./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/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 eb8eeb6e67f290f9d56e698aa8c9c7a779115813 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:10:29,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:10:29,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:10:29,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:10:29,109 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:10:29,109 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:10:29,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:10:29,112 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:10:29,113 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:10:29,113 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:10:29,114 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:10:29,114 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:10:29,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:10:29,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:10:29,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:10:29,117 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:10:29,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:10:29,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:10:29,120 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:10:29,121 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:10:29,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:10:29,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:10:29,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:10:29,125 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:10:29,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:10:29,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:10:29,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:10:29,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:10:29,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:10:29,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:10:29,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:10:29,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:10:29,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:10:29,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:10:29,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:10:29,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:10:29,131 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:10:29,141 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:10:29,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:10:29,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:10:29,142 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:10:29,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:10:29,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:10:29,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:10:29,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:10:29,144 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:10:29,144 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:10:29,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:10:29,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:10:29,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:10:29,145 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:10:29,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:10:29,145 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:10:29,146 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:10:29,146 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:10:29,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:10:29,146 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_3fc92f22-9b47-4f1f-badc-826c650353ea/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 -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813 [2018-11-23 00:10:29,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:10:29,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:10:29,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:10:29,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:10:29,179 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:10:29,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-11-23 00:10:29,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/data/f694dbff0/a54e56ffc1b54d0c80d9e1768b02f018/FLAG775886273 [2018-11-23 00:10:29,657 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:10:29,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-11-23 00:10:29,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/data/f694dbff0/a54e56ffc1b54d0c80d9e1768b02f018/FLAG775886273 [2018-11-23 00:10:29,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/data/f694dbff0/a54e56ffc1b54d0c80d9e1768b02f018 [2018-11-23 00:10:29,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:10:29,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:10:29,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:10:29,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:10:29,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:10:29,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:29" (1/1) ... [2018-11-23 00:10:29,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:29, skipping insertion in model container [2018-11-23 00:10:29,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:10:29" (1/1) ... [2018-11-23 00:10:29,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:10:29,728 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:10:29,978 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:10:29,981 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:10:30,048 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:10:30,061 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:10:30,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30 WrapperNode [2018-11-23 00:10:30,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:10:30,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:10:30,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:10:30,062 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:10:30,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:10:30,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:10:30,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:10:30,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:10:30,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... [2018-11-23 00:10:30,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:10:30,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:10:30,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:10:30,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:10:30,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:10:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:10:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:10:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:10:30,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:10:31,540 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:10:31,540 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:10:31,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:31 BoogieIcfgContainer [2018-11-23 00:10:31,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:10:31,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:10:31,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:10:31,549 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:10:31,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:31" (1/1) ... [2018-11-23 00:10:31,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:10:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 00:10:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 00:10:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 00:10:31,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:32,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-11-23 00:10:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-11-23 00:10:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 00:10:32,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-11-23 00:10:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-11-23 00:10:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 00:10:32,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-11-23 00:10:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-11-23 00:10:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 00:10:32,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-11-23 00:10:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-11-23 00:10:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 00:10:32,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-11-23 00:10:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-11-23 00:10:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 00:10:33,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 00:10:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-11-23 00:10:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-11-23 00:10:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 00:10:33,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-11-23 00:10:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-11-23 00:10:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:33,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 275 states and 392 transitions. [2018-11-23 00:10:34,273 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 392 transitions. [2018-11-23 00:10:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:34,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 281 states and 400 transitions. [2018-11-23 00:10:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 400 transitions. [2018-11-23 00:10:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:34,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 284 states and 404 transitions. [2018-11-23 00:10:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 404 transitions. [2018-11-23 00:10:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:34,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 286 states and 407 transitions. [2018-11-23 00:10:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 407 transitions. [2018-11-23 00:10:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:34,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 289 states and 410 transitions. [2018-11-23 00:10:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 410 transitions. [2018-11-23 00:10:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 00:10:35,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-11-23 00:10:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-11-23 00:10:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 00:10:35,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-11-23 00:10:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-11-23 00:10:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 00:10:35,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 305 states and 434 transitions. [2018-11-23 00:10:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 434 transitions. [2018-11-23 00:10:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 00:10:35,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 307 states and 435 transitions. [2018-11-23 00:10:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 435 transitions. [2018-11-23 00:10:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 00:10:35,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-11-23 00:10:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-11-23 00:10:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 00:10:36,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-11-23 00:10:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-11-23 00:10:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 00:10:36,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 317 states and 446 transitions. [2018-11-23 00:10:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 446 transitions. [2018-11-23 00:10:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:10:37,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 327 states and 460 transitions. [2018-11-23 00:10:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 460 transitions. [2018-11-23 00:10:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:10:37,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 330 states and 464 transitions. [2018-11-23 00:10:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 464 transitions. [2018-11-23 00:10:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:10:38,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:10:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 332 states and 465 transitions. [2018-11-23 00:10:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 465 transitions. [2018-11-23 00:10:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 00:10:38,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 346 states and 479 transitions. [2018-11-23 00:10:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 479 transitions. [2018-11-23 00:10:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 00:10:38,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 391 states and 528 transitions. [2018-11-23 00:10:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 528 transitions. [2018-11-23 00:10:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 00:10:38,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:10:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 398 states and 537 transitions. [2018-11-23 00:10:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 537 transitions. [2018-11-23 00:10:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 00:10:38,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 00:10:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 416 states and 557 transitions. [2018-11-23 00:10:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 557 transitions. [2018-11-23 00:10:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 00:10:39,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 00:10:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 444 states and 598 transitions. [2018-11-23 00:10:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 598 transitions. [2018-11-23 00:10:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 00:10:41,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 00:10:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 449 states and 602 transitions. [2018-11-23 00:10:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 602 transitions. [2018-11-23 00:10:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 00:10:41,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 514 states and 669 transitions. [2018-11-23 00:10:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 669 transitions. [2018-11-23 00:10:42,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 00:10:42,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:10:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 515 states and 669 transitions. [2018-11-23 00:10:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 669 transitions. [2018-11-23 00:10:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 00:10:42,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 583 states and 752 transitions. [2018-11-23 00:10:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 752 transitions. [2018-11-23 00:10:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 00:10:44,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 591 states and 760 transitions. [2018-11-23 00:10:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2018-11-23 00:10:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 00:10:45,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 660 states and 834 transitions. [2018-11-23 00:10:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 834 transitions. [2018-11-23 00:10:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 00:10:46,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 00:10:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 671 states and 850 transitions. [2018-11-23 00:10:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2018-11-23 00:10:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 00:10:47,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 00:10:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 674 states and 853 transitions. [2018-11-23 00:10:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 853 transitions. [2018-11-23 00:10:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 00:10:48,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 00:10:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 675 states and 853 transitions. [2018-11-23 00:10:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 853 transitions. [2018-11-23 00:10:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 00:10:48,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:10:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 700 states and 885 transitions. [2018-11-23 00:10:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 885 transitions. [2018-11-23 00:10:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 00:10:49,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:10:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 704 states and 890 transitions. [2018-11-23 00:10:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 890 transitions. [2018-11-23 00:10:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 00:10:50,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:10:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 706 states and 891 transitions. [2018-11-23 00:10:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 891 transitions. [2018-11-23 00:10:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 00:10:50,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:10:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 708 states and 893 transitions. [2018-11-23 00:10:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 893 transitions. [2018-11-23 00:10:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 00:10:50,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 00:10:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 719 states and 909 transitions. [2018-11-23 00:10:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 909 transitions. [2018-11-23 00:10:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 00:10:51,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 00:10:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 721 states and 910 transitions. [2018-11-23 00:10:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 910 transitions. [2018-11-23 00:10:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 00:10:51,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 00:10:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 740 states and 938 transitions. [2018-11-23 00:10:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 938 transitions. [2018-11-23 00:10:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 00:10:52,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 00:10:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 742 states and 940 transitions. [2018-11-23 00:10:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 940 transitions. [2018-11-23 00:10:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 00:10:52,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 810 states and 1022 transitions. [2018-11-23 00:10:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1022 transitions. [2018-11-23 00:10:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 00:10:57,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:10:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 829 states and 1043 transitions. [2018-11-23 00:10:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1043 transitions. [2018-11-23 00:10:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 00:10:58,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 00:10:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:10:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 899 states and 1120 transitions. [2018-11-23 00:10:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1120 transitions. [2018-11-23 00:10:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 00:10:59,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:10:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:10:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:11:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 908 states and 1139 transitions. [2018-11-23 00:11:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1139 transitions. [2018-11-23 00:11:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 00:11:01,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:11:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 909 states and 1139 transitions. [2018-11-23 00:11:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1139 transitions. [2018-11-23 00:11:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 00:11:01,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 00:11:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 912 states and 1142 transitions. [2018-11-23 00:11:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1142 transitions. [2018-11-23 00:11:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 00:11:02,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:11:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 957 states and 1194 transitions. [2018-11-23 00:11:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1194 transitions. [2018-11-23 00:11:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 00:11:03,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:11:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 960 states and 1198 transitions. [2018-11-23 00:11:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1198 transitions. [2018-11-23 00:11:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 00:11:03,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:11:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 963 states and 1201 transitions. [2018-11-23 00:11:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1201 transitions. [2018-11-23 00:11:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:11:04,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:11:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1032 states and 1289 transitions. [2018-11-23 00:11:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1289 transitions. [2018-11-23 00:11:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:11:09,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:11:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1051 states and 1310 transitions. [2018-11-23 00:11:10,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1310 transitions. [2018-11-23 00:11:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 00:11:10,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 00:11:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1092 states and 1355 transitions. [2018-11-23 00:11:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1355 transitions. [2018-11-23 00:11:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 00:11:12,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 00:11:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1106 states and 1369 transitions. [2018-11-23 00:11:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1369 transitions. [2018-11-23 00:11:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 00:11:13,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 00:11:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1135 states and 1398 transitions. [2018-11-23 00:11:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1398 transitions. [2018-11-23 00:11:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 00:11:13,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:11:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1139 states and 1405 transitions. [2018-11-23 00:11:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1405 transitions. [2018-11-23 00:11:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 00:11:16,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:11:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1142 states and 1409 transitions. [2018-11-23 00:11:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1409 transitions. [2018-11-23 00:11:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 00:11:16,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 00:11:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1212 states and 1482 transitions. [2018-11-23 00:11:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1482 transitions. [2018-11-23 00:11:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 00:11:17,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 00:11:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1237 states and 1507 transitions. [2018-11-23 00:11:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1507 transitions. [2018-11-23 00:11:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 00:11:18,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 00:11:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1285 states and 1562 transitions. [2018-11-23 00:11:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1562 transitions. [2018-11-23 00:11:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 00:11:23,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 00:11:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1285 states and 1561 transitions. [2018-11-23 00:11:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1561 transitions. [2018-11-23 00:11:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 00:11:23,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-23 00:11:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1355 states and 1634 transitions. [2018-11-23 00:11:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1634 transitions. [2018-11-23 00:11:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 00:11:24,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:11:26,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1368 states and 1651 transitions. [2018-11-23 00:11:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1651 transitions. [2018-11-23 00:11:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 00:11:26,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:11:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1376 states and 1661 transitions. [2018-11-23 00:11:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1661 transitions. [2018-11-23 00:11:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 00:11:27,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-23 00:11:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1379 states and 1667 transitions. [2018-11-23 00:11:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1667 transitions. [2018-11-23 00:11:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 00:11:28,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 00:11:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1415 states and 1708 transitions. [2018-11-23 00:11:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1708 transitions. [2018-11-23 00:11:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 00:11:35,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 00:11:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1418 states and 1712 transitions. [2018-11-23 00:11:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1712 transitions. [2018-11-23 00:11:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 00:11:36,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 00:11:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1468 states and 1766 transitions. [2018-11-23 00:11:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1766 transitions. [2018-11-23 00:11:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 00:11:43,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 00:11:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1473 states and 1774 transitions. [2018-11-23 00:11:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1774 transitions. [2018-11-23 00:11:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 00:11:45,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 00:11:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1484 states and 1787 transitions. [2018-11-23 00:11:47,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1787 transitions. [2018-11-23 00:11:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 00:11:47,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 00:11:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1548 states and 1857 transitions. [2018-11-23 00:11:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1857 transitions. [2018-11-23 00:11:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 00:11:55,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 00:11:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1553 states and 1862 transitions. [2018-11-23 00:11:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1862 transitions. [2018-11-23 00:11:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 00:11:57,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 00:11:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1554 states and 1863 transitions. [2018-11-23 00:11:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1863 transitions. [2018-11-23 00:11:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-23 00:11:58,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 282 proven. 4 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-23 00:11:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1559 states and 1869 transitions. [2018-11-23 00:11:58,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1869 transitions. [2018-11-23 00:11:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 00:11:58,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 00:11:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1585 states and 1901 transitions. [2018-11-23 00:11:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1901 transitions. [2018-11-23 00:11:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-23 00:11:58,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 00:11:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:11:58,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1586 states and 1901 transitions. [2018-11-23 00:11:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1901 transitions. [2018-11-23 00:11:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 00:11:58,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:11:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:12:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 00:12:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:12:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1699 states and 2051 transitions. [2018-11-23 00:12:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2051 transitions. [2018-11-23 00:12:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-23 00:12:10,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:12:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:12:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 423 proven. 8 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2018-11-23 00:12:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:12:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1560 states and 1907 transitions. [2018-11-23 00:12:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1907 transitions. [2018-11-23 00:12:11,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:12:11,447 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 82 iterations. [2018-11-23 00:12:11,453 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:12:12,056 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 25 [2018-11-23 00:12:14,421 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 25 [2018-11-23 00:12:14,984 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 50 [2018-11-23 00:12:15,276 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2018-11-23 00:12:15,624 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:12:15,626 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 00:12:15,631 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-23 00:12:15,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:12:15 ImpRootNode [2018-11-23 00:12:15,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:12:15,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:12:15,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:12:15,632 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:12:15,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:10:31" (3/4) ... [2018-11-23 00:12:15,635 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:12:15,648 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 00:12:15,649 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 00:12:15,650 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:12:15,651 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:12:15,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fc92f22-9b47-4f1f-badc-826c650353ea/bin-2019/ukojak/witness.graphml [2018-11-23 00:12:15,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:12:15,747 INFO L168 Benchmark]: Toolchain (without parser) took 106064.54 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 951.1 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 320.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,747 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:12:15,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.99 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -246.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,748 INFO L168 Benchmark]: Boogie Preprocessor took 43.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,748 INFO L168 Benchmark]: RCFGBuilder took 1308.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 929.9 MB in the end (delta: 226.9 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,748 INFO L168 Benchmark]: CodeCheck took 104090.86 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 929.9 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,749 INFO L168 Benchmark]: Witness Printer took 113.56 ms. Allocated memory is still 3.1 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 33.2 kB). Peak memory consumption was 33.2 kB. Max. memory is 11.5 GB. [2018-11-23 00:12:15,751 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 99.8s OverallTime, 82 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 835157756 SDtfs, 373831426 SDslu, 988722066 SDs, 0 SdLazy, 2097517400 SolverSat, -969842908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 169.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93674 GetRequests, 90228 SyntacticMatches, 2310 SemanticMatches, 1136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959366 ImplicationChecksByTransitivity, 87.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 14121 NumberOfCodeBlocks, 14121 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 14040 ConstructedInterpolants, 0 QuantifiedInterpolants, 18180505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 81 InterpolantComputations, 64 PerfectInterpolantSequences, 15505/15789 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: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a7 == 1)) || !(a17 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.99 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -246.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1308.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 929.9 MB in the end (delta: 226.9 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. * CodeCheck took 104090.86 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 929.9 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 113.56 ms. Allocated memory is still 3.1 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 33.2 kB). Peak memory consumption was 33.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...