./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.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_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/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 6ce363081c1dab610a244bdee8a1005551fe87b5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:30:36,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 12:30:36,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 12:30:36,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 12:30:36,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 12:30:36,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 12:30:36,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 12:30:36,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 12:30:36,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 12:30:36,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 12:30:36,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 12:30:36,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 12:30:36,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 12:30:36,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 12:30:36,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 12:30:36,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 12:30:36,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 12:30:36,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 12:30:36,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 12:30:36,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 12:30:36,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 12:30:36,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 12:30:36,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 12:30:36,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 12:30:36,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 12:30:36,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 12:30:36,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 12:30:36,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 12:30:36,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 12:30:36,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 12:30:36,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 12:30:36,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 12:30:36,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 12:30:36,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 12:30:36,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 12:30:36,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 12:30:36,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 12:30:36,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 12:30:36,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 12:30:36,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 12:30:36,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 12:30:36,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 12:30:36,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 12:30:36,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 12:30:36,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 12:30:36,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 12:30:36,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 12:30:36,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 12:30:36,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 12:30:36,745 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 12:30:36,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 12:30:36,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 12:30:36,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 12:30:36,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 12:30:36,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 12:30:36,746 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 12:30:36,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 12:30:36,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 12:30:36,746 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_6404a34f-eb08-42dc-b5b7-70ba33438b27/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 -> 6ce363081c1dab610a244bdee8a1005551fe87b5 [2019-12-01 12:30:36,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 12:30:36,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 12:30:36,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 12:30:36,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 12:30:36,860 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 12:30:36,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2019-12-01 12:30:36,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/data/43ccc922b/6eb565294bb6450980acecb18ef46838/FLAGecd83546a [2019-12-01 12:30:37,370 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 12:30:37,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/sv-benchmarks/c/eca-rers2012/Problem02_label08.c [2019-12-01 12:30:37,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/data/43ccc922b/6eb565294bb6450980acecb18ef46838/FLAGecd83546a [2019-12-01 12:30:37,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/data/43ccc922b/6eb565294bb6450980acecb18ef46838 [2019-12-01 12:30:37,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 12:30:37,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 12:30:37,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 12:30:37,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 12:30:37,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 12:30:37,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c51c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37, skipping insertion in model container [2019-12-01 12:30:37,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 12:30:37,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 12:30:37,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:30:37,679 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 12:30:37,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 12:30:37,739 INFO L208 MainTranslator]: Completed translation [2019-12-01 12:30:37,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37 WrapperNode [2019-12-01 12:30:37,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 12:30:37,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 12:30:37,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 12:30:37,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 12:30:37,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 12:30:37,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 12:30:37,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 12:30:37,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 12:30:37,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... [2019-12-01 12:30:37,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 12:30:37,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 12:30:37,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 12:30:37,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 12:30:37,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:30:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/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 12:30:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 12:30:37,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 12:30:39,024 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 12:30:39,024 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 12:30:39,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:30:39 BoogieIcfgContainer [2019-12-01 12:30:39,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 12:30:39,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 12:30:39,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 12:30:39,035 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 12:30:39,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:30:39" (1/1) ... [2019-12-01 12:30:39,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 12:30:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-01 12:30:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-01 12:30:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 12:30:39,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:39,338 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 12:30:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2019-12-01 12:30:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2019-12-01 12:30:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 12:30:39,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:30:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 245 states and 330 transitions. [2019-12-01 12:30:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 330 transitions. [2019-12-01 12:30:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 12:30:40,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 262 states and 359 transitions. [2019-12-01 12:30:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2019-12-01 12:30:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 12:30:40,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 280 states and 388 transitions. [2019-12-01 12:30:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2019-12-01 12:30:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 12:30:41,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 283 states and 393 transitions. [2019-12-01 12:30:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2019-12-01 12:30:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 12:30:41,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:41,241 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 12:30:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 304 states and 425 transitions. [2019-12-01 12:30:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 425 transitions. [2019-12-01 12:30:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 12:30:41,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 308 states and 431 transitions. [2019-12-01 12:30:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 431 transitions. [2019-12-01 12:30:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 12:30:41,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 311 states and 435 transitions. [2019-12-01 12:30:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 435 transitions. [2019-12-01 12:30:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 12:30:41,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:30:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 315 states and 442 transitions. [2019-12-01 12:30:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 442 transitions. [2019-12-01 12:30:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 12:30:42,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:30:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 318 states and 447 transitions. [2019-12-01 12:30:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 447 transitions. [2019-12-01 12:30:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 12:30:42,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 12:30:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 332 states and 463 transitions. [2019-12-01 12:30:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 463 transitions. [2019-12-01 12:30:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 12:30:42,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:42,711 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 12:30:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 336 states and 467 transitions. [2019-12-01 12:30:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 467 transitions. [2019-12-01 12:30:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 12:30:42,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:30:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 340 states and 474 transitions. [2019-12-01 12:30:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2019-12-01 12:30:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 12:30:43,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:30:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 343 states and 477 transitions. [2019-12-01 12:30:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 477 transitions. [2019-12-01 12:30:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 12:30:43,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 422 states and 565 transitions. [2019-12-01 12:30:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 565 transitions. [2019-12-01 12:30:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 12:30:43,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 438 states and 590 transitions. [2019-12-01 12:30:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 590 transitions. [2019-12-01 12:30:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 12:30:44,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:44,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 443 states and 594 transitions. [2019-12-01 12:30:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 594 transitions. [2019-12-01 12:30:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 12:30:44,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 473 states and 635 transitions. [2019-12-01 12:30:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 635 transitions. [2019-12-01 12:30:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 12:30:45,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 503 states and 674 transitions. [2019-12-01 12:30:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 674 transitions. [2019-12-01 12:30:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 12:30:46,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 506 states and 678 transitions. [2019-12-01 12:30:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 678 transitions. [2019-12-01 12:30:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 12:30:47,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 509 states and 681 transitions. [2019-12-01 12:30:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 681 transitions. [2019-12-01 12:30:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 12:30:47,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 522 states and 695 transitions. [2019-12-01 12:30:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 695 transitions. [2019-12-01 12:30:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 12:30:47,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 541 states and 717 transitions. [2019-12-01 12:30:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 717 transitions. [2019-12-01 12:30:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 12:30:47,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 542 states and 719 transitions. [2019-12-01 12:30:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 719 transitions. [2019-12-01 12:30:48,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 12:30:48,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 545 states and 722 transitions. [2019-12-01 12:30:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 722 transitions. [2019-12-01 12:30:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 12:30:48,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:30:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 549 states and 725 transitions. [2019-12-01 12:30:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 725 transitions. [2019-12-01 12:30:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 12:30:48,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 12:30:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 554 states and 729 transitions. [2019-12-01 12:30:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 729 transitions. [2019-12-01 12:30:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 12:30:48,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 556 states and 732 transitions. [2019-12-01 12:30:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 732 transitions. [2019-12-01 12:30:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 12:30:48,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 570 states and 747 transitions. [2019-12-01 12:30:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 747 transitions. [2019-12-01 12:30:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 12:30:49,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 574 states and 754 transitions. [2019-12-01 12:30:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 754 transitions. [2019-12-01 12:30:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 12:30:50,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 577 states and 757 transitions. [2019-12-01 12:30:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 757 transitions. [2019-12-01 12:30:50,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 12:30:50,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 617 states and 811 transitions. [2019-12-01 12:30:52,697 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 811 transitions. [2019-12-01 12:30:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 12:30:52,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 620 states and 814 transitions. [2019-12-01 12:30:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 814 transitions. [2019-12-01 12:30:52,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 12:30:52,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 639 states and 833 transitions. [2019-12-01 12:30:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 833 transitions. [2019-12-01 12:30:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:30:53,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:53,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 644 states and 838 transitions. [2019-12-01 12:30:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 838 transitions. [2019-12-01 12:30:53,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 12:30:53,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 646 states and 840 transitions. [2019-12-01 12:30:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 840 transitions. [2019-12-01 12:30:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 12:30:53,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 647 states and 841 transitions. [2019-12-01 12:30:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 841 transitions. [2019-12-01 12:30:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 12:30:53,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 666 states and 863 transitions. [2019-12-01 12:30:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 863 transitions. [2019-12-01 12:30:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 12:30:54,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 667 states and 864 transitions. [2019-12-01 12:30:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 864 transitions. [2019-12-01 12:30:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 12:30:54,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 684 states and 881 transitions. [2019-12-01 12:30:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 881 transitions. [2019-12-01 12:30:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-12-01 12:30:54,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:30:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 686 states and 882 transitions. [2019-12-01 12:30:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 882 transitions. [2019-12-01 12:30:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-01 12:30:54,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:30:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:55,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 701 states and 899 transitions. [2019-12-01 12:30:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 899 transitions. [2019-12-01 12:30:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 12:30:55,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 12:30:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 706 states and 912 transitions. [2019-12-01 12:30:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 912 transitions. [2019-12-01 12:30:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 12:30:55,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 708 states and 914 transitions. [2019-12-01 12:30:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 914 transitions. [2019-12-01 12:30:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 12:30:56,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 12:30:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 712 states and 922 transitions. [2019-12-01 12:30:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 922 transitions. [2019-12-01 12:30:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-01 12:30:59,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 12:30:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 713 states and 923 transitions. [2019-12-01 12:30:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 923 transitions. [2019-12-01 12:30:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 12:30:59,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:30:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:30:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:30:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 717 states and 927 transitions. [2019-12-01 12:30:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 927 transitions. [2019-12-01 12:30:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 12:30:59,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:30:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:00,051 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 12:31:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 719 states and 929 transitions. [2019-12-01 12:31:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 929 transitions. [2019-12-01 12:31:00,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 12:31:00,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 745 states and 956 transitions. [2019-12-01 12:31:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 956 transitions. [2019-12-01 12:31:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 12:31:00,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 757 states and 971 transitions. [2019-12-01 12:31:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 971 transitions. [2019-12-01 12:31:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 12:31:00,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 779 states and 1004 transitions. [2019-12-01 12:31:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1004 transitions. [2019-12-01 12:31:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 12:31:04,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 782 states and 1007 transitions. [2019-12-01 12:31:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1007 transitions. [2019-12-01 12:31:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 12:31:05,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 786 states and 1012 transitions. [2019-12-01 12:31:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1012 transitions. [2019-12-01 12:31:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 12:31:05,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-12-01 12:31:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 798 states and 1023 transitions. [2019-12-01 12:31:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1023 transitions. [2019-12-01 12:31:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 12:31:05,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 828 states and 1052 transitions. [2019-12-01 12:31:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1052 transitions. [2019-12-01 12:31:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 12:31:06,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 853 states and 1077 transitions. [2019-12-01 12:31:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1077 transitions. [2019-12-01 12:31:08,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 12:31:08,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 12:31:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 862 states and 1087 transitions. [2019-12-01 12:31:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1087 transitions. [2019-12-01 12:31:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 12:31:08,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 12:31:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 866 states and 1091 transitions. [2019-12-01 12:31:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1091 transitions. [2019-12-01 12:31:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 12:31:09,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 898 states and 1123 transitions. [2019-12-01 12:31:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1123 transitions. [2019-12-01 12:31:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 12:31:09,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 12:31:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 903 states and 1129 transitions. [2019-12-01 12:31:09,741 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1129 transitions. [2019-12-01 12:31:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 12:31:09,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 12:31:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 904 states and 1130 transitions. [2019-12-01 12:31:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1130 transitions. [2019-12-01 12:31:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 12:31:10,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 940 states and 1175 transitions. [2019-12-01 12:31:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1175 transitions. [2019-12-01 12:31:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 12:31:12,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 943 states and 1179 transitions. [2019-12-01 12:31:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1179 transitions. [2019-12-01 12:31:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 12:31:12,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 12:31:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 968 states and 1209 transitions. [2019-12-01 12:31:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1209 transitions. [2019-12-01 12:31:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 12:31:18,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 12:31:19,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 991 states and 1236 transitions. [2019-12-01 12:31:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1236 transitions. [2019-12-01 12:31:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 12:31:19,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 12:31:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 995 states and 1243 transitions. [2019-12-01 12:31:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1243 transitions. [2019-12-01 12:31:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 12:31:19,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 12:31:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 998 states and 1247 transitions. [2019-12-01 12:31:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1247 transitions. [2019-12-01 12:31:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 12:31:20,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 12:31:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1001 states and 1250 transitions. [2019-12-01 12:31:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1250 transitions. [2019-12-01 12:31:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 12:31:20,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:31:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:22,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1082 states and 1333 transitions. [2019-12-01 12:31:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1333 transitions. [2019-12-01 12:31:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:22,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:31:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1115 states and 1374 transitions. [2019-12-01 12:31:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1374 transitions. [2019-12-01 12:31:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:23,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:31:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1118 states and 1378 transitions. [2019-12-01 12:31:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1378 transitions. [2019-12-01 12:31:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:24,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:31:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1122 states and 1385 transitions. [2019-12-01 12:31:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1385 transitions. [2019-12-01 12:31:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:24,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:31:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1125 states and 1389 transitions. [2019-12-01 12:31:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1389 transitions. [2019-12-01 12:31:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:25,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 12:31:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1128 states and 1392 transitions. [2019-12-01 12:31:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1392 transitions. [2019-12-01 12:31:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 12:31:25,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1132 states and 1398 transitions. [2019-12-01 12:31:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1398 transitions. [2019-12-01 12:31:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 12:31:26,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1149 states and 1415 transitions. [2019-12-01 12:31:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1415 transitions. [2019-12-01 12:31:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 12:31:26,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1153 states and 1420 transitions. [2019-12-01 12:31:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1420 transitions. [2019-12-01 12:31:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 12:31:26,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 12:31:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1156 states and 1423 transitions. [2019-12-01 12:31:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1423 transitions. [2019-12-01 12:31:27,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-12-01 12:31:27,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 12:31:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1193 states and 1467 transitions. [2019-12-01 12:31:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1467 transitions. [2019-12-01 12:31:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 12:31:32,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 12:31:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1231 states and 1507 transitions. [2019-12-01 12:31:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1507 transitions. [2019-12-01 12:31:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-12-01 12:31:32,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 12:31:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1234 states and 1509 transitions. [2019-12-01 12:31:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1509 transitions. [2019-12-01 12:31:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 12:31:32,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 12:31:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1255 states and 1535 transitions. [2019-12-01 12:31:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1535 transitions. [2019-12-01 12:31:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:39,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1256 states and 1536 transitions. [2019-12-01 12:31:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1536 transitions. [2019-12-01 12:31:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:39,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1257 states and 1537 transitions. [2019-12-01 12:31:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1537 transitions. [2019-12-01 12:31:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:39,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1260 states and 1540 transitions. [2019-12-01 12:31:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1540 transitions. [2019-12-01 12:31:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:40,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1261 states and 1541 transitions. [2019-12-01 12:31:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1541 transitions. [2019-12-01 12:31:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:40,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:40,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1264 states and 1544 transitions. [2019-12-01 12:31:40,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1544 transitions. [2019-12-01 12:31:40,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 12:31:40,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 12:31:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1267 states and 1547 transitions. [2019-12-01 12:31:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1547 transitions. [2019-12-01 12:31:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 12:31:40,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1367 states and 1667 transitions. [2019-12-01 12:31:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1667 transitions. [2019-12-01 12:31:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 12:31:52,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1377 states and 1678 transitions. [2019-12-01 12:31:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1678 transitions. [2019-12-01 12:31:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 12:31:54,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1382 states and 1682 transitions. [2019-12-01 12:31:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1682 transitions. [2019-12-01 12:31:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-01 12:31:55,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-12-01 12:31:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1461 states and 1773 transitions. [2019-12-01 12:31:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1773 transitions. [2019-12-01 12:31:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 12:31:56,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1504 states and 1821 transitions. [2019-12-01 12:31:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1821 transitions. [2019-12-01 12:31:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-01 12:31:59,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:31:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:31:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1508 states and 1824 transitions. [2019-12-01 12:31:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2019-12-01 12:31:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-12-01 12:31:59,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:31:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:31:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-12-01 12:32:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1569 states and 1887 transitions. [2019-12-01 12:32:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1887 transitions. [2019-12-01 12:32:00,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-12-01 12:32:00,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-12-01 12:32:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1573 states and 1891 transitions. [2019-12-01 12:32:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1891 transitions. [2019-12-01 12:32:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:02,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1709 states and 2050 transitions. [2019-12-01 12:32:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2050 transitions. [2019-12-01 12:32:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:16,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:19,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1736 states and 2087 transitions. [2019-12-01 12:32:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2087 transitions. [2019-12-01 12:32:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:19,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1742 states and 2094 transitions. [2019-12-01 12:32:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2094 transitions. [2019-12-01 12:32:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:21,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 1750 states and 2104 transitions. [2019-12-01 12:32:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2104 transitions. [2019-12-01 12:32:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:22,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1755 states and 2108 transitions. [2019-12-01 12:32:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2108 transitions. [2019-12-01 12:32:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:23,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1760 states and 2113 transitions. [2019-12-01 12:32:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2113 transitions. [2019-12-01 12:32:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:24,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1764 states and 2116 transitions. [2019-12-01 12:32:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2116 transitions. [2019-12-01 12:32:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:25,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1769 states and 2120 transitions. [2019-12-01 12:32:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2120 transitions. [2019-12-01 12:32:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-12-01 12:32:26,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 12:32:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1770 states and 2121 transitions. [2019-12-01 12:32:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2121 transitions. [2019-12-01 12:32:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 12:32:27,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-12-01 12:32:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1773 states and 2123 transitions. [2019-12-01 12:32:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2123 transitions. [2019-12-01 12:32:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-12-01 12:32:27,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:32:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1792 states and 2142 transitions. [2019-12-01 12:32:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2142 transitions. [2019-12-01 12:32:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-12-01 12:32:28,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:32:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1797 states and 2147 transitions. [2019-12-01 12:32:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2147 transitions. [2019-12-01 12:32:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-12-01 12:32:29,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 12:32:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1801 states and 2150 transitions. [2019-12-01 12:32:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2150 transitions. [2019-12-01 12:32:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 12:32:30,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 12:32:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2066 states and 2448 transitions. [2019-12-01 12:32:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2448 transitions. [2019-12-01 12:32:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 12:32:45,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 12:32:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:32:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2162 states and 2556 transitions. [2019-12-01 12:32:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2556 transitions. [2019-12-01 12:32:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 12:32:48,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:32:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:32:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 62 proven. 413 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 12:33:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2322 states and 2745 transitions. [2019-12-01 12:33:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2745 transitions. [2019-12-01 12:33:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-12-01 12:33:08,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 742 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-12-01 12:33:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2395 states and 2823 transitions. [2019-12-01 12:33:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 2823 transitions. [2019-12-01 12:33:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-12-01 12:33:11,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 742 proven. 4 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-12-01 12:33:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2396 states and 2825 transitions. [2019-12-01 12:33:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2825 transitions. [2019-12-01 12:33:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2019-12-01 12:33:11,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2019-12-01 12:33:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2467 states and 2899 transitions. [2019-12-01 12:33:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2899 transitions. [2019-12-01 12:33:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-12-01 12:33:14,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 12:33:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2557 states and 2997 transitions. [2019-12-01 12:33:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2997 transitions. [2019-12-01 12:33:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-12-01 12:33:23,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 12:33:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2590 states and 3032 transitions. [2019-12-01 12:33:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3032 transitions. [2019-12-01 12:33:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-12-01 12:33:29,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 12:33:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2668 states and 3111 transitions. [2019-12-01 12:33:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3111 transitions. [2019-12-01 12:33:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-12-01 12:33:46,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 12:33:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 12:33:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 864 proven. 811 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2019-12-01 12:33:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 12:33:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2384 states and 2816 transitions. [2019-12-01 12:33:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 2816 transitions. [2019-12-01 12:33:52,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 12:33:52,942 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 120 iterations. [2019-12-01 12:33:52,952 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 12:33:53,099 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2019-12-01 12:33:53,218 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:33:53,412 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:53,581 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2019-12-01 12:33:53,751 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:33:53,955 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2019-12-01 12:33:54,145 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:54,299 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:54,439 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:54,601 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:54,810 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:54,929 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:55,042 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:55,150 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:33:55,267 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2019-12-01 12:33:55,413 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 32 [2019-12-01 12:33:55,562 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 32 [2019-12-01 12:33:55,673 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:33:55,932 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 32 [2019-12-01 12:33:56,071 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:56,190 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2019-12-01 12:33:56,306 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:56,420 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:56,723 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 32 [2019-12-01 12:33:56,832 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:33:57,051 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2019-12-01 12:33:57,161 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:33:57,276 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:33:57,384 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:57,501 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:33:57,627 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2019-12-01 12:33:57,757 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2019-12-01 12:33:57,873 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:57,987 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-12-01 12:33:58,115 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:33:58,243 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:58,371 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:33:58,508 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 32 [2019-12-01 12:33:58,698 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:58,946 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 32 [2019-12-01 12:33:59,090 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 32 [2019-12-01 12:33:59,203 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-12-01 12:33:59,318 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2019-12-01 12:33:59,525 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:33:59,678 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:33:59,844 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2019-12-01 12:34:00,008 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2019-12-01 12:34:00,149 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2019-12-01 12:34:00,257 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:34:00,378 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 32 [2019-12-01 12:34:00,506 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2019-12-01 12:34:00,737 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2019-12-01 12:34:00,855 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2019-12-01 12:34:00,964 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:34:01,072 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:34:01,224 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 32 [2019-12-01 12:34:01,374 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2019-12-01 12:34:01,607 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:34:01,753 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2019-12-01 12:34:02,102 WARN L192 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 32 [2019-12-01 12:34:02,264 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 12:34:02,428 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 32 [2019-12-01 12:34:02,590 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:34:02,945 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 32 [2019-12-01 12:34:03,223 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2019-12-01 12:34:03,421 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2019-12-01 12:34:03,693 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2019-12-01 12:34:03,693 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 12:34:03,699 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 12:34:03,710 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 12:34:03,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:34:03 ImpRootNode [2019-12-01 12:34:03,712 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 12:34:03,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 12:34:03,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 12:34:03,713 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 12:34:03,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:30:39" (3/4) ... [2019-12-01 12:34:03,717 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 12:34:03,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-12-01 12:34:03,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-01 12:34:03,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 12:34:03,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 12:34:03,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6404a34f-eb08-42dc-b5b7-70ba33438b27/bin/ukojak/witness.graphml [2019-12-01 12:34:03,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 12:34:03,824 INFO L168 Benchmark]: Toolchain (without parser) took 206432.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 461.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 273.8 MB. Max. memory is 11.5 GB. [2019-12-01 12:34:03,824 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 12:34:03,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-01 12:34:03,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.64 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 12:34:03,825 INFO L168 Benchmark]: Boogie Preprocessor took 55.70 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 12:34:03,825 INFO L168 Benchmark]: RCFGBuilder took 1177.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 840.4 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. [2019-12-01 12:34:03,826 INFO L168 Benchmark]: CodeCheck took 204686.33 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 363.3 MB). Free memory was 840.4 MB in the beginning and 1.1 GB in the end (delta: -305.1 MB). Peak memory consumption was 649.7 MB. Max. memory is 11.5 GB. [2019-12-01 12:34:03,826 INFO L168 Benchmark]: Witness Printer took 110.44 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 12:34:03,827 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 193.8s, OverallIterations: 120, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 620761980 SDtfs, -932560752 SDslu, -551510824 SDs, 0 SdLazy, 1108610440 SolverSat, -860225432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 384.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157487 GetRequests, 151904 SyntacticMatches, 4433 SemanticMatches, 1150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076672 ImplicationChecksByTransitivity, 166.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 23555 NumberOfCodeBlocks, 23555 NumberOfCodeBlocksAsserted, 119 NumberOfCheckSat, 23436 ConstructedInterpolants, 0 QuantifiedInterpolants, 35083462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 119 InterpolantComputations, 79 PerfectInterpolantSequences, 23036/27556 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: 538]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((!(a19 == 1) || (a28 == 8 && !(a17 == 9))) || a17 == 8) || a25 == 1) || !(a11 == 1)) || ((!(a28 == 8) && (a21 == 1 || !(a17 == 9))) && ((!(a17 == 7) && a21 == 1) || !(a28 == 11))) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((!(a19 == 1) || (a28 == 8 && !(a17 == 9))) || a17 == 8) || !(a11 == 1)) || a25 == 1) || ((!(a28 == 8) && (a21 == 1 || !(a17 == 9))) && ((!(a17 == 7) && a21 == 1) || !(a28 == 11))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.64 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 55.70 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 1177.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 840.4 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. * CodeCheck took 204686.33 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 363.3 MB). Free memory was 840.4 MB in the beginning and 1.1 GB in the end (delta: -305.1 MB). Peak memory consumption was 649.7 MB. Max. memory is 11.5 GB. * Witness Printer took 110.44 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...