./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/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 083cea80584760e424718c2c8c78f2ce2da05adc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 02:57:42,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 02:57:42,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 02:57:42,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 02:57:42,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 02:57:42,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 02:57:42,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 02:57:42,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 02:57:42,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 02:57:42,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 02:57:42,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 02:57:42,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 02:57:42,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 02:57:42,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 02:57:42,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 02:57:42,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 02:57:42,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 02:57:42,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 02:57:42,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 02:57:42,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 02:57:42,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 02:57:42,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 02:57:42,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 02:57:42,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 02:57:42,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 02:57:42,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 02:57:42,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 02:57:42,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 02:57:42,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 02:57:42,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 02:57:42,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 02:57:42,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 02:57:42,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 02:57:42,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 02:57:42,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 02:57:42,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 02:57:42,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 02:57:42,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 02:57:42,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 02:57:42,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 02:57:42,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 02:57:42,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 02:57:42,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 02:57:42,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 02:57:42,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 02:57:42,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 02:57:42,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 02:57:42,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 02:57:42,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 02:57:42,210 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 02:57:42,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 02:57:42,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 02:57:42,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 02:57:42,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/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 -> 083cea80584760e424718c2c8c78f2ce2da05adc [2019-12-01 02:57:42,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 02:57:42,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 02:57:42,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 02:57:42,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 02:57:42,325 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 02:57:42,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c [2019-12-01 02:57:42,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/data/4e0391780/912a8cdd3b334a5da083b5e0828d3b61/FLAGa490cebd0 [2019-12-01 02:57:42,802 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 02:57:42,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/sv-benchmarks/c/eca-rers2012/Problem01_label49.c [2019-12-01 02:57:42,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/data/4e0391780/912a8cdd3b334a5da083b5e0828d3b61/FLAGa490cebd0 [2019-12-01 02:57:42,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/data/4e0391780/912a8cdd3b334a5da083b5e0828d3b61 [2019-12-01 02:57:42,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 02:57:42,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 02:57:42,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 02:57:42,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 02:57:42,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 02:57:42,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:42" (1/1) ... [2019-12-01 02:57:42,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bd7740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:42, skipping insertion in model container [2019-12-01 02:57:42,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:57:42" (1/1) ... [2019-12-01 02:57:42,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 02:57:42,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 02:57:43,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:57:43,125 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 02:57:43,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:57:43,211 INFO L208 MainTranslator]: Completed translation [2019-12-01 02:57:43,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43 WrapperNode [2019-12-01 02:57:43,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 02:57:43,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 02:57:43,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 02:57:43,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 02:57:43,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 02:57:43,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 02:57:43,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 02:57:43,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 02:57:43,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... [2019-12-01 02:57:43,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 02:57:43,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 02:57:43,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 02:57:43,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 02:57:43,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:57:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/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 [2019-12-01 02:57:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 02:57:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 02:57:44,404 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 02:57:44,404 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 02:57:44,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:44 BoogieIcfgContainer [2019-12-01 02:57:44,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 02:57:44,406 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 02:57:44,406 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 02:57:44,413 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 02:57:44,413 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:44" (1/1) ... [2019-12-01 02:57:44,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 02:57:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 02:57:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 02:57:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 02:57:44,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2019-12-01 02:57:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2019-12-01 02:57:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 02:57:45,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2019-12-01 02:57:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2019-12-01 02:57:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 02:57:45,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 220 states and 323 transitions. [2019-12-01 02:57:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions. [2019-12-01 02:57:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 02:57:45,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 289 states and 395 transitions. [2019-12-01 02:57:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 395 transitions. [2019-12-01 02:57:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 02:57:46,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2019-12-01 02:57:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2019-12-01 02:57:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 02:57:46,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 303 states and 415 transitions. [2019-12-01 02:57:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 415 transitions. [2019-12-01 02:57:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 02:57:46,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 304 states and 417 transitions. [2019-12-01 02:57:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 417 transitions. [2019-12-01 02:57:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 02:57:46,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2019-12-01 02:57:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2019-12-01 02:57:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 02:57:47,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 330 states and 454 transitions. [2019-12-01 02:57:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 454 transitions. [2019-12-01 02:57:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 02:57:47,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 331 states and 456 transitions. [2019-12-01 02:57:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 456 transitions. [2019-12-01 02:57:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 02:57:47,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 332 states and 458 transitions. [2019-12-01 02:57:47,956 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 458 transitions. [2019-12-01 02:57:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 02:57:47,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:48,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 343 states and 470 transitions. [2019-12-01 02:57:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 470 transitions. [2019-12-01 02:57:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 02:57:48,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:57:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 356 states and 486 transitions. [2019-12-01 02:57:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 486 transitions. [2019-12-01 02:57:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 02:57:48,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 374 states and 509 transitions. [2019-12-01 02:57:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 509 transitions. [2019-12-01 02:57:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 02:57:49,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 384 states and 521 transitions. [2019-12-01 02:57:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 521 transitions. [2019-12-01 02:57:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 02:57:49,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 385 states and 522 transitions. [2019-12-01 02:57:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2019-12-01 02:57:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 02:57:49,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 392 states and 530 transitions. [2019-12-01 02:57:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 530 transitions. [2019-12-01 02:57:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 02:57:49,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 394 states and 531 transitions. [2019-12-01 02:57:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 531 transitions. [2019-12-01 02:57:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 02:57:49,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 409 states and 550 transitions. [2019-12-01 02:57:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 550 transitions. [2019-12-01 02:57:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 02:57:50,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 02:57:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 422 states and 568 transitions. [2019-12-01 02:57:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 568 transitions. [2019-12-01 02:57:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 02:57:50,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 423 states and 570 transitions. [2019-12-01 02:57:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 570 transitions. [2019-12-01 02:57:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 02:57:50,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 431 states and 579 transitions. [2019-12-01 02:57:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 579 transitions. [2019-12-01 02:57:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 02:57:50,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 432 states and 581 transitions. [2019-12-01 02:57:50,821 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 581 transitions. [2019-12-01 02:57:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 02:57:50,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:51,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 449 states and 599 transitions. [2019-12-01 02:57:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 599 transitions. [2019-12-01 02:57:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 02:57:51,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 02:57:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 450 states and 601 transitions. [2019-12-01 02:57:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 601 transitions. [2019-12-01 02:57:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 02:57:51,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:57:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 451 states and 603 transitions. [2019-12-01 02:57:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 603 transitions. [2019-12-01 02:57:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 02:57:51,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:57:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 453 states and 605 transitions. [2019-12-01 02:57:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 605 transitions. [2019-12-01 02:57:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 02:57:51,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 02:57:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 454 states and 606 transitions. [2019-12-01 02:57:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 606 transitions. [2019-12-01 02:57:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 02:57:51,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 471 states and 625 transitions. [2019-12-01 02:57:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 625 transitions. [2019-12-01 02:57:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 02:57:52,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 482 states and 635 transitions. [2019-12-01 02:57:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 635 transitions. [2019-12-01 02:57:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 02:57:52,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 02:57:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 487 states and 640 transitions. [2019-12-01 02:57:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 640 transitions. [2019-12-01 02:57:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 02:57:52,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 496 states and 649 transitions. [2019-12-01 02:57:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 649 transitions. [2019-12-01 02:57:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 02:57:52,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 566 states and 730 transitions. [2019-12-01 02:57:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2019-12-01 02:57:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 02:57:53,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 02:57:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 571 states and 735 transitions. [2019-12-01 02:57:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 735 transitions. [2019-12-01 02:57:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 02:57:53,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:57:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 579 states and 743 transitions. [2019-12-01 02:57:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 743 transitions. [2019-12-01 02:57:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 02:57:53,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:57:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 589 states and 753 transitions. [2019-12-01 02:57:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 753 transitions. [2019-12-01 02:57:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 02:57:53,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:57:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 590 states and 754 transitions. [2019-12-01 02:57:53,869 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 754 transitions. [2019-12-01 02:57:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 02:57:53,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 599 states and 767 transitions. [2019-12-01 02:57:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 767 transitions. [2019-12-01 02:57:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 02:57:54,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 607 states and 778 transitions. [2019-12-01 02:57:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 778 transitions. [2019-12-01 02:57:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 02:57:54,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 610 states and 783 transitions. [2019-12-01 02:57:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 783 transitions. [2019-12-01 02:57:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-01 02:57:54,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:55,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 633 states and 810 transitions. [2019-12-01 02:57:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 810 transitions. [2019-12-01 02:57:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 02:57:55,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 02:57:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 642 states and 831 transitions. [2019-12-01 02:57:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 831 transitions. [2019-12-01 02:57:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-01 02:57:56,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 645 states and 834 transitions. [2019-12-01 02:57:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 834 transitions. [2019-12-01 02:57:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 02:57:56,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:57:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:57:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 648 states and 837 transitions. [2019-12-01 02:57:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 837 transitions. [2019-12-01 02:57:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 02:57:56,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:57:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:57:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 704 states and 899 transitions. [2019-12-01 02:58:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 899 transitions. [2019-12-01 02:58:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 02:58:00,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 02:58:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 719 states and 919 transitions. [2019-12-01 02:58:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 919 transitions. [2019-12-01 02:58:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 02:58:01,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 02:58:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 721 states and 921 transitions. [2019-12-01 02:58:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 921 transitions. [2019-12-01 02:58:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 02:58:01,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:58:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 724 states and 925 transitions. [2019-12-01 02:58:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 925 transitions. [2019-12-01 02:58:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 02:58:01,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 02:58:02,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 746 states and 946 transitions. [2019-12-01 02:58:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 946 transitions. [2019-12-01 02:58:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 02:58:02,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 777 states and 977 transitions. [2019-12-01 02:58:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 977 transitions. [2019-12-01 02:58:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 02:58:02,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 02:58:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 778 states and 978 transitions. [2019-12-01 02:58:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 978 transitions. [2019-12-01 02:58:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 02:58:02,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 02:58:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 791 states and 991 transitions. [2019-12-01 02:58:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 991 transitions. [2019-12-01 02:58:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 02:58:02,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 02:58:05,734 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 02:58:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:07,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 856 states and 1059 transitions. [2019-12-01 02:58:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1059 transitions. [2019-12-01 02:58:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 02:58:07,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:11,377 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-12-01 02:58:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 879 states and 1092 transitions. [2019-12-01 02:58:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1092 transitions. [2019-12-01 02:58:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 02:58:14,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 894 states and 1114 transitions. [2019-12-01 02:58:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1114 transitions. [2019-12-01 02:58:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 02:58:18,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 904 states and 1123 transitions. [2019-12-01 02:58:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1123 transitions. [2019-12-01 02:58:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 02:58:18,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 906 states and 1124 transitions. [2019-12-01 02:58:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1124 transitions. [2019-12-01 02:58:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 02:58:19,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 907 states and 1125 transitions. [2019-12-01 02:58:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1125 transitions. [2019-12-01 02:58:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 02:58:19,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:58:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 910 states and 1130 transitions. [2019-12-01 02:58:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1130 transitions. [2019-12-01 02:58:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 02:58:19,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 02:58:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 930 states and 1163 transitions. [2019-12-01 02:58:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1163 transitions. [2019-12-01 02:58:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 02:58:21,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 02:58:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 999 states and 1233 transitions. [2019-12-01 02:58:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1233 transitions. [2019-12-01 02:58:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 02:58:22,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 02:58:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1003 states and 1243 transitions. [2019-12-01 02:58:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1243 transitions. [2019-12-01 02:58:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 02:58:23,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 02:58:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1009 states and 1251 transitions. [2019-12-01 02:58:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1251 transitions. [2019-12-01 02:58:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 02:58:24,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 02:58:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1013 states and 1258 transitions. [2019-12-01 02:58:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1258 transitions. [2019-12-01 02:58:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 02:58:24,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 02:58:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1021 states and 1265 transitions. [2019-12-01 02:58:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1265 transitions. [2019-12-01 02:58:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 02:58:25,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 02:58:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1028 states and 1275 transitions. [2019-12-01 02:58:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1275 transitions. [2019-12-01 02:58:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 02:58:28,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 02:58:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1033 states and 1286 transitions. [2019-12-01 02:58:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1286 transitions. [2019-12-01 02:58:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 02:58:31,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 02:58:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1041 states and 1303 transitions. [2019-12-01 02:58:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1303 transitions. [2019-12-01 02:58:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 02:58:32,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:58:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1042 states and 1305 transitions. [2019-12-01 02:58:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1305 transitions. [2019-12-01 02:58:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 02:58:38,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:58:39,537 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 02:58:40,514 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 02:58:41,579 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 02:58:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1067 states and 1335 transitions. [2019-12-01 02:58:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1335 transitions. [2019-12-01 02:58:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 02:58:43,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:58:46,340 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 02:58:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1095 states and 1365 transitions. [2019-12-01 02:58:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1365 transitions. [2019-12-01 02:58:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 02:58:48,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 02:58:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1098 states and 1368 transitions. [2019-12-01 02:58:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1368 transitions. [2019-12-01 02:58:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 02:58:48,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 02:58:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1099 states and 1370 transitions. [2019-12-01 02:58:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1370 transitions. [2019-12-01 02:58:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 02:58:48,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 119 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 02:58:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1103 states and 1374 transitions. [2019-12-01 02:58:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1374 transitions. [2019-12-01 02:58:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 02:58:48,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-01 02:58:53,467 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-01 02:58:54,947 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-12-01 02:58:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1154 states and 1443 transitions. [2019-12-01 02:58:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1443 transitions. [2019-12-01 02:58:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 02:58:56,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 02:58:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:58:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1155 states and 1447 transitions. [2019-12-01 02:58:56,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1447 transitions. [2019-12-01 02:58:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 02:58:56,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:58:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:58:58,120 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-12-01 02:58:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:59:03,054 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-12-01 02:59:04,679 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 02:59:06,353 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 02:59:07,776 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 02:59:11,195 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 02:59:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1194 states and 1491 transitions. [2019-12-01 02:59:12,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1491 transitions. [2019-12-01 02:59:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 02:59:12,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:59:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1203 states and 1501 transitions. [2019-12-01 02:59:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1501 transitions. [2019-12-01 02:59:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 02:59:14,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:59:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1230 states and 1526 transitions. [2019-12-01 02:59:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1526 transitions. [2019-12-01 02:59:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 02:59:15,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 02:59:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1232 states and 1527 transitions. [2019-12-01 02:59:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1527 transitions. [2019-12-01 02:59:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 02:59:16,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-01 02:59:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1233 states and 1528 transitions. [2019-12-01 02:59:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1528 transitions. [2019-12-01 02:59:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:16,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1250 states and 1556 transitions. [2019-12-01 02:59:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1556 transitions. [2019-12-01 02:59:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:19,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1251 states and 1560 transitions. [2019-12-01 02:59:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1560 transitions. [2019-12-01 02:59:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:20,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1252 states and 1563 transitions. [2019-12-01 02:59:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1563 transitions. [2019-12-01 02:59:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:20,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1256 states and 1573 transitions. [2019-12-01 02:59:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1573 transitions. [2019-12-01 02:59:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:21,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1257 states and 1574 transitions. [2019-12-01 02:59:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1574 transitions. [2019-12-01 02:59:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:21,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1258 states and 1576 transitions. [2019-12-01 02:59:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1576 transitions. [2019-12-01 02:59:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:22,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1259 states and 1578 transitions. [2019-12-01 02:59:22,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1578 transitions. [2019-12-01 02:59:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 02:59:22,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 02:59:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:23,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1263 states and 1582 transitions. [2019-12-01 02:59:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1582 transitions. [2019-12-01 02:59:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 02:59:23,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 02:59:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1274 states and 1595 transitions. [2019-12-01 02:59:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1595 transitions. [2019-12-01 02:59:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 02:59:25,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 02:59:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1280 states and 1600 transitions. [2019-12-01 02:59:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1600 transitions. [2019-12-01 02:59:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-01 02:59:25,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-12-01 02:59:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1281 states and 1602 transitions. [2019-12-01 02:59:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1602 transitions. [2019-12-01 02:59:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 02:59:29,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:59:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1284 states and 1608 transitions. [2019-12-01 02:59:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1608 transitions. [2019-12-01 02:59:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 02:59:30,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 02:59:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1296 states and 1619 transitions. [2019-12-01 02:59:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1619 transitions. [2019-12-01 02:59:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:34,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1300 states and 1623 transitions. [2019-12-01 02:59:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1623 transitions. [2019-12-01 02:59:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:35,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:36,969 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 02:59:39,408 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 02:59:39,675 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-12-01 02:59:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1322 states and 1651 transitions. [2019-12-01 02:59:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1651 transitions. [2019-12-01 02:59:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:41,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:42,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1333 states and 1665 transitions. [2019-12-01 02:59:42,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1665 transitions. [2019-12-01 02:59:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:42,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1338 states and 1669 transitions. [2019-12-01 02:59:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1669 transitions. [2019-12-01 02:59:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:43,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1352 states and 1683 transitions. [2019-12-01 02:59:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1683 transitions. [2019-12-01 02:59:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:43,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1355 states and 1686 transitions. [2019-12-01 02:59:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1686 transitions. [2019-12-01 02:59:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 02:59:45,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 02:59:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1360 states and 1690 transitions. [2019-12-01 02:59:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1690 transitions. [2019-12-01 02:59:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 02:59:46,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 02:59:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1393 states and 1733 transitions. [2019-12-01 02:59:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1733 transitions. [2019-12-01 02:59:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-01 02:59:53,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 02:59:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1401 states and 1739 transitions. [2019-12-01 02:59:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1739 transitions. [2019-12-01 02:59:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 02:59:55,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 02:59:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1408 states and 1748 transitions. [2019-12-01 02:59:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1748 transitions. [2019-12-01 02:59:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 02:59:57,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:59:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 02:59:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:59:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1409 states and 1749 transitions. [2019-12-01 02:59:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1749 transitions. [2019-12-01 02:59:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-12-01 02:59:59,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:59:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:00,581 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2019-12-01 03:00:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1442 states and 1784 transitions. [2019-12-01 03:00:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1784 transitions. [2019-12-01 03:00:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:00:08,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 299 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:15,287 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-01 03:00:16,710 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-12-01 03:00:19,123 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2019-12-01 03:00:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1468 states and 1816 transitions. [2019-12-01 03:00:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1816 transitions. [2019-12-01 03:00:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:00:20,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 299 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:21,134 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 03:00:22,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1487 states and 1836 transitions. [2019-12-01 03:00:22,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1836 transitions. [2019-12-01 03:00:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 03:00:22,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 299 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1489 states and 1837 transitions. [2019-12-01 03:00:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1837 transitions. [2019-12-01 03:00:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-12-01 03:00:22,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 03:00:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1506 states and 1858 transitions. [2019-12-01 03:00:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1858 transitions. [2019-12-01 03:00:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 03:00:26,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 03:00:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1553 states and 1917 transitions. [2019-12-01 03:00:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1917 transitions. [2019-12-01 03:00:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-12-01 03:00:30,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:30,219 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 03:00:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1561 states and 1932 transitions. [2019-12-01 03:00:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1932 transitions. [2019-12-01 03:00:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-12-01 03:00:31,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 03:00:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1562 states and 1932 transitions. [2019-12-01 03:00:32,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1932 transitions. [2019-12-01 03:00:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-12-01 03:00:32,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-12-01 03:00:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1565 states and 1943 transitions. [2019-12-01 03:00:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1943 transitions. [2019-12-01 03:00:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-12-01 03:00:33,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 03:00:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1585 states and 1976 transitions. [2019-12-01 03:00:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1976 transitions. [2019-12-01 03:00:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-12-01 03:00:36,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 03:00:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1589 states and 1981 transitions. [2019-12-01 03:00:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1981 transitions. [2019-12-01 03:00:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-12-01 03:00:37,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 03:00:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1593 states and 1988 transitions. [2019-12-01 03:00:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1988 transitions. [2019-12-01 03:00:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 03:00:38,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:40,696 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-12-01 03:00:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:48,638 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-12-01 03:00:49,076 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2019-12-01 03:00:51,650 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-12-01 03:00:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:00:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1636 states and 2040 transitions. [2019-12-01 03:00:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2040 transitions. [2019-12-01 03:00:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 03:00:55,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:00:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:00:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 03:00:58,119 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-01 03:00:59,928 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-12-01 03:01:01,958 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 03:01:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1656 states and 2065 transitions. [2019-12-01 03:01:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2065 transitions. [2019-12-01 03:01:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-12-01 03:01:04,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-12-01 03:01:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1657 states and 2068 transitions. [2019-12-01 03:01:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2068 transitions. [2019-12-01 03:01:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-12-01 03:01:05,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-01 03:01:09,993 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 03:01:11,401 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 03:01:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1712 states and 2130 transitions. [2019-12-01 03:01:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2130 transitions. [2019-12-01 03:01:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-12-01 03:01:16,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-01 03:01:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1721 states and 2137 transitions. [2019-12-01 03:01:16,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2137 transitions. [2019-12-01 03:01:16,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 03:01:16,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-12-01 03:01:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1727 states and 2144 transitions. [2019-12-01 03:01:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2144 transitions. [2019-12-01 03:01:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-12-01 03:01:25,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:01:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1729 states and 2148 transitions. [2019-12-01 03:01:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2148 transitions. [2019-12-01 03:01:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-12-01 03:01:31,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:01:33,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1736 states and 2157 transitions. [2019-12-01 03:01:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2157 transitions. [2019-12-01 03:01:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-12-01 03:01:33,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 03:01:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1737 states and 2157 transitions. [2019-12-01 03:01:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2157 transitions. [2019-12-01 03:01:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-12-01 03:01:34,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:36,467 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-12-01 03:01:37,591 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-12-01 03:01:38,462 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 03:01:40,370 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-12-01 03:01:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-12-01 03:01:47,062 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 03:01:49,791 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 03:01:51,417 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-12-01 03:01:52,424 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 03:01:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1789 states and 2211 transitions. [2019-12-01 03:01:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2211 transitions. [2019-12-01 03:01:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-12-01 03:01:53,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-12-01 03:01:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:01:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1791 states and 2212 transitions. [2019-12-01 03:01:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2212 transitions. [2019-12-01 03:01:55,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-12-01 03:01:55,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:01:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:01:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 88 proven. 314 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-12-01 03:02:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1900 states and 2331 transitions. [2019-12-01 03:02:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2331 transitions. [2019-12-01 03:02:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 03:02:05,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-12-01 03:02:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2021 states and 2467 transitions. [2019-12-01 03:02:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2467 transitions. [2019-12-01 03:02:20,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 03:02:20,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 03:02:29,571 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-12-01 03:02:30,203 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-12-01 03:02:31,393 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-12-01 03:02:37,760 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-12-01 03:02:40,214 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-12-01 03:02:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2088 states and 2535 transitions. [2019-12-01 03:02:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2535 transitions. [2019-12-01 03:02:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 03:02:44,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 03:02:50,599 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 03:02:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2133 states and 2580 transitions. [2019-12-01 03:02:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2580 transitions. [2019-12-01 03:02:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 03:02:51,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 03:02:52,430 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 03:02:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2136 states and 2582 transitions. [2019-12-01 03:02:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2582 transitions. [2019-12-01 03:02:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 03:02:52,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 03:02:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:02:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2139 states and 2585 transitions. [2019-12-01 03:02:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2585 transitions. [2019-12-01 03:02:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 03:02:52,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:02:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:02:54,544 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-12-01 03:02:55,312 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 03:02:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 03:03:00,764 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 03:03:04,321 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 03:03:04,687 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 03:03:05,800 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 03:03:10,577 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 03:03:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2200 states and 2654 transitions. [2019-12-01 03:03:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2654 transitions. [2019-12-01 03:03:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 03:03:14,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-12-01 03:03:19,128 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 03:03:29,225 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 03:03:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2308 states and 2777 transitions. [2019-12-01 03:03:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2777 transitions. [2019-12-01 03:03:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 03:03:34,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-12-01 03:03:36,713 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-12-01 03:03:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2318 states and 2785 transitions. [2019-12-01 03:03:37,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2785 transitions. [2019-12-01 03:03:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 03:03:37,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 03:03:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2347 states and 2814 transitions. [2019-12-01 03:03:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2814 transitions. [2019-12-01 03:03:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 03:03:39,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 03:03:41,903 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 03:03:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2367 states and 2833 transitions. [2019-12-01 03:03:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2833 transitions. [2019-12-01 03:03:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-12-01 03:03:43,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:03:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2371 states and 2838 transitions. [2019-12-01 03:03:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2838 transitions. [2019-12-01 03:03:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-12-01 03:03:43,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:03:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2372 states and 2839 transitions. [2019-12-01 03:03:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2839 transitions. [2019-12-01 03:03:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-12-01 03:03:44,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:03:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2373 states and 2840 transitions. [2019-12-01 03:03:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 2840 transitions. [2019-12-01 03:03:45,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 03:03:45,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 03:03:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2388 states and 2856 transitions. [2019-12-01 03:03:46,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2856 transitions. [2019-12-01 03:03:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 03:03:46,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-12-01 03:03:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:03:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2408 states and 2878 transitions. [2019-12-01 03:03:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2878 transitions. [2019-12-01 03:03:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 03:03:54,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:03:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:03:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-12-01 03:03:58,826 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 03:04:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2419 states and 2891 transitions. [2019-12-01 03:04:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2891 transitions. [2019-12-01 03:04:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-12-01 03:04:00,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-12-01 03:04:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2433 states and 2904 transitions. [2019-12-01 03:04:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2904 transitions. [2019-12-01 03:04:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 03:04:02,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-12-01 03:04:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2434 states and 2908 transitions. [2019-12-01 03:04:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 2908 transitions. [2019-12-01 03:04:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-12-01 03:04:05,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-01 03:04:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2443 states and 2925 transitions. [2019-12-01 03:04:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 2925 transitions. [2019-12-01 03:04:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-12-01 03:04:12,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-01 03:04:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2444 states and 2928 transitions. [2019-12-01 03:04:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2928 transitions. [2019-12-01 03:04:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 03:04:13,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:04:26,921 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-12-01 03:04:29,844 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-12-01 03:04:34,152 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-12-01 03:04:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2490 states and 2984 transitions. [2019-12-01 03:04:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2984 transitions. [2019-12-01 03:04:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 03:04:38,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 03:04:41,107 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 03:04:41,755 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-12-01 03:04:42,921 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-12-01 03:04:44,416 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-01 03:04:45,010 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-12-01 03:04:47,705 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 03:04:48,340 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-12-01 03:04:50,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:04:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2528 states and 3022 transitions. [2019-12-01 03:04:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3022 transitions. [2019-12-01 03:04:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 03:04:50,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:04:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:04:55,474 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-12-01 03:04:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 03:04:58,852 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 03:05:00,744 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 03:05:04,775 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 03:05:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:05:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 2538 states and 3034 transitions. [2019-12-01 03:05:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3034 transitions. [2019-12-01 03:05:13,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 03:05:13,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:05:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:05:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 03:05:20,905 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-12-01 03:05:24,349 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 03:05:25,053 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-12-01 03:05:25,953 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-12-01 03:05:27,739 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-12-01 03:05:28,044 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-12-01 03:05:31,193 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 03:05:32,397 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 03:05:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:05:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2563 states and 3062 transitions. [2019-12-01 03:05:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3062 transitions. [2019-12-01 03:05:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 03:05:32,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:05:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:05:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 03:05:34,114 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-12-01 03:05:41,708 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 03:05:42,081 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-12-01 03:05:44,428 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 03:05:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:05:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2591 states and 3089 transitions. [2019-12-01 03:05:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3089 transitions. [2019-12-01 03:05:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-12-01 03:05:45,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:05:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:05:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 03:06:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:06:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 2659 states and 3166 transitions. [2019-12-01 03:06:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3166 transitions. [2019-12-01 03:06:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-12-01 03:06:04,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:06:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:06:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 03:06:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:06:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 2682 states and 3188 transitions. [2019-12-01 03:06:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3188 transitions. [2019-12-01 03:06:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-12-01 03:06:07,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:06:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:06:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 03:06:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:06:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2686 states and 3191 transitions. [2019-12-01 03:06:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3191 transitions. [2019-12-01 03:06:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 03:06:08,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 03:06:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 03:06:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 137 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-12-01 03:06:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 03:06:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 2683 states and 3187 transitions. [2019-12-01 03:06:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3187 transitions. [2019-12-01 03:06:10,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 03:06:10,972 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 159 iterations. [2019-12-01 03:06:10,978 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 03:06:11,115 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2019-12-01 03:06:11,240 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 16 [2019-12-01 03:06:11,495 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 41 [2019-12-01 03:06:11,628 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2019-12-01 03:06:11,886 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 44 [2019-12-01 03:06:12,165 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2019-12-01 03:06:12,361 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2019-12-01 03:06:12,692 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2019-12-01 03:06:13,105 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 55 [2019-12-01 03:06:13,484 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2019-12-01 03:06:13,634 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:13,878 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2019-12-01 03:06:14,229 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2019-12-01 03:06:14,478 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 41 [2019-12-01 03:06:14,781 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:15,604 WARN L192 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 60 [2019-12-01 03:06:15,721 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 16 [2019-12-01 03:06:15,931 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2019-12-01 03:06:16,144 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 44 [2019-12-01 03:06:16,346 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 16 [2019-12-01 03:06:16,458 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:16,573 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:16,797 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 16 [2019-12-01 03:06:16,979 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 16 [2019-12-01 03:06:17,094 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:17,288 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:17,501 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2019-12-01 03:06:17,835 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2019-12-01 03:06:18,009 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:18,153 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:18,427 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2019-12-01 03:06:18,641 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2019-12-01 03:06:18,770 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 16 [2019-12-01 03:06:18,992 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:19,170 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2019-12-01 03:06:19,368 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 16 [2019-12-01 03:06:19,473 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 16 [2019-12-01 03:06:19,620 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:19,816 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 16 [2019-12-01 03:06:20,067 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 41 [2019-12-01 03:06:20,514 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 73 [2019-12-01 03:06:20,768 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 16 [2019-12-01 03:06:20,889 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 16 [2019-12-01 03:06:21,487 WARN L192 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 60 [2019-12-01 03:06:21,778 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2019-12-01 03:06:22,030 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2019-12-01 03:06:22,188 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-12-01 03:06:22,444 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2019-12-01 03:06:22,475 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 03:06:22,477 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-01 03:06:22,482 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-01 03:06:22,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:06:22 ImpRootNode [2019-12-01 03:06:22,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 03:06:22,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 03:06:22,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 03:06:22,483 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 03:06:22,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:57:44" (3/4) ... [2019-12-01 03:06:22,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 03:06:22,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 03:06:22,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 03:06:22,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 03:06:22,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 03:06:22,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_96463c50-de9d-4f67-879b-65b85dec0584/bin/ukojak/witness.graphml [2019-12-01 03:06:22,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 03:06:22,580 INFO L168 Benchmark]: Toolchain (without parser) took 519752.55 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 463.5 MB). Free memory was 936.6 MB in the beginning and 828.9 MB in the end (delta: 107.7 MB). Peak memory consumption was 571.2 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,580 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 03:06:22,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,580 INFO L168 Benchmark]: Boogie Preprocessor took 53.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,581 INFO L168 Benchmark]: RCFGBuilder took 1075.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.9 MB in the end (delta: 212.3 MB). Peak memory consumption was 212.3 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,581 INFO L168 Benchmark]: CodeCheck took 518076.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 356.5 MB). Free memory was 856.9 MB in the beginning and 857.6 MB in the end (delta: -721.7 kB). Peak memory consumption was 797.8 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,581 INFO L168 Benchmark]: Witness Printer took 95.74 ms. Allocated memory is still 1.5 GB. Free memory was 857.6 MB in the beginning and 828.9 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-12-01 03:06:22,582 INFO L335 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 506.5s, OverallIterations: 159, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1209010356 SDtfs, 908267362 SDslu, -1393335222 SDs, 0 SdLazy, -1050544756 SolverSat, 1627623992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 857.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200586 GetRequests, 194113 SyntacticMatches, 4655 SemanticMatches, 1818 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2375566 ImplicationChecksByTransitivity, 467.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 63.1s InterpolantComputationTime, 30337 NumberOfCodeBlocks, 30337 NumberOfCodeBlocksAsserted, 158 NumberOfCheckSat, 30179 ConstructedInterpolants, 0 QuantifiedInterpolants, 37619792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 158 InterpolantComputations, 119 PerfectInterpolantSequences, 36497/38853 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 497]: 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) || !(a16 == 6)) || !(14 == a8)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a20 == 1) || !(a16 == 6)) || !(14 == a8)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 954.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1075.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 856.9 MB in the end (delta: 212.3 MB). Peak memory consumption was 212.3 MB. Max. memory is 11.5 GB. * CodeCheck took 518076.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 356.5 MB). Free memory was 856.9 MB in the beginning and 857.6 MB in the end (delta: -721.7 kB). Peak memory consumption was 797.8 MB. Max. memory is 11.5 GB. * Witness Printer took 95.74 ms. Allocated memory is still 1.5 GB. Free memory was 857.6 MB in the beginning and 828.9 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...