./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3774d82389353be2170e26cc4e53c0d06e3cb94d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 14:26:18,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:26:18,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:26:18,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:26:18,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:26:18,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:26:18,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:26:18,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:26:18,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:26:18,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:26:18,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:26:18,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:26:18,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:26:18,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:26:18,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:26:18,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:26:18,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:26:18,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:26:18,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:26:18,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:26:18,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:26:18,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:26:18,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:26:18,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:26:18,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:26:18,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:26:18,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:26:18,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:26:18,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:26:18,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:26:18,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:26:18,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:26:18,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:26:18,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:26:18,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:26:18,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:26:18,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:26:18,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:26:18,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:26:18,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:26:18,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:26:18,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:26:18,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:26:18,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:26:18,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:26:18,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:26:18,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:26:18,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:26:18,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:26:18,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:26:18,434 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:26:18,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:26:18,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:26:18,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:26:18,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:26:18,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2019-12-01 14:26:18,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:26:18,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:26:18,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:26:18,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:26:18,546 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:26:18,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-12-01 14:26:18,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/data/6d0fd912a/5c815e4ad224496b98d0ec498180ac26/FLAG87c84135a [2019-12-01 14:26:18,972 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:26:18,973 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/sv-benchmarks/c/eca-rers2012/Problem01_label04.c [2019-12-01 14:26:18,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/data/6d0fd912a/5c815e4ad224496b98d0ec498180ac26/FLAG87c84135a [2019-12-01 14:26:18,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/data/6d0fd912a/5c815e4ad224496b98d0ec498180ac26 [2019-12-01 14:26:18,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:26:18,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:26:18,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:26:18,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:26:18,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:26:18,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:26:18" (1/1) ... [2019-12-01 14:26:18,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:18, skipping insertion in model container [2019-12-01 14:26:18,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:26:18" (1/1) ... [2019-12-01 14:26:19,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:26:19,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:26:19,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:26:19,273 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:26:19,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:26:19,353 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:26:19,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19 WrapperNode [2019-12-01 14:26:19,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:26:19,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:26:19,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:26:19,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:26:19,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:26:19,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:26:19,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:26:19,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:26:19,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... [2019-12-01 14:26:19,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:26:19,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:26:19,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:26:19,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:26:19,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:26:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:26:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:26:20,551 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:26:20,551 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 14:26:20,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:26:20 BoogieIcfgContainer [2019-12-01 14:26:20,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:26:20,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:26:20,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:26:20,563 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:26:20,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:26:20" (1/1) ... [2019-12-01 14:26:20,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:26:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 14:26:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 14:26:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 14:26:20,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2019-12-01 14:26:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2019-12-01 14:26:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 14:26:21,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:21,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2019-12-01 14:26:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2019-12-01 14:26:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 14:26:21,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2019-12-01 14:26:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2019-12-01 14:26:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 14:26:21,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2019-12-01 14:26:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2019-12-01 14:26:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 14:26:21,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 14:26:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2019-12-01 14:26:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2019-12-01 14:26:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 14:26:21,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 14:26:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2019-12-01 14:26:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2019-12-01 14:26:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 14:26:22,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2019-12-01 14:26:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2019-12-01 14:26:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 14:26:22,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2019-12-01 14:26:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2019-12-01 14:26:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 14:26:23,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2019-12-01 14:26:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2019-12-01 14:26:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 14:26:23,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2019-12-01 14:26:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2019-12-01 14:26:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 14:26:23,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2019-12-01 14:26:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2019-12-01 14:26:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 14:26:24,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:24,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2019-12-01 14:26:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2019-12-01 14:26:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 14:26:24,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 14:26:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2019-12-01 14:26:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2019-12-01 14:26:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 14:26:24,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 14:26:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 244 states and 397 transitions. [2019-12-01 14:26:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 397 transitions. [2019-12-01 14:26:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 14:26:25,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 14:26:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 245 states and 400 transitions. [2019-12-01 14:26:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 400 transitions. [2019-12-01 14:26:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 14:26:26,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 265 states and 427 transitions. [2019-12-01 14:26:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 427 transitions. [2019-12-01 14:26:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 14:26:26,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 14:26:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 268 states and 431 transitions. [2019-12-01 14:26:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 431 transitions. [2019-12-01 14:26:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 14:26:26,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 269 states and 431 transitions. [2019-12-01 14:26:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 431 transitions. [2019-12-01 14:26:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 14:26:26,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 276 states and 439 transitions. [2019-12-01 14:26:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 439 transitions. [2019-12-01 14:26:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 14:26:26,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 14:26:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 279 states and 444 transitions. [2019-12-01 14:26:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 444 transitions. [2019-12-01 14:26:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 14:26:27,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 306 states and 480 transitions. [2019-12-01 14:26:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 480 transitions. [2019-12-01 14:26:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 14:26:28,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 310 states and 487 transitions. [2019-12-01 14:26:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 487 transitions. [2019-12-01 14:26:28,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 14:26:28,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 321 states and 500 transitions. [2019-12-01 14:26:29,382 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 500 transitions. [2019-12-01 14:26:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 14:26:29,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:29,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 322 states and 502 transitions. [2019-12-01 14:26:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 502 transitions. [2019-12-01 14:26:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 14:26:29,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 337 states and 521 transitions. [2019-12-01 14:26:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 521 transitions. [2019-12-01 14:26:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 14:26:30,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:30,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 340 states and 524 transitions. [2019-12-01 14:26:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 524 transitions. [2019-12-01 14:26:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 14:26:30,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 343 states and 527 transitions. [2019-12-01 14:26:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 527 transitions. [2019-12-01 14:26:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 14:26:30,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 345 states and 529 transitions. [2019-12-01 14:26:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 529 transitions. [2019-12-01 14:26:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 14:26:30,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 14:26:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 368 states and 557 transitions. [2019-12-01 14:26:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 557 transitions. [2019-12-01 14:26:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 14:26:31,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 14:26:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 460 states and 662 transitions. [2019-12-01 14:26:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 662 transitions. [2019-12-01 14:26:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-01 14:26:33,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:33,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 465 states and 668 transitions. [2019-12-01 14:26:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 668 transitions. [2019-12-01 14:26:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 14:26:33,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 14:26:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 472 states and 675 transitions. [2019-12-01 14:26:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 675 transitions. [2019-12-01 14:26:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 14:26:34,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 14:26:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 480 states and 682 transitions. [2019-12-01 14:26:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 682 transitions. [2019-12-01 14:26:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 14:26:34,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 14:26:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 484 states and 687 transitions. [2019-12-01 14:26:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 687 transitions. [2019-12-01 14:26:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 14:26:34,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 14:26:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:34,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 493 states and 698 transitions. [2019-12-01 14:26:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 698 transitions. [2019-12-01 14:26:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 14:26:34,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 501 states and 706 transitions. [2019-12-01 14:26:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 706 transitions. [2019-12-01 14:26:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 14:26:35,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 519 states and 735 transitions. [2019-12-01 14:26:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 735 transitions. [2019-12-01 14:26:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 14:26:35,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 539 states and 759 transitions. [2019-12-01 14:26:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 759 transitions. [2019-12-01 14:26:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 14:26:36,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 562 states and 796 transitions. [2019-12-01 14:26:37,702 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 796 transitions. [2019-12-01 14:26:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 14:26:37,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 573 states and 809 transitions. [2019-12-01 14:26:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 809 transitions. [2019-12-01 14:26:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 14:26:38,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 596 states and 833 transitions. [2019-12-01 14:26:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 833 transitions. [2019-12-01 14:26:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:38,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 605 states and 844 transitions. [2019-12-01 14:26:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 844 transitions. [2019-12-01 14:26:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:38,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 612 states and 850 transitions. [2019-12-01 14:26:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 850 transitions. [2019-12-01 14:26:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:39,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 627 states and 864 transitions. [2019-12-01 14:26:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 864 transitions. [2019-12-01 14:26:39,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:39,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 658 states and 906 transitions. [2019-12-01 14:26:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 906 transitions. [2019-12-01 14:26:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:42,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 669 states and 917 transitions. [2019-12-01 14:26:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 917 transitions. [2019-12-01 14:26:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:42,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 680 states and 928 transitions. [2019-12-01 14:26:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 928 transitions. [2019-12-01 14:26:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 14:26:43,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 747 states and 996 transitions. [2019-12-01 14:26:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 996 transitions. [2019-12-01 14:26:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 14:26:48,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 14:26:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:49,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 773 states and 1024 transitions. [2019-12-01 14:26:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1024 transitions. [2019-12-01 14:26:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 14:26:49,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 14:26:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 786 states and 1041 transitions. [2019-12-01 14:26:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1041 transitions. [2019-12-01 14:26:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 14:26:50,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 14:26:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 801 states and 1055 transitions. [2019-12-01 14:26:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1055 transitions. [2019-12-01 14:26:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 14:26:50,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 14:26:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 816 states and 1071 transitions. [2019-12-01 14:26:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1071 transitions. [2019-12-01 14:26:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 14:26:51,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 14:26:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 883 states and 1148 transitions. [2019-12-01 14:26:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1148 transitions. [2019-12-01 14:26:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 14:26:54,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 14:26:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 890 states and 1154 transitions. [2019-12-01 14:26:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1154 transitions. [2019-12-01 14:26:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 14:26:54,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 910 states and 1176 transitions. [2019-12-01 14:26:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1176 transitions. [2019-12-01 14:26:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 14:26:55,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:55,199 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:26:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 913 states and 1180 transitions. [2019-12-01 14:26:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1180 transitions. [2019-12-01 14:26:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 14:26:55,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:56,640 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-12-01 14:26:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 946 states and 1216 transitions. [2019-12-01 14:26:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1216 transitions. [2019-12-01 14:26:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 14:26:58,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:26:59,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 984 states and 1251 transitions. [2019-12-01 14:26:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1251 transitions. [2019-12-01 14:26:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 14:26:59,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:26:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:26:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 985 states and 1252 transitions. [2019-12-01 14:26:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1252 transitions. [2019-12-01 14:26:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 14:26:59,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:26:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:26:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:27:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1011 states and 1285 transitions. [2019-12-01 14:27:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1285 transitions. [2019-12-01 14:27:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 14:27:01,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 14:27:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1031 states and 1314 transitions. [2019-12-01 14:27:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1314 transitions. [2019-12-01 14:27:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 14:27:03,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 14:27:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1039 states and 1321 transitions. [2019-12-01 14:27:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1321 transitions. [2019-12-01 14:27:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 14:27:03,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 14:27:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1077 states and 1357 transitions. [2019-12-01 14:27:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1357 transitions. [2019-12-01 14:27:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 14:27:07,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 14:27:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1081 states and 1363 transitions. [2019-12-01 14:27:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1363 transitions. [2019-12-01 14:27:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 14:27:08,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 14:27:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1084 states and 1366 transitions. [2019-12-01 14:27:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1366 transitions. [2019-12-01 14:27:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 14:27:08,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-01 14:27:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1091 states and 1373 transitions. [2019-12-01 14:27:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1373 transitions. [2019-12-01 14:27:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 14:27:08,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-01 14:27:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1093 states and 1375 transitions. [2019-12-01 14:27:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1375 transitions. [2019-12-01 14:27:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 14:27:09,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:27:15,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1135 states and 1428 transitions. [2019-12-01 14:27:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1428 transitions. [2019-12-01 14:27:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 14:27:15,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 14:27:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1160 states and 1463 transitions. [2019-12-01 14:27:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1463 transitions. [2019-12-01 14:27:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 14:27:24,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 161 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 14:27:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:25,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1171 states and 1473 transitions. [2019-12-01 14:27:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1473 transitions. [2019-12-01 14:27:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 14:27:25,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 14:27:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1173 states and 1475 transitions. [2019-12-01 14:27:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1475 transitions. [2019-12-01 14:27:25,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 14:27:25,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 14:27:29,046 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 14:27:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1225 states and 1529 transitions. [2019-12-01 14:27:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1529 transitions. [2019-12-01 14:27:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 14:27:31,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 14:27:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1246 states and 1552 transitions. [2019-12-01 14:27:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1552 transitions. [2019-12-01 14:27:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 14:27:33,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 14:27:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1250 states and 1558 transitions. [2019-12-01 14:27:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1558 transitions. [2019-12-01 14:27:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 14:27:34,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-01 14:27:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1251 states and 1560 transitions. [2019-12-01 14:27:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1560 transitions. [2019-12-01 14:27:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 14:27:34,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 14:27:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1255 states and 1565 transitions. [2019-12-01 14:27:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1565 transitions. [2019-12-01 14:27:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 14:27:34,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 14:27:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1257 states and 1567 transitions. [2019-12-01 14:27:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1567 transitions. [2019-12-01 14:27:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 14:27:35,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 14:27:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1259 states and 1570 transitions. [2019-12-01 14:27:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1570 transitions. [2019-12-01 14:27:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 14:27:35,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 14:27:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1274 states and 1585 transitions. [2019-12-01 14:27:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1585 transitions. [2019-12-01 14:27:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 14:27:36,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 14:27:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1286 states and 1598 transitions. [2019-12-01 14:27:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1598 transitions. [2019-12-01 14:27:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-01 14:27:37,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 14:27:39,662 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-12-01 14:27:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1297 states and 1609 transitions. [2019-12-01 14:27:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1609 transitions. [2019-12-01 14:27:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-01 14:27:42,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 14:27:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1312 states and 1628 transitions. [2019-12-01 14:27:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1628 transitions. [2019-12-01 14:27:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-01 14:27:44,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 14:27:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1314 states and 1630 transitions. [2019-12-01 14:27:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1630 transitions. [2019-12-01 14:27:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 14:27:45,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 242 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 14:27:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:27:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1333 states and 1660 transitions. [2019-12-01 14:27:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1660 transitions. [2019-12-01 14:27:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 14:27:47,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:27:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:27:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:27:55,399 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-12-01 14:28:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1388 states and 1722 transitions. [2019-12-01 14:28:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1722 transitions. [2019-12-01 14:28:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 14:28:00,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 14:28:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1409 states and 1742 transitions. [2019-12-01 14:28:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1742 transitions. [2019-12-01 14:28:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 14:28:02,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 14:28:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1432 states and 1767 transitions. [2019-12-01 14:28:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1767 transitions. [2019-12-01 14:28:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 14:28:04,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-12-01 14:28:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1436 states and 1771 transitions. [2019-12-01 14:28:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1771 transitions. [2019-12-01 14:28:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 14:28:05,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 14:28:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1440 states and 1776 transitions. [2019-12-01 14:28:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1776 transitions. [2019-12-01 14:28:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 14:28:05,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:28:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1464 states and 1808 transitions. [2019-12-01 14:28:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1808 transitions. [2019-12-01 14:28:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 14:28:09,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:28:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1473 states and 1816 transitions. [2019-12-01 14:28:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1816 transitions. [2019-12-01 14:28:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 14:28:10,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:28:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1484 states and 1826 transitions. [2019-12-01 14:28:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1826 transitions. [2019-12-01 14:28:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 14:28:11,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:28:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1485 states and 1826 transitions. [2019-12-01 14:28:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1826 transitions. [2019-12-01 14:28:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 14:28:11,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-12-01 14:28:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1508 states and 1852 transitions. [2019-12-01 14:28:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1852 transitions. [2019-12-01 14:28:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 14:28:12,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-12-01 14:28:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1509 states and 1852 transitions. [2019-12-01 14:28:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1852 transitions. [2019-12-01 14:28:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 14:28:13,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 14:28:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:14,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1514 states and 1861 transitions. [2019-12-01 14:28:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1861 transitions. [2019-12-01 14:28:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 14:28:14,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 14:28:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1540 states and 1889 transitions. [2019-12-01 14:28:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1889 transitions. [2019-12-01 14:28:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 14:28:17,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 14:28:18,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1549 states and 1899 transitions. [2019-12-01 14:28:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1899 transitions. [2019-12-01 14:28:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 14:28:18,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:20,516 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-12-01 14:28:21,396 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 14:28:22,492 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-12-01 14:28:23,570 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-12-01 14:28:24,622 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-12-01 14:28:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 14:28:26,269 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 14:28:27,551 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-12-01 14:28:30,647 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 14:28:33,390 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 14:28:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1573 states and 1929 transitions. [2019-12-01 14:28:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1929 transitions. [2019-12-01 14:28:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 14:28:35,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 14:28:36,160 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-12-01 14:28:36,444 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-12-01 14:28:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1584 states and 1941 transitions. [2019-12-01 14:28:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1941 transitions. [2019-12-01 14:28:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 14:28:37,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 14:28:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1588 states and 1948 transitions. [2019-12-01 14:28:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1948 transitions. [2019-12-01 14:28:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 14:28:38,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 14:28:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1590 states and 1949 transitions. [2019-12-01 14:28:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1949 transitions. [2019-12-01 14:28:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 14:28:38,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 14:28:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1602 states and 1965 transitions. [2019-12-01 14:28:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1965 transitions. [2019-12-01 14:28:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 14:28:42,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 14:28:44,122 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-12-01 14:28:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1636 states and 2001 transitions. [2019-12-01 14:28:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2001 transitions. [2019-12-01 14:28:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 14:28:47,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 14:28:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1640 states and 2005 transitions. [2019-12-01 14:28:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2005 transitions. [2019-12-01 14:28:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 14:28:48,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:52,802 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-12-01 14:28:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 14:28:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1644 states and 2012 transitions. [2019-12-01 14:28:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2012 transitions. [2019-12-01 14:28:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 14:28:55,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 14:28:57,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:28:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1655 states and 2022 transitions. [2019-12-01 14:28:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2022 transitions. [2019-12-01 14:28:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 14:28:57,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:28:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:28:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-12-01 14:28:59,430 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 14:29:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1677 states and 2044 transitions. [2019-12-01 14:29:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2044 transitions. [2019-12-01 14:29:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-01 14:29:00,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-12-01 14:29:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1747 states and 2117 transitions. [2019-12-01 14:29:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2117 transitions. [2019-12-01 14:29:01,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 14:29:01,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-12-01 14:29:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1761 states and 2129 transitions. [2019-12-01 14:29:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2129 transitions. [2019-12-01 14:29:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 14:29:05,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2019-12-01 14:29:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1765 states and 2132 transitions. [2019-12-01 14:29:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2132 transitions. [2019-12-01 14:29:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 14:29:05,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 14:29:07,682 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 14:29:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1822 states and 2198 transitions. [2019-12-01 14:29:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2198 transitions. [2019-12-01 14:29:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 14:29:15,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 14:29:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1825 states and 2199 transitions. [2019-12-01 14:29:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2199 transitions. [2019-12-01 14:29:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 14:29:17,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 14:29:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1845 states and 2222 transitions. [2019-12-01 14:29:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2222 transitions. [2019-12-01 14:29:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 14:29:18,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-01 14:29:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1857 states and 2233 transitions. [2019-12-01 14:29:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2233 transitions. [2019-12-01 14:29:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:18,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1870 states and 2249 transitions. [2019-12-01 14:29:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2249 transitions. [2019-12-01 14:29:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:19,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 1881 states and 2263 transitions. [2019-12-01 14:29:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2263 transitions. [2019-12-01 14:29:23,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:23,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1888 states and 2269 transitions. [2019-12-01 14:29:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2269 transitions. [2019-12-01 14:29:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:25,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:29,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1905 states and 2291 transitions. [2019-12-01 14:29:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2291 transitions. [2019-12-01 14:29:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:29,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1907 states and 2292 transitions. [2019-12-01 14:29:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2292 transitions. [2019-12-01 14:29:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 14:29:29,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 14:29:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1909 states and 2293 transitions. [2019-12-01 14:29:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2293 transitions. [2019-12-01 14:29:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-12-01 14:29:29,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 14:29:32,587 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 14:29:36,979 WARN L192 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 14:29:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1939 states and 2328 transitions. [2019-12-01 14:29:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2328 transitions. [2019-12-01 14:29:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-12-01 14:29:38,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-12-01 14:29:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1969 states and 2358 transitions. [2019-12-01 14:29:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2358 transitions. [2019-12-01 14:29:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 14:29:40,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2019-12-01 14:29:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2079 states and 2482 transitions. [2019-12-01 14:29:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2482 transitions. [2019-12-01 14:29:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 14:29:45,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-01 14:29:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2098 states and 2508 transitions. [2019-12-01 14:29:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2508 transitions. [2019-12-01 14:29:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 14:29:47,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-01 14:29:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2109 states and 2522 transitions. [2019-12-01 14:29:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2522 transitions. [2019-12-01 14:29:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 14:29:49,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-12-01 14:29:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2117 states and 2529 transitions. [2019-12-01 14:29:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2529 transitions. [2019-12-01 14:29:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 14:29:51,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 14:29:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2156 states and 2567 transitions. [2019-12-01 14:29:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2567 transitions. [2019-12-01 14:29:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 14:29:56,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 14:29:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2160 states and 2571 transitions. [2019-12-01 14:29:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2571 transitions. [2019-12-01 14:29:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 14:29:57,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-12-01 14:29:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2166 states and 2577 transitions. [2019-12-01 14:29:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2577 transitions. [2019-12-01 14:29:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-12-01 14:29:58,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:29:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-12-01 14:29:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:29:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2176 states and 2587 transitions. [2019-12-01 14:29:58,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2587 transitions. [2019-12-01 14:29:58,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 14:29:58,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:29:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 14:30:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2191 states and 2606 transitions. [2019-12-01 14:30:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2606 transitions. [2019-12-01 14:30:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 14:30:04,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 14:30:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2211 states and 2626 transitions. [2019-12-01 14:30:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2626 transitions. [2019-12-01 14:30:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 14:30:07,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 14:30:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2237 states and 2652 transitions. [2019-12-01 14:30:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2652 transitions. [2019-12-01 14:30:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-12-01 14:30:11,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:11,558 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-12-01 14:30:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2242 states and 2656 transitions. [2019-12-01 14:30:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2656 transitions. [2019-12-01 14:30:12,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-12-01 14:30:12,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-12-01 14:30:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2246 states and 2659 transitions. [2019-12-01 14:30:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2659 transitions. [2019-12-01 14:30:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 14:30:13,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 14:30:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2298 states and 2720 transitions. [2019-12-01 14:30:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2720 transitions. [2019-12-01 14:30:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 14:30:22,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 14:30:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2311 states and 2731 transitions. [2019-12-01 14:30:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 2731 transitions. [2019-12-01 14:30:23,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 14:30:23,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2019-12-01 14:30:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2319 states and 2742 transitions. [2019-12-01 14:30:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2742 transitions. [2019-12-01 14:30:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 14:30:24,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:24,396 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 14:30:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2342 states and 2767 transitions. [2019-12-01 14:30:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2767 transitions. [2019-12-01 14:30:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 14:30:25,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-12-01 14:30:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2346 states and 2771 transitions. [2019-12-01 14:30:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2771 transitions. [2019-12-01 14:30:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-12-01 14:30:26,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-12-01 14:30:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2387 states and 2812 transitions. [2019-12-01 14:30:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2812 transitions. [2019-12-01 14:30:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-12-01 14:30:29,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 14:30:38,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2460 states and 2895 transitions. [2019-12-01 14:30:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2895 transitions. [2019-12-01 14:30:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-12-01 14:30:38,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-12-01 14:30:40,451 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 14:30:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2488 states and 2922 transitions. [2019-12-01 14:30:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2922 transitions. [2019-12-01 14:30:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-12-01 14:30:43,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-12-01 14:30:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2493 states and 2926 transitions. [2019-12-01 14:30:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2926 transitions. [2019-12-01 14:30:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 14:30:43,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 14:31:10,631 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 14:31:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:31:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2625 states and 3080 transitions. [2019-12-01 14:31:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3080 transitions. [2019-12-01 14:31:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 14:31:13,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:31:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:31:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 14:31:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:31:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2650 states and 3111 transitions. [2019-12-01 14:31:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3111 transitions. [2019-12-01 14:31:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-12-01 14:31:19,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:31:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:31:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2019-12-01 14:31:25,281 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 14:31:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:31:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2591 states and 3047 transitions. [2019-12-01 14:31:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3047 transitions. [2019-12-01 14:31:31,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:31:31,799 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 149 iterations. [2019-12-01 14:31:31,805 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 14:31:31,933 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:32,057 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:32,294 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2019-12-01 14:31:32,410 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:32,603 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2019-12-01 14:31:32,802 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 14:31:32,946 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2019-12-01 14:31:33,216 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2019-12-01 14:31:33,435 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2019-12-01 14:31:33,655 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 26 [2019-12-01 14:31:33,790 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2019-12-01 14:31:34,041 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2019-12-01 14:31:34,324 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2019-12-01 14:31:34,555 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2019-12-01 14:31:34,772 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 31 [2019-12-01 14:31:35,065 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2019-12-01 14:31:35,177 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-12-01 14:31:35,337 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2019-12-01 14:31:35,523 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 14:31:35,686 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-12-01 14:31:35,793 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2019-12-01 14:31:36,056 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:36,206 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-12-01 14:31:36,588 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 14:31:36,907 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2019-12-01 14:31:37,183 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 14:31:37,382 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 14:31:37,542 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 14:31:37,803 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2019-12-01 14:31:37,950 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2019-12-01 14:31:38,105 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2019-12-01 14:31:38,341 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2019-12-01 14:31:38,502 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:38,760 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2019-12-01 14:31:39,063 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 56 [2019-12-01 14:31:39,303 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:39,447 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 14:31:39,697 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 34 [2019-12-01 14:31:39,957 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2019-12-01 14:31:40,174 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2019-12-01 14:31:40,317 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 14:31:40,569 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 36 [2019-12-01 14:31:40,569 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:31:40,573 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2019-12-01 14:31:40,578 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2019-12-01 14:31:40,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:31:40 ImpRootNode [2019-12-01 14:31:40,579 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:31:40,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:31:40,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:31:40,579 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:31:40,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:26:20" (3/4) ... [2019-12-01 14:31:40,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:31:40,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 14:31:40,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 14:31:40,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 14:31:40,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_23399c2b-3195-48e3-b5d9-8298dfd9b951/bin/ukojak/witness.graphml [2019-12-01 14:31:40,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:31:40,672 INFO L168 Benchmark]: Toolchain (without parser) took 321678.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 495.5 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -119.2 MB). Peak memory consumption was 376.3 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,672 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:31:40,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,673 INFO L168 Benchmark]: Boogie Preprocessor took 51.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,673 INFO L168 Benchmark]: RCFGBuilder took 1086.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.3 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,673 INFO L168 Benchmark]: CodeCheck took 320025.96 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 402.7 MB). Free memory was 849.3 MB in the beginning and 1.1 GB in the end (delta: -229.6 MB). Peak memory consumption was 712.8 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,673 INFO L168 Benchmark]: Witness Printer took 91.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:31:40,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 311.2s, OverallIterations: 149, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 438584004 SDtfs, -1973209078 SDslu, -1663725438 SDs, 0 SdLazy, 246659978 SolverSat, 2055216394 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 844.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186534 GetRequests, 182353 SyntacticMatches, 2579 SemanticMatches, 1602 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901161 ImplicationChecksByTransitivity, 278.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 27593 NumberOfCodeBlocks, 27593 NumberOfCodeBlocksAsserted, 148 NumberOfCheckSat, 27445 ConstructedInterpolants, 0 QuantifiedInterpolants, 23155201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 148 InterpolantComputations, 131 PerfectInterpolantSequences, 33071/33541 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 464]: 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: ((!(a16 == 6) || a17 == 1) || (((((!(a21 == 1) && 1 == a7) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1)) || 15 == a8 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a17 == 1) || (((((!(a21 == 1) && 1 == a7) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1)) || 15 == a8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -125.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1086.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 849.3 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * CodeCheck took 320025.96 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 402.7 MB). Free memory was 849.3 MB in the beginning and 1.1 GB in the end (delta: -229.6 MB). Peak memory consumption was 712.8 MB. Max. memory is 11.5 GB. * Witness Printer took 91.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...