./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05d2a3ff1add36607a16806c355c4adc86a8978e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:01:36,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:01:36,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:01:36,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:01:36,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:01:36,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:01:36,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:01:36,741 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:01:36,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:01:36,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:01:36,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:01:36,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:01:36,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:01:36,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:01:36,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:01:36,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:01:36,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:01:36,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:01:36,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:01:36,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:01:36,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:01:36,748 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:01:36,750 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:01:36,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:01:36,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:01:36,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:01:36,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:01:36,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:01:36,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:01:36,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:01:36,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:01:36,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:01:36,753 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:01:36,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:01:36,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:01:36,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:01:36,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 22:01:36,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:01:36,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:01:36,761 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:01:36,761 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:01:36,762 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:01:36,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:01:36,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:01:36,763 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:01:36,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:01:36,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:01:36,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:01:36,764 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-12-01 22:01:36,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:01:36,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:01:36,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:01:36,795 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:01:36,795 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:01:36,796 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-01 22:01:36,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/data/aeb88941f/4d3c625f62be43dba279bbbdba500d4a/FLAGd6d0496fc [2018-12-01 22:01:37,322 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:01:37,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-12-01 22:01:37,331 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/data/aeb88941f/4d3c625f62be43dba279bbbdba500d4a/FLAGd6d0496fc [2018-12-01 22:01:37,341 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/data/aeb88941f/4d3c625f62be43dba279bbbdba500d4a [2018-12-01 22:01:37,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:01:37,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:01:37,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:01:37,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:01:37,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:01:37,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37, skipping insertion in model container [2018-12-01 22:01:37,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:01:37,383 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:01:37,563 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:01:37,566 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:01:37,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:01:37,666 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:01:37,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37 WrapperNode [2018-12-01 22:01:37,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:01:37,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:01:37,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:01:37,668 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:01:37,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:01:37,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:01:37,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:01:37,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:01:37,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... [2018-12-01 22:01:37,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:01:37,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:01:37,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:01:37,741 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:01:37,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:01:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:01:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:01:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:01:38,749 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:01:38,749 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 22:01:38,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:01:38 BoogieIcfgContainer [2018-12-01 22:01:38,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:01:38,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:01:38,750 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:01:38,757 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:01:38,757 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:01:38" (1/1) ... [2018-12-01 22:01:38,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:01:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 22:01:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 22:01:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 22:01:38,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-01 22:01:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-01 22:01:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 22:01:39,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:01:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-01 22:01:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-01 22:01:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 22:01:39,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-01 22:01:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-01 22:01:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 22:01:39,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-01 22:01:39,945 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-01 22:01:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 22:01:39,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-01 22:01:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-01 22:01:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 22:01:40,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-01 22:01:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-01 22:01:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 22:01:40,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 239 states and 333 transitions. [2018-12-01 22:01:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 333 transitions. [2018-12-01 22:01:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 22:01:40,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-01 22:01:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-01 22:01:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 22:01:40,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-01 22:01:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-01 22:01:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 22:01:40,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:01:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-01 22:01:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-01 22:01:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:01:40,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:01:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 255 states and 352 transitions. [2018-12-01 22:01:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 352 transitions. [2018-12-01 22:01:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:01:41,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:01:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-01 22:01:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-01 22:01:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:01:41,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-01 22:01:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-01 22:01:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 22:01:41,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:01:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-01 22:01:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-01 22:01:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 22:01:41,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-01 22:01:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-01 22:01:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 22:01:41,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-01 22:01:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-01 22:01:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 22:01:41,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 305 states and 420 transitions. [2018-12-01 22:01:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2018-12-01 22:01:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 22:01:42,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 308 states and 424 transitions. [2018-12-01 22:01:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2018-12-01 22:01:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 22:01:43,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-01 22:01:43,157 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-01 22:01:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 22:01:43,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-01 22:01:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-01 22:01:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 22:01:43,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-01 22:01:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-01 22:01:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 22:01:43,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 22:01:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-01 22:01:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-01 22:01:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 22:01:43,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-01 22:01:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-01 22:01:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 22:01:43,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-01 22:01:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-01 22:01:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 22:01:43,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 22:01:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-01 22:01:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-01 22:01:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 22:01:44,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-01 22:01:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-01 22:01:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 22:01:44,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-01 22:01:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-01 22:01:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 22:01:44,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-01 22:01:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-01 22:01:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 22:01:46,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-01 22:01:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-01 22:01:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 22:01:46,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-01 22:01:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-01 22:01:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 22:01:47,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 22:01:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-01 22:01:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-01 22:01:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 22:01:47,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 22:01:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-01 22:01:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-01 22:01:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 22:01:47,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-01 22:01:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-01 22:01:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 22:01:48,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-01 22:01:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-01 22:01:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 22:01:48,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:01:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-01 22:01:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-01 22:01:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 22:01:48,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 22:01:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-01 22:01:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-01 22:01:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 22:01:48,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 500 states and 655 transitions. [2018-12-01 22:01:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 655 transitions. [2018-12-01 22:01:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 22:01:49,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:01:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 510 states and 667 transitions. [2018-12-01 22:01:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 667 transitions. [2018-12-01 22:01:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 22:01:49,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:01:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 519 states and 685 transitions. [2018-12-01 22:01:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 685 transitions. [2018-12-01 22:01:50,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 22:01:50,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 567 states and 741 transitions. [2018-12-01 22:01:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 741 transitions. [2018-12-01 22:01:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 22:01:52,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 612 states and 792 transitions. [2018-12-01 22:01:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 792 transitions. [2018-12-01 22:01:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 22:01:54,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 643 states and 824 transitions. [2018-12-01 22:01:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 824 transitions. [2018-12-01 22:01:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 22:01:55,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:01:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 648 states and 832 transitions. [2018-12-01 22:01:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 832 transitions. [2018-12-01 22:01:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 22:01:55,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 22:01:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 657 states and 850 transitions. [2018-12-01 22:01:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 850 transitions. [2018-12-01 22:01:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 22:01:56,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 22:01:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 658 states and 851 transitions. [2018-12-01 22:01:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 851 transitions. [2018-12-01 22:01:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 22:01:57,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:01:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:01:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 707 states and 906 transitions. [2018-12-01 22:01:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 906 transitions. [2018-12-01 22:01:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 22:01:57,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:01:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:01:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:02:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 754 states and 958 transitions. [2018-12-01 22:02:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 958 transitions. [2018-12-01 22:02:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 22:02:01,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:02:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 774 states and 979 transitions. [2018-12-01 22:02:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 979 transitions. [2018-12-01 22:02:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 22:02:02,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:02:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 786 states and 998 transitions. [2018-12-01 22:02:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 998 transitions. [2018-12-01 22:02:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 22:02:03,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:02:06,759 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 22:02:08,664 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 22:02:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 851 states and 1068 transitions. [2018-12-01 22:02:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1068 transitions. [2018-12-01 22:02:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 22:02:11,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:02:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 868 states and 1086 transitions. [2018-12-01 22:02:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1086 transitions. [2018-12-01 22:02:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 22:02:11,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 891 states and 1123 transitions. [2018-12-01 22:02:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1123 transitions. [2018-12-01 22:02:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 22:02:15,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 903 states and 1135 transitions. [2018-12-01 22:02:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1135 transitions. [2018-12-01 22:02:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 22:02:17,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 22:02:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 907 states and 1138 transitions. [2018-12-01 22:02:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1138 transitions. [2018-12-01 22:02:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 22:02:17,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:02:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 909 states and 1140 transitions. [2018-12-01 22:02:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1140 transitions. [2018-12-01 22:02:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 22:02:17,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:02:21,317 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-01 22:02:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 934 states and 1174 transitions. [2018-12-01 22:02:22,617 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1174 transitions. [2018-12-01 22:02:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 22:02:22,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:02:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 946 states and 1191 transitions. [2018-12-01 22:02:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1191 transitions. [2018-12-01 22:02:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 22:02:24,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:02:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1015 states and 1261 transitions. [2018-12-01 22:02:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1261 transitions. [2018-12-01 22:02:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 22:02:25,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 22:02:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1027 states and 1281 transitions. [2018-12-01 22:02:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1281 transitions. [2018-12-01 22:02:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 22:02:27,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:02:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1079 states and 1345 transitions. [2018-12-01 22:02:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1345 transitions. [2018-12-01 22:02:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 22:02:30,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:02:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1096 states and 1361 transitions. [2018-12-01 22:02:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1361 transitions. [2018-12-01 22:02:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 22:02:30,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:02:30,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1098 states and 1363 transitions. [2018-12-01 22:02:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1363 transitions. [2018-12-01 22:02:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 22:02:30,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1136 states and 1408 transitions. [2018-12-01 22:02:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1408 transitions. [2018-12-01 22:02:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 22:02:33,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1139 states and 1412 transitions. [2018-12-01 22:02:34,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1412 transitions. [2018-12-01 22:02:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 22:02:34,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1156 states and 1440 transitions. [2018-12-01 22:02:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1440 transitions. [2018-12-01 22:02:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 22:02:39,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 22:02:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1158 states and 1442 transitions. [2018-12-01 22:02:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1442 transitions. [2018-12-01 22:02:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 22:02:39,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 22:02:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1198 states and 1485 transitions. [2018-12-01 22:02:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1485 transitions. [2018-12-01 22:02:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 22:02:44,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 22:02:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1200 states and 1486 transitions. [2018-12-01 22:02:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1486 transitions. [2018-12-01 22:02:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 22:02:44,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 22:02:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1203 states and 1489 transitions. [2018-12-01 22:02:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1489 transitions. [2018-12-01 22:02:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 22:02:45,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 22:02:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1208 states and 1496 transitions. [2018-12-01 22:02:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1496 transitions. [2018-12-01 22:02:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 22:02:45,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1213 states and 1501 transitions. [2018-12-01 22:02:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1501 transitions. [2018-12-01 22:02:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 22:02:45,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1226 states and 1517 transitions. [2018-12-01 22:02:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1517 transitions. [2018-12-01 22:02:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 22:02:47,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1240 states and 1531 transitions. [2018-12-01 22:02:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1531 transitions. [2018-12-01 22:02:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 22:02:49,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1257 states and 1547 transitions. [2018-12-01 22:02:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1547 transitions. [2018-12-01 22:02:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 22:02:50,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:02:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1258 states and 1548 transitions. [2018-12-01 22:02:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1548 transitions. [2018-12-01 22:02:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 22:02:51,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 22:02:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1296 states and 1592 transitions. [2018-12-01 22:02:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1592 transitions. [2018-12-01 22:02:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 22:02:52,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 22:02:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1298 states and 1593 transitions. [2018-12-01 22:02:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1593 transitions. [2018-12-01 22:02:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 22:02:53,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 22:02:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1365 states and 1662 transitions. [2018-12-01 22:02:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1662 transitions. [2018-12-01 22:02:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 22:02:54,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 22:02:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:02:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1378 states and 1678 transitions. [2018-12-01 22:02:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1678 transitions. [2018-12-01 22:02:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 22:02:54,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:02:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:02:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 22:02:58,490 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-12-01 22:03:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1389 states and 1691 transitions. [2018-12-01 22:03:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1691 transitions. [2018-12-01 22:03:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 22:03:00,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 22:03:01,595 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-01 22:03:05,537 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 22:03:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1428 states and 1732 transitions. [2018-12-01 22:03:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1732 transitions. [2018-12-01 22:03:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 22:03:07,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 22:03:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1444 states and 1754 transitions. [2018-12-01 22:03:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1754 transitions. [2018-12-01 22:03:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 22:03:08,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 22:03:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1473 states and 1793 transitions. [2018-12-01 22:03:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1793 transitions. [2018-12-01 22:03:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 22:03:12,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 22:03:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1485 states and 1807 transitions. [2018-12-01 22:03:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1807 transitions. [2018-12-01 22:03:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 22:03:13,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 22:03:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1487 states and 1810 transitions. [2018-12-01 22:03:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1810 transitions. [2018-12-01 22:03:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 22:03:14,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 22:03:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1501 states and 1824 transitions. [2018-12-01 22:03:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1824 transitions. [2018-12-01 22:03:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 22:03:15,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 25 proven. 190 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 22:03:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1597 states and 1936 transitions. [2018-12-01 22:03:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1936 transitions. [2018-12-01 22:03:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 22:03:23,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1625 states and 1970 transitions. [2018-12-01 22:03:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1970 transitions. [2018-12-01 22:03:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-01 22:03:29,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1627 states and 1973 transitions. [2018-12-01 22:03:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1973 transitions. [2018-12-01 22:03:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 22:03:29,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1631 states and 1980 transitions. [2018-12-01 22:03:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1980 transitions. [2018-12-01 22:03:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 22:03:30,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1654 states and 2003 transitions. [2018-12-01 22:03:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2003 transitions. [2018-12-01 22:03:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 22:03:32,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1665 states and 2013 transitions. [2018-12-01 22:03:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2013 transitions. [2018-12-01 22:03:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 22:03:33,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-01 22:03:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1735 states and 2091 transitions. [2018-12-01 22:03:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2091 transitions. [2018-12-01 22:03:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-01 22:03:34,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-12-01 22:03:35,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1746 states and 2102 transitions. [2018-12-01 22:03:35,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2102 transitions. [2018-12-01 22:03:35,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 22:03:35,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:42,468 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 22:03:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1802 states and 2167 transitions. [2018-12-01 22:03:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2167 transitions. [2018-12-01 22:03:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 22:03:43,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1841 states and 2213 transitions. [2018-12-01 22:03:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2213 transitions. [2018-12-01 22:03:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 22:03:46,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1846 states and 2218 transitions. [2018-12-01 22:03:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2218 transitions. [2018-12-01 22:03:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 22:03:47,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1851 states and 2223 transitions. [2018-12-01 22:03:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2223 transitions. [2018-12-01 22:03:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-01 22:03:51,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 22:03:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:03:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1854 states and 2226 transitions. [2018-12-01 22:03:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2226 transitions. [2018-12-01 22:03:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-01 22:03:52,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:03:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:03:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 15 proven. 239 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-01 22:04:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1942 states and 2351 transitions. [2018-12-01 22:04:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2351 transitions. [2018-12-01 22:04:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 22:04:08,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 22:04:18,631 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 22:04:24,196 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 22:04:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2012 states and 2424 transitions. [2018-12-01 22:04:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2424 transitions. [2018-12-01 22:04:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 22:04:24,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 22:04:29,415 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 22:04:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2072 states and 2483 transitions. [2018-12-01 22:04:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2483 transitions. [2018-12-01 22:04:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 22:04:31,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 22:04:34,323 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 22:04:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2078 states and 2488 transitions. [2018-12-01 22:04:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2488 transitions. [2018-12-01 22:04:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:34,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 22:04:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2079 states and 2489 transitions. [2018-12-01 22:04:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2489 transitions. [2018-12-01 22:04:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:37,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:04:42,948 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-01 22:04:46,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2128 states and 2539 transitions. [2018-12-01 22:04:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2539 transitions. [2018-12-01 22:04:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:46,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 22:04:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2199 states and 2614 transitions. [2018-12-01 22:04:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2614 transitions. [2018-12-01 22:04:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:49,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:04:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2205 states and 2620 transitions. [2018-12-01 22:04:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2620 transitions. [2018-12-01 22:04:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:51,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:04:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2207 states and 2621 transitions. [2018-12-01 22:04:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2621 transitions. [2018-12-01 22:04:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:52,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:04:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2216 states and 2629 transitions. [2018-12-01 22:04:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2629 transitions. [2018-12-01 22:04:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:04:54,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:04:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:04:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2218 states and 2630 transitions. [2018-12-01 22:04:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2630 transitions. [2018-12-01 22:04:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 22:04:57,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:04:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:04:58,856 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2018-12-01 22:05:00,126 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-01 22:05:01,321 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-01 22:05:02,450 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-12-01 22:05:03,641 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-12-01 22:05:04,818 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2018-12-01 22:05:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 22:05:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2238 states and 2651 transitions. [2018-12-01 22:05:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2651 transitions. [2018-12-01 22:05:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 22:05:10,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 22:05:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2261 states and 2673 transitions. [2018-12-01 22:05:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2673 transitions. [2018-12-01 22:05:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:16,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:18,299 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 22:05:20,639 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 22:05:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2272 states and 2702 transitions. [2018-12-01 22:05:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2702 transitions. [2018-12-01 22:05:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:26,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2274 states and 2704 transitions. [2018-12-01 22:05:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2704 transitions. [2018-12-01 22:05:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:28,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2293 states and 2723 transitions. [2018-12-01 22:05:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 2723 transitions. [2018-12-01 22:05:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:30,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2298 states and 2728 transitions. [2018-12-01 22:05:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2728 transitions. [2018-12-01 22:05:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:31,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2312 states and 2742 transitions. [2018-12-01 22:05:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2742 transitions. [2018-12-01 22:05:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 22:05:31,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:05:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2321 states and 2751 transitions. [2018-12-01 22:05:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2751 transitions. [2018-12-01 22:05:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 22:05:32,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:05:38,090 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2018-12-01 22:05:40,637 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-12-01 22:05:43,276 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 22:05:44,552 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 22:05:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2331 states and 2763 transitions. [2018-12-01 22:05:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2763 transitions. [2018-12-01 22:05:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 22:05:45,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:05:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:05:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2342 states and 2777 transitions. [2018-12-01 22:05:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2777 transitions. [2018-12-01 22:05:48,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 22:05:48,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:05:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:05:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:06:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2382 states and 2816 transitions. [2018-12-01 22:06:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2816 transitions. [2018-12-01 22:06:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 22:06:00,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:06:04,394 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2018-12-01 22:06:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2405 states and 2838 transitions. [2018-12-01 22:06:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2838 transitions. [2018-12-01 22:06:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 22:06:07,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:06:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2421 states and 2853 transitions. [2018-12-01 22:06:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2853 transitions. [2018-12-01 22:06:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 22:06:11,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:06:22,656 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 22:06:27,153 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-01 22:06:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2469 states and 2901 transitions. [2018-12-01 22:06:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2901 transitions. [2018-12-01 22:06:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 22:06:28,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 22:06:33,444 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 22:06:46,824 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 22:06:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 2553 states and 3017 transitions. [2018-12-01 22:06:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3017 transitions. [2018-12-01 22:06:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 22:06:48,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 22:06:57,258 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 22:06:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:06:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 2640 states and 3109 transitions. [2018-12-01 22:06:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3109 transitions. [2018-12-01 22:06:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 22:06:58,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:06:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:06:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 22:06:59,296 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 22:07:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2651 states and 3119 transitions. [2018-12-01 22:07:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3119 transitions. [2018-12-01 22:07:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 22:07:00,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 22:07:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2652 states and 3119 transitions. [2018-12-01 22:07:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3119 transitions. [2018-12-01 22:07:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 22:07:01,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 22:07:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2654 states and 3121 transitions. [2018-12-01 22:07:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3121 transitions. [2018-12-01 22:07:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 22:07:01,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 22:07:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2667 states and 3140 transitions. [2018-12-01 22:07:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3140 transitions. [2018-12-01 22:07:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 22:07:13,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 22:07:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 2695 states and 3169 transitions. [2018-12-01 22:07:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3169 transitions. [2018-12-01 22:07:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 22:07:14,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 22:07:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 2715 states and 3190 transitions. [2018-12-01 22:07:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3190 transitions. [2018-12-01 22:07:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 22:07:18,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:07:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 2719 states and 3194 transitions. [2018-12-01 22:07:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3194 transitions. [2018-12-01 22:07:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 22:07:20,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:07:27,423 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-01 22:07:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 2760 states and 3237 transitions. [2018-12-01 22:07:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3237 transitions. [2018-12-01 22:07:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 22:07:31,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-01 22:07:36,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 2829 states and 3308 transitions. [2018-12-01 22:07:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3308 transitions. [2018-12-01 22:07:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 22:07:36,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:38,452 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-01 22:07:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 22:07:41,370 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 22:07:43,712 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 22:07:49,040 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-01 22:07:50,590 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 22:07:51,721 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 22:07:53,887 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 22:07:57,628 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 22:07:59,024 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 22:07:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 2869 states and 3357 transitions. [2018-12-01 22:07:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 3357 transitions. [2018-12-01 22:07:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 22:07:59,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:07:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 22:07:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:07:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2877 states and 3364 transitions. [2018-12-01 22:07:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 3364 transitions. [2018-12-01 22:07:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 22:07:59,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:07:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 22:08:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:08:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 2953 states and 3441 transitions. [2018-12-01 22:08:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3441 transitions. [2018-12-01 22:08:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 22:08:06,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:08:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:08:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:08:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 2959 states and 3447 transitions. [2018-12-01 22:08:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3447 transitions. [2018-12-01 22:08:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 22:08:10,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:08:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 22:08:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:08:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 2982 states and 3470 transitions. [2018-12-01 22:08:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3470 transitions. [2018-12-01 22:08:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 22:08:14,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:08:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 22:08:33,740 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-01 22:08:36,428 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-01 22:08:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:08:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3082 states and 3584 transitions. [2018-12-01 22:08:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3584 transitions. [2018-12-01 22:08:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 22:08:40,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:08:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 22:08:44,030 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 22:08:49,810 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 22:08:55,824 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 22:09:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:09:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3176 states and 3695 transitions. [2018-12-01 22:09:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3695 transitions. [2018-12-01 22:09:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 22:09:01,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:09:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 22:09:19,727 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-01 22:09:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:09:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3248 states and 3781 transitions. [2018-12-01 22:09:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 3781 transitions. [2018-12-01 22:09:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 22:09:21,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:09:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 22:09:29,640 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 22:09:31,225 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-01 22:09:33,043 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-01 22:09:34,472 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 22:09:38,921 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-01 22:09:40,729 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 22:09:43,398 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 22:09:44,917 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-01 22:09:45,429 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 22:09:49,961 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-01 22:09:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:09:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3306 states and 3842 transitions. [2018-12-01 22:09:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 3842 transitions. [2018-12-01 22:09:50,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 22:09:50,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:09:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 22:09:51,725 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-01 22:09:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:09:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3317 states and 3851 transitions. [2018-12-01 22:09:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 3851 transitions. [2018-12-01 22:09:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 22:09:54,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:09:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 22:10:02,311 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 22:10:04,596 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-01 22:10:10,163 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-01 22:10:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:10,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3329 states and 3866 transitions. [2018-12-01 22:10:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3866 transitions. [2018-12-01 22:10:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 22:10:10,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:10:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 22:10:11,297 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 22:10:12,550 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 22:10:13,825 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 22:10:15,399 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 22:10:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3356 states and 3895 transitions. [2018-12-01 22:10:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3895 transitions. [2018-12-01 22:10:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 22:10:17,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:10:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 22:10:21,108 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-01 22:10:21,861 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 22:10:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3368 states and 3905 transitions. [2018-12-01 22:10:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3905 transitions. [2018-12-01 22:10:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 22:10:25,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:10:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-01 22:10:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3373 states and 3913 transitions. [2018-12-01 22:10:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3913 transitions. [2018-12-01 22:10:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 22:10:27,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:10:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-01 22:10:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 3444 states and 3986 transitions. [2018-12-01 22:10:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 3986 transitions. [2018-12-01 22:10:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 22:10:32,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:10:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:10:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-01 22:10:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:10:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3372 states and 3912 transitions. [2018-12-01 22:10:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 3912 transitions. [2018-12-01 22:10:32,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:10:32,921 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 152 iterations. [2018-12-01 22:10:32,929 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 22:10:33,130 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-01 22:10:33,307 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 42 [2018-12-01 22:10:33,576 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 41 [2018-12-01 22:10:33,756 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 22:10:33,946 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 12 [2018-12-01 22:10:34,302 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-01 22:10:34,476 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2018-12-01 22:10:34,660 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 12 [2018-12-01 22:10:34,917 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 41 [2018-12-01 22:10:35,147 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2018-12-01 22:10:35,406 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 42 [2018-12-01 22:10:35,576 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 12 [2018-12-01 22:10:35,843 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 12 [2018-12-01 22:10:36,049 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 12 [2018-12-01 22:10:36,165 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 12 [2018-12-01 22:10:36,472 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2018-12-01 22:10:36,797 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 12 [2018-12-01 22:10:36,978 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2018-12-01 22:10:37,164 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 12 [2018-12-01 22:10:37,454 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-01 22:10:37,709 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 22:10:37,901 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-01 22:10:38,076 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-01 22:10:38,193 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2018-12-01 22:10:38,353 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 37 [2018-12-01 22:10:38,578 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2018-12-01 22:10:38,748 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-01 22:10:38,971 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 22:10:39,263 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-01 22:10:39,496 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 12 [2018-12-01 22:10:39,707 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 22:10:40,001 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 42 [2018-12-01 22:10:40,322 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-01 22:10:40,615 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 42 [2018-12-01 22:10:40,782 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 42 [2018-12-01 22:10:41,105 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2018-12-01 22:10:41,253 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2018-12-01 22:10:41,560 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 22:10:41,680 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2018-12-01 22:10:41,932 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 42 [2018-12-01 22:10:42,162 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-01 22:10:42,421 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 41 [2018-12-01 22:10:42,802 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 73 [2018-12-01 22:10:43,080 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 42 [2018-12-01 22:10:43,254 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2018-12-01 22:10:43,505 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 12 [2018-12-01 22:10:43,813 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 12 [2018-12-01 22:10:44,140 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 42 [2018-12-01 22:10:44,437 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2018-12-01 22:10:44,594 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 12 [2018-12-01 22:10:44,595 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 22:10:44,597 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-01 22:10:44,601 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-01 22:10:44,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:10:44 ImpRootNode [2018-12-01 22:10:44,601 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:10:44,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:10:44,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:10:44,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:10:44,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:01:38" (3/4) ... [2018-12-01 22:10:44,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:10:44,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 22:10:44,614 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 22:10:44,614 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 22:10:44,615 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:10:44,669 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2f7c080-05fe-45db-af9f-002f1fca53de/bin-2019/ukojak/witness.graphml [2018-12-01 22:10:44,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:10:44,669 INFO L168 Benchmark]: Toolchain (without parser) took 547325.86 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 800.1 MB). Free memory was 945.2 MB in the beginning and 860.3 MB in the end (delta: 84.9 MB). Peak memory consumption was 885.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:10:44,669 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.41 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. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: Boogie Preprocessor took 31.33 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. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: RCFGBuilder took 1009.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.6 MB in the end (delta: 205.6 MB). Peak memory consumption was 205.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: CodeCheck took 545850.97 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 686.3 MB). Free memory was 885.6 MB in the beginning and 878.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-01 22:10:44,670 INFO L168 Benchmark]: Witness Printer took 67.36 ms. Allocated memory is still 1.8 GB. Free memory was 878.6 MB in the beginning and 860.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:10:44,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 534.1s OverallTime, 152 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 545692312 SDtfs, -222468874 SDslu, -1029465456 SDs, 0 SdLazy, 140015822 SolverSat, -1206852808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 809.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197107 GetRequests, 187980 SyntacticMatches, 6941 SemanticMatches, 2186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3693116 ImplicationChecksByTransitivity, 498.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 59.0s InterpolantComputationTime, 29712 NumberOfCodeBlocks, 29712 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 29561 ConstructedInterpolants, 0 QuantifiedInterpolants, 53049476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 151 InterpolantComputations, 117 PerfectInterpolantSequences, 36795/38734 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (a7 == 1 || !(a16 == 6)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a7 == 1 || !(a16 == 6)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.41 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 31.33 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 1009.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.6 MB in the end (delta: 205.6 MB). Peak memory consumption was 205.6 MB. Max. memory is 11.5 GB. * CodeCheck took 545850.97 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 686.3 MB). Free memory was 885.6 MB in the beginning and 878.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 67.36 ms. Allocated memory is still 1.8 GB. Free memory was 878.6 MB in the beginning and 860.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...