./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c896360830ff8b0574c029e3cde358b7dc7cde03 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:16:53,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:16:53,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:16:53,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:16:53,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:16:53,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:16:53,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:16:53,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:16:53,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:16:53,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:16:53,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:16:53,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:16:53,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:16:53,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:16:53,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:16:53,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:16:53,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:16:53,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:16:53,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:16:53,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:16:53,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:16:53,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:16:53,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:16:53,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:16:53,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:16:53,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:16:53,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:16:53,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:16:53,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:16:53,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:16:53,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:16:53,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:16:53,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:16:53,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:16:53,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:16:53,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:16:53,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:16:53,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:16:53,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:16:53,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:16:53,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:16:53,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:16:53,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:16:53,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:16:53,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:16:53,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:16:53,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:16:53,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:16:53,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:16:53,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:16:53,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:16:53,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:16:53,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:16:53,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:16:53,819 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:16:53,819 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:16:53,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:16:53,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:16:53,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:16:53,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:16:53,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:16:53,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:16:53,821 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:16:53,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:16:53,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:16:53,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896360830ff8b0574c029e3cde358b7dc7cde03 [2019-12-02 01:16:53,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:16:53,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:16:53,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:16:53,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:16:53,942 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:16:53,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2019-12-02 01:16:53,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/data/32e902420/3f2a21cf46a74512aaa904a16c710ada/FLAGa2893b626 [2019-12-02 01:16:54,462 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:16:54,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2019-12-02 01:16:54,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/data/32e902420/3f2a21cf46a74512aaa904a16c710ada/FLAGa2893b626 [2019-12-02 01:16:54,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/data/32e902420/3f2a21cf46a74512aaa904a16c710ada [2019-12-02 01:16:54,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:16:54,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:16:54,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:16:54,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:16:54,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:16:54,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54, skipping insertion in model container [2019-12-02 01:16:54,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:16:54,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:16:54,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:16:54,764 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:16:54,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:16:54,825 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:16:54,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54 WrapperNode [2019-12-02 01:16:54,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:16:54,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:16:54,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:16:54,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:16:54,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:16:54,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:16:54,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:16:54,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:16:54,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... [2019-12-02 01:16:54,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:16:54,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:16:54,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:16:54,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:16:54,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:16:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:16:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:16:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:16:56,084 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:16:56,084 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 01:16:56,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:56 BoogieIcfgContainer [2019-12-02 01:16:56,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:16:56,086 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:16:56,086 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:16:56,093 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:16:56,093 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:56" (1/1) ... [2019-12-02 01:16:56,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:16:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-02 01:16:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-02 01:16:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 01:16:56,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 163 states and 242 transitions. [2019-12-02 01:16:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2019-12-02 01:16:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-02 01:16:56,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 01:16:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 245 states and 331 transitions. [2019-12-02 01:16:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2019-12-02 01:16:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-02 01:16:57,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 251 states and 337 transitions. [2019-12-02 01:16:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2019-12-02 01:16:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-02 01:16:57,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 254 states and 340 transitions. [2019-12-02 01:16:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 340 transitions. [2019-12-02 01:16:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-02 01:16:57,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 256 states and 342 transitions. [2019-12-02 01:16:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 342 transitions. [2019-12-02 01:16:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-02 01:16:57,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 273 states and 367 transitions. [2019-12-02 01:16:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2019-12-02 01:16:57,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-02 01:16:57,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 291 states and 395 transitions. [2019-12-02 01:16:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 395 transitions. [2019-12-02 01:16:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-02 01:16:58,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 294 states and 400 transitions. [2019-12-02 01:16:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 400 transitions. [2019-12-02 01:16:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-02 01:16:58,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 01:16:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 316 states and 432 transitions. [2019-12-02 01:16:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2019-12-02 01:16:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-02 01:16:58,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 320 states and 440 transitions. [2019-12-02 01:16:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 440 transitions. [2019-12-02 01:16:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-02 01:16:59,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 323 states and 443 transitions. [2019-12-02 01:16:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 443 transitions. [2019-12-02 01:16:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-02 01:16:59,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 327 states and 448 transitions. [2019-12-02 01:16:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 448 transitions. [2019-12-02 01:16:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-02 01:16:59,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 350 states and 480 transitions. [2019-12-02 01:17:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 480 transitions. [2019-12-02 01:17:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-02 01:17:00,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 361 states and 494 transitions. [2019-12-02 01:17:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 494 transitions. [2019-12-02 01:17:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-02 01:17:00,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 440 states and 578 transitions. [2019-12-02 01:17:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 578 transitions. [2019-12-02 01:17:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-02 01:17:01,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 444 states and 583 transitions. [2019-12-02 01:17:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 583 transitions. [2019-12-02 01:17:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-02 01:17:01,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 466 states and 614 transitions. [2019-12-02 01:17:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 614 transitions. [2019-12-02 01:17:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-02 01:17:02,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 469 states and 617 transitions. [2019-12-02 01:17:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 617 transitions. [2019-12-02 01:17:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-02 01:17:03,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 472 states and 620 transitions. [2019-12-02 01:17:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 620 transitions. [2019-12-02 01:17:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-02 01:17:03,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 475 states and 623 transitions. [2019-12-02 01:17:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 623 transitions. [2019-12-02 01:17:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-02 01:17:03,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 01:17:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 482 states and 631 transitions. [2019-12-02 01:17:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 631 transitions. [2019-12-02 01:17:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-02 01:17:04,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 488 states and 638 transitions. [2019-12-02 01:17:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 638 transitions. [2019-12-02 01:17:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-02 01:17:04,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 491 states and 642 transitions. [2019-12-02 01:17:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 642 transitions. [2019-12-02 01:17:04,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-02 01:17:04,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 499 states and 649 transitions. [2019-12-02 01:17:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 649 transitions. [2019-12-02 01:17:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-02 01:17:04,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 509 states and 666 transitions. [2019-12-02 01:17:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 666 transitions. [2019-12-02 01:17:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-02 01:17:05,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 512 states and 671 transitions. [2019-12-02 01:17:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 671 transitions. [2019-12-02 01:17:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-02 01:17:05,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 515 states and 674 transitions. [2019-12-02 01:17:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 674 transitions. [2019-12-02 01:17:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-02 01:17:05,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 519 states and 679 transitions. [2019-12-02 01:17:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 679 transitions. [2019-12-02 01:17:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-02 01:17:05,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:17:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 529 states and 693 transitions. [2019-12-02 01:17:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 693 transitions. [2019-12-02 01:17:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-02 01:17:06,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 01:17:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 530 states and 694 transitions. [2019-12-02 01:17:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 694 transitions. [2019-12-02 01:17:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-02 01:17:06,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:06,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 549 states and 714 transitions. [2019-12-02 01:17:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 714 transitions. [2019-12-02 01:17:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-02 01:17:06,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:17:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 555 states and 721 transitions. [2019-12-02 01:17:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 721 transitions. [2019-12-02 01:17:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-02 01:17:07,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 557 states and 723 transitions. [2019-12-02 01:17:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 723 transitions. [2019-12-02 01:17:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-02 01:17:07,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 01:17:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 566 states and 733 transitions. [2019-12-02 01:17:07,533 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 733 transitions. [2019-12-02 01:17:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-02 01:17:07,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:17:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 606 states and 789 transitions. [2019-12-02 01:17:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 789 transitions. [2019-12-02 01:17:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-02 01:17:11,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:17:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 609 states and 792 transitions. [2019-12-02 01:17:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 792 transitions. [2019-12-02 01:17:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-02 01:17:11,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 613 states and 799 transitions. [2019-12-02 01:17:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 799 transitions. [2019-12-02 01:17:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-02 01:17:11,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 616 states and 803 transitions. [2019-12-02 01:17:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 803 transitions. [2019-12-02 01:17:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-02 01:17:11,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 01:17:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 622 states and 808 transitions. [2019-12-02 01:17:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 808 transitions. [2019-12-02 01:17:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-02 01:17:12,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:17:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 628 states and 813 transitions. [2019-12-02 01:17:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 813 transitions. [2019-12-02 01:17:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-02 01:17:12,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-02 01:17:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 629 states and 813 transitions. [2019-12-02 01:17:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 813 transitions. [2019-12-02 01:17:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-02 01:17:12,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 01:17:12,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 636 states and 820 transitions. [2019-12-02 01:17:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 820 transitions. [2019-12-02 01:17:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-02 01:17:12,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 661 states and 848 transitions. [2019-12-02 01:17:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 848 transitions. [2019-12-02 01:17:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-02 01:17:13,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 666 states and 853 transitions. [2019-12-02 01:17:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 853 transitions. [2019-12-02 01:17:13,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-02 01:17:13,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 667 states and 854 transitions. [2019-12-02 01:17:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 854 transitions. [2019-12-02 01:17:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-02 01:17:13,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 686 states and 876 transitions. [2019-12-02 01:17:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 876 transitions. [2019-12-02 01:17:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-02 01:17:15,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 687 states and 877 transitions. [2019-12-02 01:17:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 877 transitions. [2019-12-02 01:17:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-02 01:17:15,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 704 states and 894 transitions. [2019-12-02 01:17:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 894 transitions. [2019-12-02 01:17:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-02 01:17:15,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 763 states and 957 transitions. [2019-12-02 01:17:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 957 transitions. [2019-12-02 01:17:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-02 01:17:22,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:17:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 765 states and 958 transitions. [2019-12-02 01:17:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 958 transitions. [2019-12-02 01:17:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-02 01:17:22,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 780 states and 976 transitions. [2019-12-02 01:17:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 976 transitions. [2019-12-02 01:17:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-02 01:17:23,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:17:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 782 states and 978 transitions. [2019-12-02 01:17:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 978 transitions. [2019-12-02 01:17:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-02 01:17:24,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:26,785 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-12-02 01:17:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 850 states and 1061 transitions. [2019-12-02 01:17:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1061 transitions. [2019-12-02 01:17:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-02 01:17:38,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 853 states and 1064 transitions. [2019-12-02 01:17:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1064 transitions. [2019-12-02 01:17:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-02 01:17:38,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 856 states and 1067 transitions. [2019-12-02 01:17:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1067 transitions. [2019-12-02 01:17:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-02 01:17:38,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 868 states and 1084 transitions. [2019-12-02 01:17:39,805 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1084 transitions. [2019-12-02 01:17:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-02 01:17:39,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-02 01:17:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 869 states and 1084 transitions. [2019-12-02 01:17:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1084 transitions. [2019-12-02 01:17:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-02 01:17:39,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 876 states and 1094 transitions. [2019-12-02 01:17:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1094 transitions. [2019-12-02 01:17:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-12-02 01:17:40,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 901 states and 1122 transitions. [2019-12-02 01:17:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1122 transitions. [2019-12-02 01:17:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-02 01:17:41,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:42,566 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-02 01:17:43,512 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-12-02 01:17:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 938 states and 1165 transitions. [2019-12-02 01:17:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1165 transitions. [2019-12-02 01:17:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-02 01:17:45,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:47,055 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-12-02 01:17:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 951 states and 1178 transitions. [2019-12-02 01:17:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1178 transitions. [2019-12-02 01:17:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-02 01:17:47,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:47,629 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 969 states and 1196 transitions. [2019-12-02 01:17:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1196 transitions. [2019-12-02 01:17:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-02 01:17:49,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 983 states and 1210 transitions. [2019-12-02 01:17:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1210 transitions. [2019-12-02 01:17:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-02 01:17:49,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1013 states and 1243 transitions. [2019-12-02 01:17:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1243 transitions. [2019-12-02 01:17:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-02 01:17:51,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1015 states and 1244 transitions. [2019-12-02 01:17:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1244 transitions. [2019-12-02 01:17:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-02 01:17:52,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 01:17:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1034 states and 1263 transitions. [2019-12-02 01:17:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1263 transitions. [2019-12-02 01:17:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-02 01:17:55,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 01:17:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1035 states and 1263 transitions. [2019-12-02 01:17:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1263 transitions. [2019-12-02 01:17:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-02 01:17:55,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-02 01:17:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1040 states and 1272 transitions. [2019-12-02 01:17:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1272 transitions. [2019-12-02 01:17:55,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-02 01:17:55,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-02 01:17:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1042 states and 1274 transitions. [2019-12-02 01:17:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1274 transitions. [2019-12-02 01:17:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-02 01:17:55,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1061 states and 1299 transitions. [2019-12-02 01:18:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1299 transitions. [2019-12-02 01:18:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-02 01:18:02,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 128 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:03,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1064 states and 1302 transitions. [2019-12-02 01:18:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1302 transitions. [2019-12-02 01:18:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-02 01:18:03,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-02 01:18:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1076 states and 1313 transitions. [2019-12-02 01:18:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1313 transitions. [2019-12-02 01:18:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-02 01:18:04,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:18:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1078 states and 1316 transitions. [2019-12-02 01:18:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1316 transitions. [2019-12-02 01:18:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-02 01:18:06,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 01:18:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1098 states and 1335 transitions. [2019-12-02 01:18:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1335 transitions. [2019-12-02 01:18:06,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-02 01:18:06,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 01:18:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1104 states and 1340 transitions. [2019-12-02 01:18:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1340 transitions. [2019-12-02 01:18:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-02 01:18:06,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:18:08,303 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-02 01:18:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1134 states and 1370 transitions. [2019-12-02 01:18:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1370 transitions. [2019-12-02 01:18:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-02 01:18:11,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-02 01:18:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1153 states and 1391 transitions. [2019-12-02 01:18:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1391 transitions. [2019-12-02 01:18:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-02 01:18:11,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1157 states and 1395 transitions. [2019-12-02 01:18:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1395 transitions. [2019-12-02 01:18:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-02 01:18:11,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-02 01:18:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1163 states and 1403 transitions. [2019-12-02 01:18:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1403 transitions. [2019-12-02 01:18:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-02 01:18:12,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-02 01:18:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1166 states and 1407 transitions. [2019-12-02 01:18:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1407 transitions. [2019-12-02 01:18:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-02 01:18:13,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:18:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1196 states and 1437 transitions. [2019-12-02 01:18:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1437 transitions. [2019-12-02 01:18:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-02 01:18:14,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 01:18:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1213 states and 1456 transitions. [2019-12-02 01:18:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1456 transitions. [2019-12-02 01:18:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-02 01:18:15,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 01:18:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1218 states and 1463 transitions. [2019-12-02 01:18:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1463 transitions. [2019-12-02 01:18:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-02 01:18:15,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-02 01:18:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1223 states and 1470 transitions. [2019-12-02 01:18:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1470 transitions. [2019-12-02 01:18:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-02 01:18:17,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1253 states and 1508 transitions. [2019-12-02 01:18:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1508 transitions. [2019-12-02 01:18:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-02 01:18:21,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1256 states and 1511 transitions. [2019-12-02 01:18:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1511 transitions. [2019-12-02 01:18:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-02 01:18:22,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1259 states and 1514 transitions. [2019-12-02 01:18:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1514 transitions. [2019-12-02 01:18:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-02 01:18:22,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-12-02 01:18:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1265 states and 1523 transitions. [2019-12-02 01:18:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1523 transitions. [2019-12-02 01:18:23,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:23,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1292 states and 1559 transitions. [2019-12-02 01:18:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1559 transitions. [2019-12-02 01:18:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:25,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1298 states and 1566 transitions. [2019-12-02 01:18:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1566 transitions. [2019-12-02 01:18:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:25,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1301 states and 1569 transitions. [2019-12-02 01:18:26,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1569 transitions. [2019-12-02 01:18:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:26,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1304 states and 1572 transitions. [2019-12-02 01:18:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1572 transitions. [2019-12-02 01:18:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:26,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:18:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1307 states and 1575 transitions. [2019-12-02 01:18:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1575 transitions. [2019-12-02 01:18:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:26,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-02 01:18:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1308 states and 1576 transitions. [2019-12-02 01:18:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1576 transitions. [2019-12-02 01:18:27,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:27,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-02 01:18:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1321 states and 1595 transitions. [2019-12-02 01:18:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1595 transitions. [2019-12-02 01:18:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:28,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-02 01:18:28,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1326 states and 1599 transitions. [2019-12-02 01:18:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1599 transitions. [2019-12-02 01:18:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-02 01:18:28,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1330 states and 1603 transitions. [2019-12-02 01:18:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1603 transitions. [2019-12-02 01:18:29,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-02 01:18:29,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1359 states and 1642 transitions. [2019-12-02 01:18:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1642 transitions. [2019-12-02 01:18:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-02 01:18:34,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1371 states and 1657 transitions. [2019-12-02 01:18:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1657 transitions. [2019-12-02 01:18:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-02 01:18:35,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 01:18:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1386 states and 1672 transitions. [2019-12-02 01:18:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1672 transitions. [2019-12-02 01:18:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-02 01:18:35,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:18:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1398 states and 1684 transitions. [2019-12-02 01:18:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1684 transitions. [2019-12-02 01:18:35,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-02 01:18:35,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 01:18:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1405 states and 1690 transitions. [2019-12-02 01:18:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1690 transitions. [2019-12-02 01:18:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-02 01:18:36,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1436 states and 1726 transitions. [2019-12-02 01:18:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1726 transitions. [2019-12-02 01:18:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-02 01:18:37,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:37,433 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-12-02 01:18:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1468 states and 1760 transitions. [2019-12-02 01:18:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1760 transitions. [2019-12-02 01:18:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-02 01:18:41,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 01:18:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1475 states and 1766 transitions. [2019-12-02 01:18:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1766 transitions. [2019-12-02 01:18:43,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-02 01:18:43,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 01:18:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1479 states and 1770 transitions. [2019-12-02 01:18:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1770 transitions. [2019-12-02 01:18:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-02 01:18:44,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 01:18:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1561 states and 1856 transitions. [2019-12-02 01:18:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1856 transitions. [2019-12-02 01:18:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-02 01:18:46,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-12-02 01:18:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1586 states and 1881 transitions. [2019-12-02 01:18:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1881 transitions. [2019-12-02 01:18:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-02 01:18:46,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-12-02 01:18:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1606 states and 1900 transitions. [2019-12-02 01:18:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1900 transitions. [2019-12-02 01:18:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-02 01:18:47,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-02 01:18:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1753 states and 2059 transitions. [2019-12-02 01:18:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2059 transitions. [2019-12-02 01:18:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-12-02 01:18:55,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2019-12-02 01:18:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:18:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1754 states and 2059 transitions. [2019-12-02 01:18:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2059 transitions. [2019-12-02 01:18:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-12-02 01:18:55,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:18:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:18:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-02 01:19:00,194 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-12-02 01:19:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1915 states and 2249 transitions. [2019-12-02 01:19:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2249 transitions. [2019-12-02 01:19:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-02 01:19:10,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-12-02 01:19:15,199 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-12-02 01:19:18,696 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2019-12-02 01:19:27,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1982 states and 2319 transitions. [2019-12-02 01:19:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2319 transitions. [2019-12-02 01:19:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-02 01:19:27,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-12-02 01:19:28,474 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-12-02 01:19:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1985 states and 2322 transitions. [2019-12-02 01:19:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2322 transitions. [2019-12-02 01:19:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-12-02 01:19:29,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 364 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2019-12-02 01:19:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2017 states and 2355 transitions. [2019-12-02 01:19:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2355 transitions. [2019-12-02 01:19:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-12-02 01:19:33,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-12-02 01:19:36,484 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-02 01:19:40,604 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-12-02 01:19:42,699 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-12-02 01:19:43,521 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-02 01:19:44,304 WARN L192 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-12-02 01:19:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2075 states and 2416 transitions. [2019-12-02 01:19:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2416 transitions. [2019-12-02 01:19:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-12-02 01:19:51,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-12-02 01:19:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2076 states and 2415 transitions. [2019-12-02 01:19:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2415 transitions. [2019-12-02 01:19:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-12-02 01:19:53,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-12-02 01:19:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2062 states and 2400 transitions. [2019-12-02 01:19:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2400 transitions. [2019-12-02 01:19:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-12-02 01:19:54,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 506 proven. 4 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-12-02 01:19:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2085 states and 2427 transitions. [2019-12-02 01:19:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2427 transitions. [2019-12-02 01:19:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-12-02 01:19:56,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:19:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 506 proven. 4 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-12-02 01:19:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:19:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2105 states and 2446 transitions. [2019-12-02 01:19:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2446 transitions. [2019-12-02 01:19:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-02 01:19:58,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:19:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-12-02 01:20:01,515 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-12-02 01:20:02,575 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2019-12-02 01:20:04,519 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-02 01:20:05,759 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-12-02 01:20:07,578 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-12-02 01:20:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2154 states and 2497 transitions. [2019-12-02 01:20:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2497 transitions. [2019-12-02 01:20:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-12-02 01:20:13,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2019-12-02 01:20:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2167 states and 2509 transitions. [2019-12-02 01:20:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2509 transitions. [2019-12-02 01:20:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-12-02 01:20:16,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 496 proven. 8 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2019-12-02 01:20:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2173 states and 2515 transitions. [2019-12-02 01:20:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2515 transitions. [2019-12-02 01:20:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-12-02 01:20:18,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-12-02 01:20:22,042 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-12-02 01:20:23,339 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-12-02 01:20:32,759 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-12-02 01:20:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2250 states and 2597 transitions. [2019-12-02 01:20:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2597 transitions. [2019-12-02 01:20:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-12-02 01:20:34,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2019-12-02 01:20:36,659 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2019-12-02 01:20:37,025 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-12-02 01:20:39,137 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-12-02 01:20:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2284 states and 2628 transitions. [2019-12-02 01:20:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2628 transitions. [2019-12-02 01:20:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-12-02 01:20:41,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 389 proven. 10 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2019-12-02 01:20:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2328 states and 2672 transitions. [2019-12-02 01:20:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2672 transitions. [2019-12-02 01:20:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2019-12-02 01:20:42,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-12-02 01:20:47,166 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-02 01:20:47,634 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-12-02 01:20:48,168 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-12-02 01:20:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2344 states and 2693 transitions. [2019-12-02 01:20:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2693 transitions. [2019-12-02 01:20:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2019-12-02 01:20:54,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-12-02 01:20:57,609 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-12-02 01:20:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:20:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2359 states and 2707 transitions. [2019-12-02 01:20:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2707 transitions. [2019-12-02 01:20:59,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2019-12-02 01:20:59,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:20:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:20:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2019-12-02 01:21:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2361 states and 2708 transitions. [2019-12-02 01:21:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2708 transitions. [2019-12-02 01:21:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-02 01:21:00,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2019-12-02 01:21:05,077 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-12-02 01:21:06,826 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-12-02 01:21:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2388 states and 2734 transitions. [2019-12-02 01:21:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2734 transitions. [2019-12-02 01:21:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-02 01:21:06,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2019-12-02 01:21:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2393 states and 2739 transitions. [2019-12-02 01:21:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2739 transitions. [2019-12-02 01:21:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-02 01:21:08,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2019-12-02 01:21:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2400 states and 2745 transitions. [2019-12-02 01:21:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2745 transitions. [2019-12-02 01:21:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-12-02 01:21:10,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 462 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2019-12-02 01:21:24,332 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-12-02 01:21:26,686 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-02 01:21:27,655 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-12-02 01:21:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2457 states and 2808 transitions. [2019-12-02 01:21:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2808 transitions. [2019-12-02 01:21:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-12-02 01:21:29,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 462 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2019-12-02 01:21:36,163 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-02 01:21:38,012 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-12-02 01:21:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2487 states and 2836 transitions. [2019-12-02 01:21:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2836 transitions. [2019-12-02 01:21:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-12-02 01:21:38,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 462 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2019-12-02 01:21:39,500 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2019-12-02 01:21:40,376 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2019-12-02 01:21:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:21:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2523 states and 2871 transitions. [2019-12-02 01:21:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2871 transitions. [2019-12-02 01:21:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-12-02 01:21:45,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:21:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:21:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 510 proven. 28 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:21:54,903 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-12-02 01:21:57,150 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-12-02 01:22:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2543 states and 2904 transitions. [2019-12-02 01:22:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2904 transitions. [2019-12-02 01:22:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-12-02 01:22:07,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 510 proven. 28 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:22:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2553 states and 2914 transitions. [2019-12-02 01:22:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 2914 transitions. [2019-12-02 01:22:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2019-12-02 01:22:12,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:22:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2556 states and 2917 transitions. [2019-12-02 01:22:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 2917 transitions. [2019-12-02 01:22:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2019-12-02 01:22:16,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:22:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2560 states and 2923 transitions. [2019-12-02 01:22:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2923 transitions. [2019-12-02 01:22:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-12-02 01:22:17,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 542 proven. 42 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:22:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2567 states and 2935 transitions. [2019-12-02 01:22:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2935 transitions. [2019-12-02 01:22:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-12-02 01:22:22,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-02 01:22:23,502 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-12-02 01:22:26,230 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-12-02 01:22:30,310 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-12-02 01:22:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2599 states and 2965 transitions. [2019-12-02 01:22:39,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 2965 transitions. [2019-12-02 01:22:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-12-02 01:22:39,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-02 01:22:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 2647 states and 3016 transitions. [2019-12-02 01:22:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3016 transitions. [2019-12-02 01:22:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-12-02 01:22:47,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-02 01:22:50,435 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-02 01:22:51,219 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-02 01:22:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2662 states and 3030 transitions. [2019-12-02 01:22:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3030 transitions. [2019-12-02 01:22:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-12-02 01:22:56,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-02 01:22:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:22:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 2664 states and 3031 transitions. [2019-12-02 01:22:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3031 transitions. [2019-12-02 01:22:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:22:57,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:22:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:22:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 2755 states and 3141 transitions. [2019-12-02 01:23:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3141 transitions. [2019-12-02 01:23:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:08,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2758 states and 3144 transitions. [2019-12-02 01:23:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3144 transitions. [2019-12-02 01:23:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:08,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2764 states and 3160 transitions. [2019-12-02 01:23:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3160 transitions. [2019-12-02 01:23:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:13,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2767 states and 3163 transitions. [2019-12-02 01:23:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3163 transitions. [2019-12-02 01:23:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:14,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 2770 states and 3166 transitions. [2019-12-02 01:23:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3166 transitions. [2019-12-02 01:23:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:15,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2773 states and 3171 transitions. [2019-12-02 01:23:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3171 transitions. [2019-12-02 01:23:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:18,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2774 states and 3172 transitions. [2019-12-02 01:23:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3172 transitions. [2019-12-02 01:23:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:19,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2775 states and 3172 transitions. [2019-12-02 01:23:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3172 transitions. [2019-12-02 01:23:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:20,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2776 states and 3172 transitions. [2019-12-02 01:23:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3172 transitions. [2019-12-02 01:23:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:22,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 583 proven. 4 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2019-12-02 01:23:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2780 states and 3177 transitions. [2019-12-02 01:23:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3177 transitions. [2019-12-02 01:23:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:25,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:30,352 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2019-12-02 01:23:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-12-02 01:23:36,313 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-12-02 01:23:43,406 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-02 01:23:49,384 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 23 [2019-12-02 01:23:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 2818 states and 3219 transitions. [2019-12-02 01:23:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3219 transitions. [2019-12-02 01:23:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-12-02 01:23:49,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-12-02 01:23:50,709 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-12-02 01:23:51,158 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-02 01:23:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 2824 states and 3223 transitions. [2019-12-02 01:23:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3223 transitions. [2019-12-02 01:23:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-12-02 01:23:55,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2019-12-02 01:23:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:57,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2828 states and 3227 transitions. [2019-12-02 01:23:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3227 transitions. [2019-12-02 01:23:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-12-02 01:23:57,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2019-12-02 01:23:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:23:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 2832 states and 3232 transitions. [2019-12-02 01:23:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3232 transitions. [2019-12-02 01:23:59,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-12-02 01:23:59,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:23:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:23:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2019-12-02 01:24:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2835 states and 3236 transitions. [2019-12-02 01:24:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3236 transitions. [2019-12-02 01:24:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2019-12-02 01:24:00,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2019-12-02 01:24:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2836 states and 3236 transitions. [2019-12-02 01:24:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3236 transitions. [2019-12-02 01:24:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-12-02 01:24:01,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2019-12-02 01:24:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2845 states and 3244 transitions. [2019-12-02 01:24:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3244 transitions. [2019-12-02 01:24:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-12-02 01:24:02,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2019-12-02 01:24:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 2879 states and 3277 transitions. [2019-12-02 01:24:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3277 transitions. [2019-12-02 01:24:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2019-12-02 01:24:05,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 622 proven. 15 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2019-12-02 01:24:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 2895 states and 3296 transitions. [2019-12-02 01:24:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3296 transitions. [2019-12-02 01:24:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-12-02 01:24:10,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2019-12-02 01:24:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 2937 states and 3340 transitions. [2019-12-02 01:24:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3340 transitions. [2019-12-02 01:24:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-12-02 01:24:14,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-12-02 01:24:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 2953 states and 3357 transitions. [2019-12-02 01:24:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3357 transitions. [2019-12-02 01:24:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-12-02 01:24:17,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 587 proven. 10 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2019-12-02 01:24:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 2962 states and 3367 transitions. [2019-12-02 01:24:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 3367 transitions. [2019-12-02 01:24:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2019-12-02 01:24:18,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 652 proven. 15 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2019-12-02 01:24:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2966 states and 3372 transitions. [2019-12-02 01:24:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3372 transitions. [2019-12-02 01:24:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2019-12-02 01:24:19,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 652 proven. 15 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2019-12-02 01:24:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2967 states and 3374 transitions. [2019-12-02 01:24:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3374 transitions. [2019-12-02 01:24:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2019-12-02 01:24:20,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 652 proven. 15 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2019-12-02 01:24:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 2971 states and 3378 transitions. [2019-12-02 01:24:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3378 transitions. [2019-12-02 01:24:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2019-12-02 01:24:21,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 652 proven. 15 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2019-12-02 01:24:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 2975 states and 3382 transitions. [2019-12-02 01:24:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3382 transitions. [2019-12-02 01:24:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-12-02 01:24:22,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 677 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-12-02 01:24:30,615 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-02 01:24:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 2992 states and 3408 transitions. [2019-12-02 01:24:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3408 transitions. [2019-12-02 01:24:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-12-02 01:24:44,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 677 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-12-02 01:24:45,774 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-02 01:24:47,920 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-12-02 01:24:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 2999 states and 3417 transitions. [2019-12-02 01:24:50,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3417 transitions. [2019-12-02 01:24:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-12-02 01:24:50,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 677 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-12-02 01:24:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3010 states and 3429 transitions. [2019-12-02 01:24:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 3429 transitions. [2019-12-02 01:24:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-12-02 01:24:54,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 677 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-12-02 01:24:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3011 states and 3429 transitions. [2019-12-02 01:24:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 3429 transitions. [2019-12-02 01:24:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-12-02 01:24:56,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 919 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-12-02 01:24:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:24:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3012 states and 3432 transitions. [2019-12-02 01:24:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3012 states and 3432 transitions. [2019-12-02 01:24:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-12-02 01:24:57,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:24:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:24:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 919 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-12-02 01:25:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3015 states and 3435 transitions. [2019-12-02 01:25:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 3435 transitions. [2019-12-02 01:25:01,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-12-02 01:25:01,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 919 proven. 4 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-12-02 01:25:03,950 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-12-02 01:25:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3018 states and 3438 transitions. [2019-12-02 01:25:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 3438 transitions. [2019-12-02 01:25:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-12-02 01:25:05,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 948 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2019-12-02 01:25:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3042 states and 3463 transitions. [2019-12-02 01:25:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3463 transitions. [2019-12-02 01:25:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-12-02 01:25:09,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 948 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2019-12-02 01:25:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3047 states and 3468 transitions. [2019-12-02 01:25:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 3468 transitions. [2019-12-02 01:25:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-12-02 01:25:10,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 948 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2019-12-02 01:25:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3052 states and 3473 transitions. [2019-12-02 01:25:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 3473 transitions. [2019-12-02 01:25:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-12-02 01:25:11,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 948 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2019-12-02 01:25:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3067 states and 3486 transitions. [2019-12-02 01:25:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3486 transitions. [2019-12-02 01:25:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-12-02 01:25:13,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 948 proven. 12 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2019-12-02 01:25:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 3068 states and 3486 transitions. [2019-12-02 01:25:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3486 transitions. [2019-12-02 01:25:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2019-12-02 01:25:14,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 1026 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2019-12-02 01:25:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3095 states and 3516 transitions. [2019-12-02 01:25:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3516 transitions. [2019-12-02 01:25:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2019-12-02 01:25:17,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 1026 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2019-12-02 01:25:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3097 states and 3517 transitions. [2019-12-02 01:25:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3517 transitions. [2019-12-02 01:25:18,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2019-12-02 01:25:18,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1605 backedges. 1053 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2019-12-02 01:25:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3126 states and 3548 transitions. [2019-12-02 01:25:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 3548 transitions. [2019-12-02 01:25:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2019-12-02 01:25:22,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 817 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2019-12-02 01:25:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3204 states and 3628 transitions. [2019-12-02 01:25:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3628 transitions. [2019-12-02 01:25:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2019-12-02 01:25:29,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:25:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:25:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 1033 proven. 25 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2019-12-02 01:25:35,748 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-02 01:25:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:25:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2086 states and 2390 transitions. [2019-12-02 01:25:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2390 transitions. [2019-12-02 01:25:52,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:25:52,624 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 188 iterations. [2019-12-02 01:25:52,630 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:25:52,923 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2019-12-02 01:25:53,204 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-02 01:25:53,591 WARN L192 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2019-12-02 01:25:53,717 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-12-02 01:25:54,070 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2019-12-02 01:25:54,394 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2019-12-02 01:25:54,684 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2019-12-02 01:25:55,029 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-12-02 01:25:55,165 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-12-02 01:25:55,423 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2019-12-02 01:25:55,824 WARN L192 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2019-12-02 01:25:56,515 WARN L192 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2019-12-02 01:25:57,015 WARN L192 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2019-12-02 01:25:57,916 WARN L192 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 54 [2019-12-02 01:25:58,151 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-12-02 01:25:58,612 WARN L192 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-12-02 01:25:59,223 WARN L192 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2019-12-02 01:25:59,505 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2019-12-02 01:25:59,791 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-02 01:26:00,062 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2019-12-02 01:26:00,345 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2019-12-02 01:26:00,628 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2019-12-02 01:26:00,894 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-02 01:26:01,249 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2019-12-02 01:26:01,596 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2019-12-02 01:26:01,963 WARN L192 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-12-02 01:26:02,654 WARN L192 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2019-12-02 01:26:02,938 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2019-12-02 01:26:03,394 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 60 [2019-12-02 01:26:03,755 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2019-12-02 01:26:04,200 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2019-12-02 01:26:04,583 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-02 01:26:05,093 WARN L192 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2019-12-02 01:26:05,913 WARN L192 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2019-12-02 01:26:06,929 WARN L192 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2019-12-02 01:26:07,177 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-12-02 01:26:07,461 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2019-12-02 01:26:07,772 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2019-12-02 01:26:07,990 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2019-12-02 01:26:08,317 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2019-12-02 01:26:08,583 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2019-12-02 01:26:08,877 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 57 [2019-12-02 01:26:09,145 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 50 [2019-12-02 01:26:09,252 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2019-12-02 01:26:09,588 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2019-12-02 01:26:09,870 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-12-02 01:26:10,062 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 38 [2019-12-02 01:26:10,331 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 55 [2019-12-02 01:26:11,035 WARN L192 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2019-12-02 01:26:12,291 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2019-12-02 01:26:12,679 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2019-12-02 01:26:12,949 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2019-12-02 01:26:13,167 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2019-12-02 01:26:13,308 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-12-02 01:26:13,461 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-12-02 01:26:13,755 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2019-12-02 01:26:14,061 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2019-12-02 01:26:14,355 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2019-12-02 01:26:14,526 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2019-12-02 01:26:14,886 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2019-12-02 01:26:15,204 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-12-02 01:26:15,569 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2019-12-02 01:26:16,362 WARN L192 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-02 01:26:16,955 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2019-12-02 01:26:17,258 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2019-12-02 01:26:17,456 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2019-12-02 01:26:17,698 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2019-12-02 01:26:17,945 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2019-12-02 01:26:18,235 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2019-12-02 01:26:18,561 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2019-12-02 01:26:18,994 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2019-12-02 01:26:19,525 WARN L192 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 59 [2019-12-02 01:26:19,813 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2019-12-02 01:26:20,117 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2019-12-02 01:26:20,322 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-12-02 01:26:20,587 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2019-12-02 01:26:20,587 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:26:20,590 INFO L569 CodeCheckObserver]: Invariant with dag size 38 [2019-12-02 01:26:20,597 INFO L569 CodeCheckObserver]: Invariant with dag size 38 [2019-12-02 01:26:20,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:26:20 ImpRootNode [2019-12-02 01:26:20,598 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:26:20,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:26:20,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:26:20,599 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:26:20,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:56" (3/4) ... [2019-12-02 01:26:20,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:26:20,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2019-12-02 01:26:20,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 01:26:20,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-02 01:26:20,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 01:26:20,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1cffbd91-2522-437c-8325-6d7958160052/bin/ukojak/witness.graphml [2019-12-02 01:26:20,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:26:20,696 INFO L168 Benchmark]: Toolchain (without parser) took 566214.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 483.4 MB). Free memory was 938.3 MB in the beginning and 832.4 MB in the end (delta: 105.8 MB). Peak memory consumption was 589.2 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,696 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:26:20,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,697 INFO L168 Benchmark]: Boogie Preprocessor took 43.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,697 INFO L168 Benchmark]: RCFGBuilder took 1162.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,698 INFO L168 Benchmark]: CodeCheck took 564512.27 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 380.6 MB). Free memory was 845.1 MB in the beginning and 850.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 988.8 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,698 INFO L168 Benchmark]: Witness Printer took 96.91 ms. Allocated memory is still 1.5 GB. Free memory was 850.1 MB in the beginning and 832.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:26:20,699 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 536.5s, OverallIterations: 188, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1004654504 SDtfs, -356265386 SDslu, 145908240 SDs, 0 SdLazy, 541903340 SolverSat, 1039219230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1473.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300066 GetRequests, 292064 SyntacticMatches, 6242 SemanticMatches, 1760 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2354042 ImplicationChecksByTransitivity, 482.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 40.5s InterpolantComputationTime, 48832 NumberOfCodeBlocks, 48832 NumberOfCodeBlocksAsserted, 187 NumberOfCheckSat, 48645 ConstructedInterpolants, 0 QuantifiedInterpolants, 64215641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 187 InterpolantComputations, 132 PerfectInterpolantSequences, 85261/85999 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a21 == 1) && a25 <= 0) && a11 == 1) || (a28 == 7 && !(a11 == 1))) || (((a28 == 11 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && !(a17 == 9))) || (!(a19 == 1) && !(a28 == 7))) || (((a28 == 8 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a28 == 10 && a17 == 8) && a21 == 1)) || ((a28 == 9 && a17 == 8) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((a17 == 8 && a21 == 1) && a25 <= 0) && a11 == 1) || (a28 == 7 && !(a11 == 1))) || (((a28 == 11 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && !(a17 == 9))) || (!(a19 == 1) && !(a28 == 7))) || (((a28 == 8 && a17 == 8) && a21 == 1) && a25 == 1)) || ((a28 == 10 && a17 == 8) && a21 == 1)) || ((a28 == 9 && a17 == 8) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.20 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 43.95 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 1162.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 845.1 MB in the end (delta: 219.8 MB). Peak memory consumption was 219.8 MB. Max. memory is 11.5 GB. * CodeCheck took 564512.27 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 380.6 MB). Free memory was 845.1 MB in the beginning and 850.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 988.8 MB. Max. memory is 11.5 GB. * Witness Printer took 96.91 ms. Allocated memory is still 1.5 GB. Free memory was 850.1 MB in the beginning and 832.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...