./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e09138f51265758a55ca4b42a17e715ba685a263 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:17:36,181 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:17:36,182 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:17:36,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:17:36,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:17:36,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:17:36,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:17:36,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:17:36,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:17:36,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:17:36,192 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:17:36,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:17:36,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:17:36,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:17:36,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:17:36,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:17:36,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:17:36,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:17:36,196 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:17:36,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:17:36,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:17:36,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:17:36,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:17:36,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:17:36,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:17:36,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:17:36,201 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:17:36,202 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:17:36,202 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:17:36,203 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:17:36,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:17:36,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:17:36,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:17:36,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:17:36,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:17:36,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:17:36,205 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 01:17:36,212 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:17:36,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:17:36,212 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:17:36,213 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 01:17:36,213 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:17:36,213 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:17:36,213 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:17:36,213 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:17:36,213 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:17:36,214 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:17:36,215 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:17:36,215 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 01:17:36,215 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 01:17:36,215 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:17:36,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:17:36,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 01:17:36,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:17:36,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:17:36,216 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:17:36,216 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 01:17:36,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:17:36,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:17:36,216 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e09138f51265758a55ca4b42a17e715ba685a263 [2018-12-09 01:17:36,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:17:36,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:17:36,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:17:36,247 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:17:36,247 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:17:36,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-12-09 01:17:36,284 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/data/c5181aa14/40c2bc2e779e4d3ea9a73c5f0e9f0354/FLAGed0c9fe0b [2018-12-09 01:17:36,770 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:17:36,771 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-12-09 01:17:36,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/data/c5181aa14/40c2bc2e779e4d3ea9a73c5f0e9f0354/FLAGed0c9fe0b [2018-12-09 01:17:37,110 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/data/c5181aa14/40c2bc2e779e4d3ea9a73c5f0e9f0354 [2018-12-09 01:17:37,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:17:37,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:17:37,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:17:37,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:17:37,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:17:37,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37, skipping insertion in model container [2018-12-09 01:17:37,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:17:37,143 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:17:37,314 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:17:37,317 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:17:37,397 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:17:37,407 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:17:37,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37 WrapperNode [2018-12-09 01:17:37,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:17:37,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:17:37,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:17:37,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:17:37,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:17:37,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:17:37,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:17:37,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:17:37,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... [2018-12-09 01:17:37,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:17:37,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:17:37,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:17:37,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:17:37,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:17:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 01:17:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:17:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:17:38,559 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:17:38,559 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 01:17:38,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:17:38 BoogieIcfgContainer [2018-12-09 01:17:38,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:17:38,560 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 01:17:38,561 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 01:17:38,570 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 01:17:38,570 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:17:38" (1/1) ... [2018-12-09 01:17:38,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:17:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 01:17:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 01:17:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 01:17:38,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-09 01:17:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-09 01:17:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 01:17:39,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-09 01:17:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-09 01:17:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 01:17:39,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-09 01:17:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-09 01:17:39,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 01:17:39,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 224 states and 309 transitions. [2018-12-09 01:17:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2018-12-09 01:17:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 01:17:39,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 01:17:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-12-09 01:17:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-12-09 01:17:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 01:17:40,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 01:17:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 256 states and 354 transitions. [2018-12-09 01:17:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 354 transitions. [2018-12-09 01:17:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 01:17:40,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 01:17:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 261 states and 359 transitions. [2018-12-09 01:17:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 359 transitions. [2018-12-09 01:17:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 01:17:40,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2018-12-09 01:17:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-12-09 01:17:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:17:40,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 291 states and 400 transitions. [2018-12-09 01:17:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 400 transitions. [2018-12-09 01:17:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:17:41,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 294 states and 404 transitions. [2018-12-09 01:17:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 404 transitions. [2018-12-09 01:17:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:17:41,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2018-12-09 01:17:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2018-12-09 01:17:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:17:41,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 299 states and 409 transitions. [2018-12-09 01:17:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2018-12-09 01:17:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 01:17:41,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:17:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 318 states and 428 transitions. [2018-12-09 01:17:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 428 transitions. [2018-12-09 01:17:42,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 01:17:42,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2018-12-09 01:17:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2018-12-09 01:17:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 01:17:42,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 01:17:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 333 states and 446 transitions. [2018-12-09 01:17:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 446 transitions. [2018-12-09 01:17:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 01:17:42,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 01:17:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2018-12-09 01:17:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2018-12-09 01:17:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 01:17:42,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 01:17:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2018-12-09 01:17:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2018-12-09 01:17:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 01:17:43,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 346 states and 465 transitions. [2018-12-09 01:17:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 465 transitions. [2018-12-09 01:17:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 01:17:43,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 352 states and 474 transitions. [2018-12-09 01:17:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 474 transitions. [2018-12-09 01:17:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 01:17:43,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2018-12-09 01:17:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2018-12-09 01:17:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 01:17:43,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 01:17:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 360 states and 483 transitions. [2018-12-09 01:17:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 483 transitions. [2018-12-09 01:17:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 01:17:43,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 01:17:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2018-12-09 01:17:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2018-12-09 01:17:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 01:17:44,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 01:17:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 389 states and 513 transitions. [2018-12-09 01:17:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2018-12-09 01:17:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 01:17:44,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 01:17:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-12-09 01:17:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-12-09 01:17:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 01:17:45,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 01:17:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 425 states and 557 transitions. [2018-12-09 01:17:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 557 transitions. [2018-12-09 01:17:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 01:17:46,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 01:17:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 470 states and 606 transitions. [2018-12-09 01:17:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 606 transitions. [2018-12-09 01:17:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 01:17:46,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 535 states and 673 transitions. [2018-12-09 01:17:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 673 transitions. [2018-12-09 01:17:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 01:17:47,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:17:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 542 states and 682 transitions. [2018-12-09 01:17:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 682 transitions. [2018-12-09 01:17:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 01:17:48,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 01:17:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 597 states and 742 transitions. [2018-12-09 01:17:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 742 transitions. [2018-12-09 01:17:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 01:17:51,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 666 states and 824 transitions. [2018-12-09 01:17:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 824 transitions. [2018-12-09 01:17:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 01:17:54,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 669 states and 828 transitions. [2018-12-09 01:17:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 828 transitions. [2018-12-09 01:17:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 01:17:54,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 01:17:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 670 states and 828 transitions. [2018-12-09 01:17:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 828 transitions. [2018-12-09 01:17:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 01:17:54,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:17:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 691 states and 849 transitions. [2018-12-09 01:17:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 849 transitions. [2018-12-09 01:17:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 01:17:55,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 01:17:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 696 states and 857 transitions. [2018-12-09 01:17:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 857 transitions. [2018-12-09 01:17:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 01:17:55,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 01:17:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 700 states and 862 transitions. [2018-12-09 01:17:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 862 transitions. [2018-12-09 01:17:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 01:17:56,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 01:17:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 702 states and 863 transitions. [2018-12-09 01:17:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 863 transitions. [2018-12-09 01:17:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 01:17:56,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 01:17:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 771 states and 933 transitions. [2018-12-09 01:17:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 933 transitions. [2018-12-09 01:17:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 01:17:57,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 01:17:57,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 791 states and 954 transitions. [2018-12-09 01:17:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 954 transitions. [2018-12-09 01:17:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 01:17:57,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 01:17:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 798 states and 965 transitions. [2018-12-09 01:17:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 965 transitions. [2018-12-09 01:17:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 01:17:58,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 01:17:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 802 states and 970 transitions. [2018-12-09 01:17:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 970 transitions. [2018-12-09 01:17:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 01:17:58,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 01:17:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:17:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2018-12-09 01:17:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2018-12-09 01:17:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 01:17:58,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:17:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:17:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 863 states and 1047 transitions. [2018-12-09 01:18:02,751 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1047 transitions. [2018-12-09 01:18:02,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 01:18:02,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 871 states and 1057 transitions. [2018-12-09 01:18:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1057 transitions. [2018-12-09 01:18:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 01:18:03,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 01:18:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 873 states and 1059 transitions. [2018-12-09 01:18:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1059 transitions. [2018-12-09 01:18:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 01:18:03,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:06,404 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-09 01:18:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 934 states and 1132 transitions. [2018-12-09 01:18:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1132 transitions. [2018-12-09 01:18:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 01:18:09,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 955 states and 1153 transitions. [2018-12-09 01:18:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1153 transitions. [2018-12-09 01:18:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 01:18:10,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 958 states and 1157 transitions. [2018-12-09 01:18:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1157 transitions. [2018-12-09 01:18:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 01:18:10,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 01:18:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:12,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 967 states and 1173 transitions. [2018-12-09 01:18:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1173 transitions. [2018-12-09 01:18:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 01:18:12,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 01:18:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 970 states and 1178 transitions. [2018-12-09 01:18:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1178 transitions. [2018-12-09 01:18:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 01:18:13,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 01:18:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 973 states and 1182 transitions. [2018-12-09 01:18:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1182 transitions. [2018-12-09 01:18:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 01:18:13,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1042 states and 1265 transitions. [2018-12-09 01:18:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1265 transitions. [2018-12-09 01:18:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 01:18:21,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:18:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1045 states and 1269 transitions. [2018-12-09 01:18:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1269 transitions. [2018-12-09 01:18:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 01:18:21,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 01:18:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1082 states and 1311 transitions. [2018-12-09 01:18:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1311 transitions. [2018-12-09 01:18:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 01:18:24,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 01:18:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1100 states and 1328 transitions. [2018-12-09 01:18:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1328 transitions. [2018-12-09 01:18:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 01:18:26,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 01:18:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1124 states and 1356 transitions. [2018-12-09 01:18:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1356 transitions. [2018-12-09 01:18:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 01:18:30,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:18:33,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1128 states and 1363 transitions. [2018-12-09 01:18:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1363 transitions. [2018-12-09 01:18:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 01:18:33,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:18:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1131 states and 1367 transitions. [2018-12-09 01:18:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1367 transitions. [2018-12-09 01:18:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 01:18:34,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 01:18:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:35,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1201 states and 1441 transitions. [2018-12-09 01:18:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1441 transitions. [2018-12-09 01:18:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 01:18:35,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 01:18:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1218 states and 1457 transitions. [2018-12-09 01:18:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1457 transitions. [2018-12-09 01:18:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 01:18:35,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 01:18:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1266 states and 1512 transitions. [2018-12-09 01:18:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1512 transitions. [2018-12-09 01:18:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 01:18:40,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 01:18:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1270 states and 1515 transitions. [2018-12-09 01:18:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1515 transitions. [2018-12-09 01:18:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-09 01:18:41,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-09 01:18:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1339 states and 1587 transitions. [2018-12-09 01:18:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1587 transitions. [2018-12-09 01:18:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 01:18:42,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 01:18:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1409 states and 1662 transitions. [2018-12-09 01:18:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1662 transitions. [2018-12-09 01:18:44,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 01:18:44,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 01:18:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:18:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1500 states and 1774 transitions. [2018-12-09 01:18:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1774 transitions. [2018-12-09 01:18:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 01:18:55,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:18:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:18:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 01:19:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1534 states and 1809 transitions. [2018-12-09 01:19:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1809 transitions. [2018-12-09 01:19:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 01:19:02,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 01:19:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1552 states and 1832 transitions. [2018-12-09 01:19:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1832 transitions. [2018-12-09 01:19:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 01:19:04,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 01:19:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1555 states and 1836 transitions. [2018-12-09 01:19:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1836 transitions. [2018-12-09 01:19:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 01:19:04,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 01:19:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1679 states and 1970 transitions. [2018-12-09 01:19:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1970 transitions. [2018-12-09 01:19:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 01:19:15,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 01:19:18,766 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-09 01:19:23,458 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 01:19:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:25,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1710 states and 2005 transitions. [2018-12-09 01:19:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2005 transitions. [2018-12-09 01:19:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 01:19:25,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 01:19:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1711 states and 2004 transitions. [2018-12-09 01:19:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2004 transitions. [2018-12-09 01:19:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 01:19:28,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:28,778 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 01:19:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:19:35,990 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-12-09 01:19:41,440 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-09 01:19:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1738 states and 2035 transitions. [2018-12-09 01:19:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2035 transitions. [2018-12-09 01:19:42,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 01:19:42,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:19:43,806 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-09 01:19:44,249 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 01:19:45,304 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 01:19:45,704 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:19:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1766 states and 2066 transitions. [2018-12-09 01:19:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2066 transitions. [2018-12-09 01:19:48,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 01:19:48,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:19:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1809 states and 2112 transitions. [2018-12-09 01:19:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2112 transitions. [2018-12-09 01:19:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 01:19:56,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:19:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:19:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1812 states and 2116 transitions. [2018-12-09 01:19:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2116 transitions. [2018-12-09 01:19:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 01:19:58,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:19:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:19:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:20:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1838 states and 2142 transitions. [2018-12-09 01:20:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2142 transitions. [2018-12-09 01:20:00,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 01:20:00,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 01:20:03,719 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 01:20:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1912 states and 2218 transitions. [2018-12-09 01:20:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2218 transitions. [2018-12-09 01:20:05,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 01:20:05,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 01:20:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1914 states and 2220 transitions. [2018-12-09 01:20:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2220 transitions. [2018-12-09 01:20:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 01:20:05,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 01:20:09,116 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:20:12,278 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 01:20:13,334 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 01:20:13,738 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:20:15,586 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 01:20:16,057 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:20:16,731 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 01:20:18,170 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:20:19,382 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 01:20:20,041 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 01:20:22,731 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 01:20:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1975 states and 2289 transitions. [2018-12-09 01:20:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2289 transitions. [2018-12-09 01:20:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 01:20:25,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 01:20:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1979 states and 2295 transitions. [2018-12-09 01:20:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2295 transitions. [2018-12-09 01:20:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 01:20:28,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 01:20:30,531 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-09 01:20:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1982 states and 2298 transitions. [2018-12-09 01:20:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2298 transitions. [2018-12-09 01:20:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-09 01:20:31,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 01:20:34,814 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 01:20:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1993 states and 2311 transitions. [2018-12-09 01:20:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2311 transitions. [2018-12-09 01:20:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-09 01:20:35,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 01:20:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2010 states and 2328 transitions. [2018-12-09 01:20:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2328 transitions. [2018-12-09 01:20:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 01:20:37,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:39,584 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 01:20:40,454 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-09 01:20:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 01:20:47,109 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 01:20:48,468 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 01:20:50,121 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 01:20:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2050 states and 2377 transitions. [2018-12-09 01:20:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2377 transitions. [2018-12-09 01:20:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 01:20:52,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 01:20:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2058 states and 2384 transitions. [2018-12-09 01:20:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2384 transitions. [2018-12-09 01:20:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 01:20:54,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 01:20:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:20:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2127 states and 2455 transitions. [2018-12-09 01:20:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2455 transitions. [2018-12-09 01:20:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 01:20:57,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:20:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:20:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 01:21:00,878 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 01:21:07,515 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-09 01:21:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:21:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2238 states and 2573 transitions. [2018-12-09 01:21:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2573 transitions. [2018-12-09 01:21:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 01:21:09,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:21:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 01:21:14,492 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 01:21:15,646 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 01:21:17,006 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 01:21:19,430 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 01:21:20,954 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 01:21:21,598 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 01:21:23,325 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 01:21:23,937 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 01:21:24,786 WARN L180 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 01:21:26,717 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-09 01:21:28,701 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 01:21:29,268 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 01:21:30,798 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 01:21:31,686 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 01:21:34,099 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-09 01:21:34,861 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 01:21:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:21:36,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2278 states and 2616 transitions. [2018-12-09 01:21:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2616 transitions. [2018-12-09 01:21:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 01:21:36,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:21:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 01:21:37,224 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 01:21:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:21:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2307 states and 2643 transitions. [2018-12-09 01:21:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2643 transitions. [2018-12-09 01:21:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 01:21:41,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:21:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 01:21:47,523 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 01:21:48,623 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 01:21:49,349 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 01:21:50,915 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 01:21:52,591 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 01:21:57,639 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 01:21:58,367 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-09 01:21:59,712 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 01:22:00,468 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 01:22:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2348 states and 2688 transitions. [2018-12-09 01:22:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2688 transitions. [2018-12-09 01:22:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 01:22:01,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 01:22:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2355 states and 2693 transitions. [2018-12-09 01:22:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2693 transitions. [2018-12-09 01:22:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 01:22:03,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-09 01:22:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2360 states and 2705 transitions. [2018-12-09 01:22:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2705 transitions. [2018-12-09 01:22:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 01:22:05,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-09 01:22:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2425 states and 2772 transitions. [2018-12-09 01:22:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 2772 transitions. [2018-12-09 01:22:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 01:22:07,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-09 01:22:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2426 states and 2775 transitions. [2018-12-09 01:22:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2775 transitions. [2018-12-09 01:22:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:09,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2431 states and 2780 transitions. [2018-12-09 01:22:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2780 transitions. [2018-12-09 01:22:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:10,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2500 states and 2851 transitions. [2018-12-09 01:22:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2851 transitions. [2018-12-09 01:22:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:11,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2569 states and 2920 transitions. [2018-12-09 01:22:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2920 transitions. [2018-12-09 01:22:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:13,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:14,520 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-12-09 01:22:14,911 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2018-12-09 01:22:17,215 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2018-12-09 01:22:20,724 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-12-09 01:22:22,189 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-12-09 01:22:23,145 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 01:22:24,573 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-12-09 01:22:26,150 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 01:22:29,772 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 01:22:30,600 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-12-09 01:22:31,703 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2018-12-09 01:22:44,755 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-09 01:22:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2637 states and 2998 transitions. [2018-12-09 01:22:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 2998 transitions. [2018-12-09 01:22:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:46,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 2679 states and 3041 transitions. [2018-12-09 01:22:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3041 transitions. [2018-12-09 01:22:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 01:22:50,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-09 01:22:50,648 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2018-12-09 01:22:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2286 states and 2614 transitions. [2018-12-09 01:22:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2614 transitions. [2018-12-09 01:22:53,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:22:53,322 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 100 iterations. [2018-12-09 01:22:53,328 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 01:22:53,461 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-09 01:22:53,570 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-09 01:22:53,721 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-09 01:22:53,834 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-09 01:22:54,003 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2018-12-09 01:22:54,225 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-12-09 01:22:54,422 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-12-09 01:22:54,585 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-09 01:22:54,766 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-09 01:22:55,152 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 40 [2018-12-09 01:22:55,295 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 38 [2018-12-09 01:22:55,517 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-12-09 01:22:55,707 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2018-12-09 01:22:55,824 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 31 [2018-12-09 01:22:56,113 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2018-12-09 01:22:56,516 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-09 01:22:56,659 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-09 01:22:56,813 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-09 01:22:56,969 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:22:57,171 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-09 01:22:57,277 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-12-09 01:22:57,382 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-09 01:22:57,574 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-09 01:22:57,751 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-09 01:22:57,855 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-09 01:22:58,024 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-12-09 01:22:58,182 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:22:58,284 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 31 [2018-12-09 01:22:58,444 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-12-09 01:22:58,664 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-09 01:22:58,851 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:22:59,104 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:22:59,316 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:22:59,457 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2018-12-09 01:22:59,765 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2018-12-09 01:23:00,031 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 29 [2018-12-09 01:23:00,297 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-09 01:23:00,441 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-12-09 01:23:00,649 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2018-12-09 01:23:00,752 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2018-12-09 01:23:00,911 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-09 01:23:01,067 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2018-12-09 01:23:01,584 WARN L180 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 67 [2018-12-09 01:23:01,848 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-09 01:23:01,966 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2018-12-09 01:23:02,157 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-09 01:23:02,425 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-09 01:23:02,609 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2018-12-09 01:23:02,796 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-09 01:23:02,932 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 38 [2018-12-09 01:23:02,932 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 01:23:02,934 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-09 01:23:02,938 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-09 01:23:02,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:23:02 ImpRootNode [2018-12-09 01:23:02,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 01:23:02,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:23:02,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:23:02,940 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:23:02,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:17:38" (3/4) ... [2018-12-09 01:23:02,942 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:23:02,956 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 01:23:02,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 01:23:02,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 01:23:02,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:23:03,024 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ecfc2957-f9a7-4370-89e1-b01cce7b945d/bin-2019/ukojak/witness.graphml [2018-12-09 01:23:03,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:23:03,025 INFO L168 Benchmark]: Toolchain (without parser) took 325913.02 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.2 MB). Free memory was 945.3 MB in the beginning and 817.0 MB in the end (delta: 128.3 MB). Peak memory consumption was 606.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,026 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:23:03,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,026 INFO L168 Benchmark]: Boogie Preprocessor took 31.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,027 INFO L168 Benchmark]: RCFGBuilder took 1078.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.0 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,027 INFO L168 Benchmark]: CodeCheck took 324378.73 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 351.3 MB). Free memory was 886.0 MB in the beginning and 829.8 MB in the end (delta: 56.2 MB). Peak memory consumption was 849.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,027 INFO L168 Benchmark]: Witness Printer took 84.99 ms. Allocated memory is still 1.5 GB. Free memory was 829.8 MB in the beginning and 817.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:03,028 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 314.7s OverallTime, 100 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1894143224 SDtfs, -793663200 SDslu, -1637032528 SDs, 0 SdLazy, -452924776 SolverSat, 1518632960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 391.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136588 GetRequests, 131202 SyntacticMatches, 3826 SemanticMatches, 1560 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1714027 ImplicationChecksByTransitivity, 289.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 30.3s InterpolantComputationTime, 20806 NumberOfCodeBlocks, 20806 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 20707 ConstructedInterpolants, 0 QuantifiedInterpolants, 34808558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 99 InterpolantComputations, 71 PerfectInterpolantSequences, 30978/31542 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || !(a7 == 1)) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1078.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.0 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. * CodeCheck took 324378.73 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 351.3 MB). Free memory was 886.0 MB in the beginning and 829.8 MB in the end (delta: 56.2 MB). Peak memory consumption was 849.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.99 ms. Allocated memory is still 1.5 GB. Free memory was 829.8 MB in the beginning and 817.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...