16:12,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 22:16:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:13,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1172 states and 1466 transitions. [2018-10-26 22:16:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1466 transitions. [2018-10-26 22:16:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:16:13,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:16,058 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-10-26 22:16:16,649 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-26 22:16:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1187 states and 1485 transitions. [2018-10-26 22:16:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1485 transitions. [2018-10-26 22:16:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:16:16,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1191 states and 1489 transitions. [2018-10-26 22:16:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1489 transitions. [2018-10-26 22:16:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:16:17,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1206 states and 1505 transitions. [2018-10-26 22:16:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1505 transitions. [2018-10-26 22:16:18,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:16:18,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1211 states and 1509 transitions. [2018-10-26 22:16:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1509 transitions. [2018-10-26 22:16:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 22:16:19,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:19,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:16:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1212 states and 1510 transitions. [2018-10-26 22:16:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1510 transitions. [2018-10-26 22:16:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 22:16:20,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:16:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1230 states and 1534 transitions. [2018-10-26 22:16:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1534 transitions. [2018-10-26 22:16:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 22:16:23,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 22:16:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1320 states and 1628 transitions. [2018-10-26 22:16:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1628 transitions. [2018-10-26 22:16:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:16:24,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1394 states and 1710 transitions. [2018-10-26 22:16:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1710 transitions. [2018-10-26 22:16:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:16:27,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:16:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1395 states and 1710 transitions. [2018-10-26 22:16:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1710 transitions. [2018-10-26 22:16:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 22:16:27,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:16:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1409 states and 1727 transitions. [2018-10-26 22:16:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1727 transitions. [2018-10-26 22:16:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:16:28,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:16:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1454 states and 1774 transitions. [2018-10-26 22:16:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1774 transitions. [2018-10-26 22:16:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 22:16:33,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:16:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1457 states and 1778 transitions. [2018-10-26 22:16:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1778 transitions. [2018-10-26 22:16:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 22:16:34,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 22:16:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1474 states and 1799 transitions. [2018-10-26 22:16:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1799 transitions. [2018-10-26 22:16:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 22:16:34,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:16:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1545 states and 1873 transitions. [2018-10-26 22:16:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1873 transitions. [2018-10-26 22:16:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 22:16:35,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-10-26 22:16:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1549 states and 1876 transitions. [2018-10-26 22:16:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1876 transitions. [2018-10-26 22:16:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:16:36,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-10-26 22:16:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1550 states and 1877 transitions. [2018-10-26 22:16:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1877 transitions. [2018-10-26 22:16:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 22:16:36,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:16:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:16:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-10-26 22:16:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:16:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1476 states and 1800 transitions. [2018-10-26 22:16:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1800 transitions. [2018-10-26 22:16:37,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:16:37,411 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 91 iterations. [2018-10-26 22:16:37,420 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:16:37,530 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2018-10-26 22:16:38,412 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-10-26 22:16:38,847 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-10-26 22:16:39,074 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2018-10-26 22:16:39,654 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2018-10-26 22:16:40,028 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 12 [2018-10-26 22:16:40,206 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2018-10-26 22:16:40,671 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 37 [2018-10-26 22:16:40,924 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2018-10-26 22:16:41,275 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-10-26 22:16:41,560 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2018-10-26 22:16:41,899 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2018-10-26 22:16:42,468 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-10-26 22:16:42,541 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:16:42,543 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 22:16:42,549 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 22:16:42,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:16:42 ImpRootNode [2018-10-26 22:16:42,550 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:16:42,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:16:42,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:16:42,551 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:16:42,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:15:01" (3/4) ... [2018-10-26 22:16:42,556 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:16:42,580 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 22:16:42,587 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 22:16:42,588 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-26 22:16:42,588 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:16:42,728 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f706bfc1-1056-4e02-b669-a374f1076d73/bin-2019/ukojak/witness.graphml [2018-10-26 22:16:42,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:16:42,729 INFO L168 Benchmark]: Toolchain (without parser) took 106983.15 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 951.8 MB in the beginning and 1.3 GB in the end (delta: -377.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,730 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:16:42,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 920.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.91 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 912.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,730 INFO L168 Benchmark]: Boogie Preprocessor took 178.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -235.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,731 INFO L168 Benchmark]: RCFGBuilder took 5030.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.6 MB in the end (delta: 224.9 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,731 INFO L168 Benchmark]: CodeCheck took 100951.92 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 923.6 MB in the beginning and 1.4 GB in the end (delta: -435.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,731 INFO L168 Benchmark]: Witness Printer took 177.93 ms. Allocated memory is still 2.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:16:42,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 95.7s OverallTime, 91 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2104748448 SDtfs, 4821656 SDslu, -1704936704 SDs, 0 SdLazy, -1552456472 SolverSat, 791187696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 380.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82298 GetRequests, 79578 SyntacticMatches, 1794 SemanticMatches, 926 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573028 ImplicationChecksByTransitivity, 80.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 12452 NumberOfCodeBlocks, 12452 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 12362 ConstructedInterpolants, 0 QuantifiedInterpolants, 8666911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 75 PerfectInterpolantSequences, 8496/8687 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: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || a7 == 1) || !(a17 == 1)) || a20 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 920.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.91 ms. Allocated memory is still 1.0 GB. Free memory was 920.9 MB in the beginning and 912.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 178.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -235.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5030.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.6 MB in the end (delta: 224.9 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. * CodeCheck took 100951.92 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 923.6 MB in the beginning and 1.4 GB in the end (delta: -435.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 177.93 ms. Allocated memory is still 2.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...