./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label27.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_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/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 e1af67db67a88433de1a31e57b46e50dcbb6e7d8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 20:24:36,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:24:36,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:24:36,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:24:36,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:24:36,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:24:36,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:24:36,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:24:36,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:24:36,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:24:36,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:24:36,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:24:36,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:24:36,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:24:36,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:24:36,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:24:36,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:24:36,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:24:36,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:24:36,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:24:36,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:24:36,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:24:36,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:24:36,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:24:36,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:24:36,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:24:36,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:24:36,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:24:36,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:24:36,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:24:36,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:24:36,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:24:36,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:24:36,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:24:36,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:24:36,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:24:36,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:24:36,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:24:36,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:24:36,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:24:36,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:24:36,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 20:24:36,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:24:36,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:24:36,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:24:36,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:24:36,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:24:36,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:24:36,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:24:36,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 20:24:36,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:24:36,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 20:24:36,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:24:36,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:24:36,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:24:36,765 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:24:36,765 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:24:36,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:24:36,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:24:36,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:24:36,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:24:36,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:24:36,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:24:36,767 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:24:36,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:24:36,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:24:36,767 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_bc3cd688-6060-4774-aba9-1b53e956368e/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 -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2019-12-01 20:24:36,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:24:36,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:24:36,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:24:36,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:24:36,892 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:24:36,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-12-01 20:24:36,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/data/613874280/7579f18e1c5d4fdc84ee41ff585d3809/FLAG12c5ff152 [2019-12-01 20:24:37,306 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:24:37,307 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/sv-benchmarks/c/eca-rers2012/Problem01_label27.c [2019-12-01 20:24:37,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/data/613874280/7579f18e1c5d4fdc84ee41ff585d3809/FLAG12c5ff152 [2019-12-01 20:24:37,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/data/613874280/7579f18e1c5d4fdc84ee41ff585d3809 [2019-12-01 20:24:37,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:24:37,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:24:37,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:24:37,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:24:37,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:24:37,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53391a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37, skipping insertion in model container [2019-12-01 20:24:37,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:24:37,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:24:37,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:24:37,598 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:24:37,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:24:37,660 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:24:37,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37 WrapperNode [2019-12-01 20:24:37,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:24:37,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:24:37,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:24:37,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:24:37,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:24:37,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:24:37,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:24:37,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:24:37,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... [2019-12-01 20:24:37,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:24:37,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:24:37,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:24:37,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:24:37,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:24:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:24:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:24:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:24:38,801 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:24:38,801 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 20:24:38,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:24:38 BoogieIcfgContainer [2019-12-01 20:24:38,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:24:38,803 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:24:38,803 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:24:38,810 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:24:38,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:24:38" (1/1) ... [2019-12-01 20:24:38,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:24:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 20:24:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 20:24:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 20:24:38,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2019-12-01 20:24:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2019-12-01 20:24:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 20:24:39,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 215 states and 323 transitions. [2019-12-01 20:24:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2019-12-01 20:24:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 20:24:39,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 220 states and 333 transitions. [2019-12-01 20:24:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 333 transitions. [2019-12-01 20:24:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 20:24:40,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 290 states and 409 transitions. [2019-12-01 20:24:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 409 transitions. [2019-12-01 20:24:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 20:24:40,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 293 states and 413 transitions. [2019-12-01 20:24:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 413 transitions. [2019-12-01 20:24:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 20:24:40,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 294 states and 415 transitions. [2019-12-01 20:24:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 415 transitions. [2019-12-01 20:24:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 20:24:40,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 306 states and 433 transitions. [2019-12-01 20:24:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 433 transitions. [2019-12-01 20:24:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 20:24:41,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 320 states and 452 transitions. [2019-12-01 20:24:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 452 transitions. [2019-12-01 20:24:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 20:24:41,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 321 states and 453 transitions. [2019-12-01 20:24:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 453 transitions. [2019-12-01 20:24:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 20:24:41,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 330 states and 474 transitions. [2019-12-01 20:24:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 474 transitions. [2019-12-01 20:24:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-01 20:24:42,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 331 states and 475 transitions. [2019-12-01 20:24:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 475 transitions. [2019-12-01 20:24:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 20:24:42,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 342 states and 487 transitions. [2019-12-01 20:24:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 487 transitions. [2019-12-01 20:24:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 20:24:42,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 350 states and 497 transitions. [2019-12-01 20:24:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 497 transitions. [2019-12-01 20:24:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 20:24:43,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 20:24:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 354 states and 505 transitions. [2019-12-01 20:24:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 505 transitions. [2019-12-01 20:24:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 20:24:43,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 20:24:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 359 states and 509 transitions. [2019-12-01 20:24:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 509 transitions. [2019-12-01 20:24:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 20:24:43,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 370 states and 521 transitions. [2019-12-01 20:24:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 521 transitions. [2019-12-01 20:24:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 20:24:44,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 20:24:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 371 states and 525 transitions. [2019-12-01 20:24:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 525 transitions. [2019-12-01 20:24:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 20:24:44,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 20:24:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 377 states and 536 transitions. [2019-12-01 20:24:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 536 transitions. [2019-12-01 20:24:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 20:24:44,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 403 states and 571 transitions. [2019-12-01 20:24:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 571 transitions. [2019-12-01 20:24:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 20:24:45,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 20:24:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 405 states and 572 transitions. [2019-12-01 20:24:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 572 transitions. [2019-12-01 20:24:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 20:24:45,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 407 states and 575 transitions. [2019-12-01 20:24:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 575 transitions. [2019-12-01 20:24:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 20:24:45,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 421 states and 591 transitions. [2019-12-01 20:24:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions. [2019-12-01 20:24:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 20:24:46,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 20:24:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 436 states and 608 transitions. [2019-12-01 20:24:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 608 transitions. [2019-12-01 20:24:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 20:24:46,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 20:24:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 437 states and 609 transitions. [2019-12-01 20:24:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 609 transitions. [2019-12-01 20:24:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 20:24:46,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 20:24:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 438 states and 609 transitions. [2019-12-01 20:24:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 609 transitions. [2019-12-01 20:24:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 20:24:47,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 466 states and 640 transitions. [2019-12-01 20:24:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 640 transitions. [2019-12-01 20:24:48,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 20:24:48,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 20:24:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 471 states and 644 transitions. [2019-12-01 20:24:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 644 transitions. [2019-12-01 20:24:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 20:24:48,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 541 states and 729 transitions. [2019-12-01 20:24:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 729 transitions. [2019-12-01 20:24:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 20:24:48,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 569 states and 760 transitions. [2019-12-01 20:24:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 760 transitions. [2019-12-01 20:24:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 20:24:50,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 588 states and 784 transitions. [2019-12-01 20:24:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 784 transitions. [2019-12-01 20:24:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 20:24:51,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 589 states and 786 transitions. [2019-12-01 20:24:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 786 transitions. [2019-12-01 20:24:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 20:24:51,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 609 states and 811 transitions. [2019-12-01 20:24:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 811 transitions. [2019-12-01 20:24:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-01 20:24:51,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 631 states and 836 transitions. [2019-12-01 20:24:52,557 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 836 transitions. [2019-12-01 20:24:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 20:24:52,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:52,579 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:52,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 645 states and 850 transitions. [2019-12-01 20:24:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 850 transitions. [2019-12-01 20:24:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 20:24:52,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 20:24:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 655 states and 861 transitions. [2019-12-01 20:24:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 861 transitions. [2019-12-01 20:24:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 20:24:53,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 663 states and 871 transitions. [2019-12-01 20:24:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 871 transitions. [2019-12-01 20:24:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 20:24:53,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 667 states and 883 transitions. [2019-12-01 20:24:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 883 transitions. [2019-12-01 20:24:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 20:24:54,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:24:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 671 states and 892 transitions. [2019-12-01 20:24:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 892 transitions. [2019-12-01 20:24:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 20:24:54,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 684 states and 912 transitions. [2019-12-01 20:24:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 912 transitions. [2019-12-01 20:24:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 20:24:55,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 692 states and 926 transitions. [2019-12-01 20:24:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 926 transitions. [2019-12-01 20:24:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 20:24:55,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:24:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 697 states and 932 transitions. [2019-12-01 20:24:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 932 transitions. [2019-12-01 20:24:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-01 20:24:56,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 20:24:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 702 states and 938 transitions. [2019-12-01 20:24:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 938 transitions. [2019-12-01 20:24:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 20:24:56,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 20:24:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:24:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 743 states and 989 transitions. [2019-12-01 20:24:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 989 transitions. [2019-12-01 20:24:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 20:24:59,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:24:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:24:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 20:25:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 760 states and 1005 transitions. [2019-12-01 20:25:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1005 transitions. [2019-12-01 20:25:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 20:25:01,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 20:25:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 762 states and 1006 transitions. [2019-12-01 20:25:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1006 transitions. [2019-12-01 20:25:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 20:25:01,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:01,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 766 states and 1016 transitions. [2019-12-01 20:25:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1016 transitions. [2019-12-01 20:25:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 20:25:01,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 20:25:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 769 states and 1019 transitions. [2019-12-01 20:25:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1019 transitions. [2019-12-01 20:25:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 20:25:02,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:06,504 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 20:25:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 875 states and 1134 transitions. [2019-12-01 20:25:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1134 transitions. [2019-12-01 20:25:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 20:25:08,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 942 states and 1204 transitions. [2019-12-01 20:25:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1204 transitions. [2019-12-01 20:25:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 20:25:14,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 20:25:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 967 states and 1232 transitions. [2019-12-01 20:25:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1232 transitions. [2019-12-01 20:25:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:18,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 978 states and 1248 transitions. [2019-12-01 20:25:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1248 transitions. [2019-12-01 20:25:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:19,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1035 states and 1305 transitions. [2019-12-01 20:25:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1305 transitions. [2019-12-01 20:25:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:22,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1038 states and 1309 transitions. [2019-12-01 20:25:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1309 transitions. [2019-12-01 20:25:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:23,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:23,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1044 states and 1315 transitions. [2019-12-01 20:25:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1315 transitions. [2019-12-01 20:25:23,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:23,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1046 states and 1316 transitions. [2019-12-01 20:25:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1316 transitions. [2019-12-01 20:25:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:23,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1048 states and 1317 transitions. [2019-12-01 20:25:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1317 transitions. [2019-12-01 20:25:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 20:25:23,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1059 states and 1327 transitions. [2019-12-01 20:25:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1327 transitions. [2019-12-01 20:25:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 20:25:24,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1104 states and 1382 transitions. [2019-12-01 20:25:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1382 transitions. [2019-12-01 20:25:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 20:25:31,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1113 states and 1391 transitions. [2019-12-01 20:25:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1391 transitions. [2019-12-01 20:25:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 20:25:33,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1121 states and 1400 transitions. [2019-12-01 20:25:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1400 transitions. [2019-12-01 20:25:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 20:25:33,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1125 states and 1404 transitions. [2019-12-01 20:25:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1404 transitions. [2019-12-01 20:25:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 20:25:34,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 20:25:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1132 states and 1412 transitions. [2019-12-01 20:25:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1412 transitions. [2019-12-01 20:25:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 20:25:34,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1135 states and 1418 transitions. [2019-12-01 20:25:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1418 transitions. [2019-12-01 20:25:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 20:25:35,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:35,319 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1147 states and 1434 transitions. [2019-12-01 20:25:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1434 transitions. [2019-12-01 20:25:36,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 20:25:36,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 20:25:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1152 states and 1438 transitions. [2019-12-01 20:25:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1438 transitions. [2019-12-01 20:25:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 20:25:37,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1177 states and 1468 transitions. [2019-12-01 20:25:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1468 transitions. [2019-12-01 20:25:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 20:25:42,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:43,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1185 states and 1478 transitions. [2019-12-01 20:25:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1478 transitions. [2019-12-01 20:25:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 20:25:43,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1227 states and 1528 transitions. [2019-12-01 20:25:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1528 transitions. [2019-12-01 20:25:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 20:25:46,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1259 states and 1562 transitions. [2019-12-01 20:25:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1562 transitions. [2019-12-01 20:25:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 20:25:51,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:52,966 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2019-12-01 20:25:54,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1268 states and 1575 transitions. [2019-12-01 20:25:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1575 transitions. [2019-12-01 20:25:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 20:25:54,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1271 states and 1580 transitions. [2019-12-01 20:25:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1580 transitions. [2019-12-01 20:25:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 20:25:55,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:25:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1276 states and 1585 transitions. [2019-12-01 20:25:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1585 transitions. [2019-12-01 20:25:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 20:25:56,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-01 20:25:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1289 states and 1604 transitions. [2019-12-01 20:25:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1604 transitions. [2019-12-01 20:25:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:25:57,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1314 states and 1636 transitions. [2019-12-01 20:25:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1636 transitions. [2019-12-01 20:25:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:25:58,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:25:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:25:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1323 states and 1648 transitions. [2019-12-01 20:25:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1648 transitions. [2019-12-01 20:25:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:25:59,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:25:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:25:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:26:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1325 states and 1649 transitions. [2019-12-01 20:26:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1649 transitions. [2019-12-01 20:26:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:26:00,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:26:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1326 states and 1650 transitions. [2019-12-01 20:26:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1650 transitions. [2019-12-01 20:26:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:26:00,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:26:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1327 states and 1651 transitions. [2019-12-01 20:26:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1651 transitions. [2019-12-01 20:26:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:26:01,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:26:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1328 states and 1652 transitions. [2019-12-01 20:26:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1652 transitions. [2019-12-01 20:26:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 20:26:02,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 20:26:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1331 states and 1655 transitions. [2019-12-01 20:26:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1655 transitions. [2019-12-01 20:26:02,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 20:26:02,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 20:26:07,285 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-12-01 20:26:09,195 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 20:26:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1379 states and 1703 transitions. [2019-12-01 20:26:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1703 transitions. [2019-12-01 20:26:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 20:26:11,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 20:26:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1384 states and 1708 transitions. [2019-12-01 20:26:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1708 transitions. [2019-12-01 20:26:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 20:26:11,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:12,034 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-01 20:26:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1389 states and 1717 transitions. [2019-12-01 20:26:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1717 transitions. [2019-12-01 20:26:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 20:26:13,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-12-01 20:26:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1414 states and 1744 transitions. [2019-12-01 20:26:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1744 transitions. [2019-12-01 20:26:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 20:26:14,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-12-01 20:26:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1415 states and 1745 transitions. [2019-12-01 20:26:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1745 transitions. [2019-12-01 20:26:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 20:26:15,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:26:17,991 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2019-12-01 20:26:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1434 states and 1766 transitions. [2019-12-01 20:26:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1766 transitions. [2019-12-01 20:26:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 20:26:21,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 20:26:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1435 states and 1769 transitions. [2019-12-01 20:26:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1769 transitions. [2019-12-01 20:26:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 20:26:26,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 20:26:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1466 states and 1804 transitions. [2019-12-01 20:26:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1804 transitions. [2019-12-01 20:26:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:28,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 20:26:32,693 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-12-01 20:26:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1479 states and 1817 transitions. [2019-12-01 20:26:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1817 transitions. [2019-12-01 20:26:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:36,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 20:26:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1499 states and 1844 transitions. [2019-12-01 20:26:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1844 transitions. [2019-12-01 20:26:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:42,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:26:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1569 states and 1932 transitions. [2019-12-01 20:26:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1932 transitions. [2019-12-01 20:26:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:53,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:26:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:55,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1583 states and 1949 transitions. [2019-12-01 20:26:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1949 transitions. [2019-12-01 20:26:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:55,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:26:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:26:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1649 states and 2015 transitions. [2019-12-01 20:26:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2015 transitions. [2019-12-01 20:26:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:26:58,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:26:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:26:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:27:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1685 states and 2057 transitions. [2019-12-01 20:27:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2057 transitions. [2019-12-01 20:27:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:27:02,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:27:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1691 states and 2066 transitions. [2019-12-01 20:27:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2066 transitions. [2019-12-01 20:27:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:27:03,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:27:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1719 states and 2093 transitions. [2019-12-01 20:27:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2093 transitions. [2019-12-01 20:27:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:27:05,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:27:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1741 states and 2115 transitions. [2019-12-01 20:27:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2115 transitions. [2019-12-01 20:27:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 20:27:06,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 20:27:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1742 states and 2115 transitions. [2019-12-01 20:27:07,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2115 transitions. [2019-12-01 20:27:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 20:27:07,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 20:27:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1746 states and 2129 transitions. [2019-12-01 20:27:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2129 transitions. [2019-12-01 20:27:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:09,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1766 states and 2153 transitions. [2019-12-01 20:27:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2153 transitions. [2019-12-01 20:27:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:12,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1781 states and 2170 transitions. [2019-12-01 20:27:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2170 transitions. [2019-12-01 20:27:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:16,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1801 states and 2191 transitions. [2019-12-01 20:27:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2191 transitions. [2019-12-01 20:27:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:18,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:20,328 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 20:27:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1804 states and 2194 transitions. [2019-12-01 20:27:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2194 transitions. [2019-12-01 20:27:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:21,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1805 states and 2194 transitions. [2019-12-01 20:27:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2194 transitions. [2019-12-01 20:27:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-01 20:27:21,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-12-01 20:27:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1810 states and 2198 transitions. [2019-12-01 20:27:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2198 transitions. [2019-12-01 20:27:22,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-01 20:27:22,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 20:27:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1811 states and 2199 transitions. [2019-12-01 20:27:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2199 transitions. [2019-12-01 20:27:23,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 20:27:23,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 178 proven. 4 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2019-12-01 20:27:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1816 states and 2213 transitions. [2019-12-01 20:27:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2213 transitions. [2019-12-01 20:27:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 20:27:26,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 20:27:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1837 states and 2241 transitions. [2019-12-01 20:27:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2241 transitions. [2019-12-01 20:27:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 20:27:29,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 20:27:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1840 states and 2245 transitions. [2019-12-01 20:27:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2245 transitions. [2019-12-01 20:27:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 20:27:29,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 20:27:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1850 states and 2254 transitions. [2019-12-01 20:27:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2254 transitions. [2019-12-01 20:27:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-12-01 20:27:33,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 20:27:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1852 states and 2255 transitions. [2019-12-01 20:27:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2255 transitions. [2019-12-01 20:27:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 20:27:33,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:27:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1898 states and 2307 transitions. [2019-12-01 20:27:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2307 transitions. [2019-12-01 20:27:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 20:27:38,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:27:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1920 states and 2329 transitions. [2019-12-01 20:27:40,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2329 transitions. [2019-12-01 20:27:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 20:27:40,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:27:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1945 states and 2353 transitions. [2019-12-01 20:27:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2353 transitions. [2019-12-01 20:27:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-12-01 20:27:45,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:27:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1946 states and 2353 transitions. [2019-12-01 20:27:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2353 transitions. [2019-12-01 20:27:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 20:27:46,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 20:27:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:27:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 1955 states and 2366 transitions. [2019-12-01 20:27:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2366 transitions. [2019-12-01 20:27:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 20:27:51,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:27:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:27:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:27:53,031 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-12-01 20:27:53,389 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 20:28:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1988 states and 2401 transitions. [2019-12-01 20:28:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2401 transitions. [2019-12-01 20:28:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 20:28:01,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 20:28:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 1989 states and 2402 transitions. [2019-12-01 20:28:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2402 transitions. [2019-12-01 20:28:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-12-01 20:28:02,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:06,069 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-12-01 20:28:10,264 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-12-01 20:28:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 356 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 20:28:17,097 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 20:28:22,297 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 20:28:27,110 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 20:28:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2021 states and 2440 transitions. [2019-12-01 20:28:30,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2440 transitions. [2019-12-01 20:28:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-12-01 20:28:30,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-12-01 20:28:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2027 states and 2448 transitions. [2019-12-01 20:28:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2448 transitions. [2019-12-01 20:28:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-12-01 20:28:31,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 20:28:35,786 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 20:28:37,414 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 20:28:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2087 states and 2509 transitions. [2019-12-01 20:28:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2509 transitions. [2019-12-01 20:28:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-12-01 20:28:39,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 20:28:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2090 states and 2513 transitions. [2019-12-01 20:28:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2513 transitions. [2019-12-01 20:28:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 20:28:41,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-12-01 20:28:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2099 states and 2531 transitions. [2019-12-01 20:28:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2531 transitions. [2019-12-01 20:28:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-12-01 20:28:49,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-12-01 20:28:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2115 states and 2549 transitions. [2019-12-01 20:28:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2549 transitions. [2019-12-01 20:28:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-12-01 20:28:50,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-12-01 20:28:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:28:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2116 states and 2550 transitions. [2019-12-01 20:28:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2550 transitions. [2019-12-01 20:28:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 20:28:52,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:28:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:28:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 20:29:01,739 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 20:29:03,149 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-01 20:29:10,795 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 20:29:12,412 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-12-01 20:29:13,252 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 20:29:14,635 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 20:29:18,645 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 20:29:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2171 states and 2610 transitions. [2019-12-01 20:29:20,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2610 transitions. [2019-12-01 20:29:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 20:29:20,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-12-01 20:29:24,327 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 20:29:26,467 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 20:29:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2188 states and 2624 transitions. [2019-12-01 20:29:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2624 transitions. [2019-12-01 20:29:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 20:29:27,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 20:29:29,530 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 20:29:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2257 states and 2695 transitions. [2019-12-01 20:29:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2695 transitions. [2019-12-01 20:29:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 20:29:35,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:29:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2294 states and 2733 transitions. [2019-12-01 20:29:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2733 transitions. [2019-12-01 20:29:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 20:29:44,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:29:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2317 states and 2755 transitions. [2019-12-01 20:29:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2755 transitions. [2019-12-01 20:29:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 20:29:47,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 20:29:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2328 states and 2765 transitions. [2019-12-01 20:29:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2765 transitions. [2019-12-01 20:29:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 20:29:48,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-12-01 20:29:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2333 states and 2769 transitions. [2019-12-01 20:29:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2769 transitions. [2019-12-01 20:29:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 20:29:49,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 20:29:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:29:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2364 states and 2810 transitions. [2019-12-01 20:29:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2810 transitions. [2019-12-01 20:29:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 20:29:57,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:29:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:29:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 20:30:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2436 states and 2887 transitions. [2019-12-01 20:30:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2887 transitions. [2019-12-01 20:30:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 20:30:02,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-12-01 20:30:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2439 states and 2890 transitions. [2019-12-01 20:30:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 2890 transitions. [2019-12-01 20:30:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 20:30:03,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-12-01 20:30:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2440 states and 2890 transitions. [2019-12-01 20:30:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2890 transitions. [2019-12-01 20:30:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 20:30:03,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:07,186 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2019-12-01 20:30:08,722 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-12-01 20:30:10,308 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2019-12-01 20:30:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 20:30:15,980 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-12-01 20:30:18,549 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 20:30:20,099 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 20:30:23,013 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 20:30:26,513 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 20:30:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2493 states and 2945 transitions. [2019-12-01 20:30:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2945 transitions. [2019-12-01 20:30:27,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-12-01 20:30:27,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-12-01 20:30:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2494 states and 2945 transitions. [2019-12-01 20:30:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2945 transitions. [2019-12-01 20:30:29,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 20:30:29,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 20:30:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2523 states and 2975 transitions. [2019-12-01 20:30:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2975 transitions. [2019-12-01 20:30:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-12-01 20:30:40,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 20:30:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2548 states and 2997 transitions. [2019-12-01 20:30:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2997 transitions. [2019-12-01 20:30:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:46,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:47,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2549 states and 2998 transitions. [2019-12-01 20:30:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 2998 transitions. [2019-12-01 20:30:47,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:47,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2550 states and 2998 transitions. [2019-12-01 20:30:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2998 transitions. [2019-12-01 20:30:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:48,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2553 states and 3002 transitions. [2019-12-01 20:30:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3002 transitions. [2019-12-01 20:30:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:49,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2554 states and 3002 transitions. [2019-12-01 20:30:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3002 transitions. [2019-12-01 20:30:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:50,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 2555 states and 3003 transitions. [2019-12-01 20:30:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3003 transitions. [2019-12-01 20:30:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 20:30:51,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-12-01 20:30:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:30:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 2558 states and 3006 transitions. [2019-12-01 20:30:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3006 transitions. [2019-12-01 20:30:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 20:30:53,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:30:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:30:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 20:30:58,434 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-12-01 20:31:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2559 states and 3008 transitions. [2019-12-01 20:31:02,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3008 transitions. [2019-12-01 20:31:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 20:31:02,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 20:31:04,341 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-12-01 20:31:07,174 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 20:31:08,459 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-12-01 20:31:09,015 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 20:31:10,557 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 20:31:11,565 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 20:31:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2605 states and 3062 transitions. [2019-12-01 20:31:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3062 transitions. [2019-12-01 20:31:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 20:31:13,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 20:31:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2620 states and 3076 transitions. [2019-12-01 20:31:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3076 transitions. [2019-12-01 20:31:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 20:31:15,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-12-01 20:31:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2641 states and 3101 transitions. [2019-12-01 20:31:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3101 transitions. [2019-12-01 20:31:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 20:31:24,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-12-01 20:31:31,897 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-12-01 20:31:35,032 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-12-01 20:31:36,073 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 20:31:36,594 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 20:31:37,972 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 20:31:39,014 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 20:31:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 2734 states and 3197 transitions. [2019-12-01 20:31:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3197 transitions. [2019-12-01 20:31:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 20:31:42,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 20:31:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:46,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 2752 states and 3225 transitions. [2019-12-01 20:31:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3225 transitions. [2019-12-01 20:31:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-12-01 20:31:46,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2019-12-01 20:31:49,893 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 20:31:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 2760 states and 3232 transitions. [2019-12-01 20:31:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3232 transitions. [2019-12-01 20:31:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-12-01 20:31:51,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:31:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 442 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-12-01 20:31:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:31:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 2760 states and 3231 transitions. [2019-12-01 20:31:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3231 transitions. [2019-12-01 20:31:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 20:31:57,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:31:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:32:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 20:32:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:32:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 2775 states and 3253 transitions. [2019-12-01 20:32:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3253 transitions. [2019-12-01 20:32:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 20:32:19,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:32:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:32:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 20:32:21,215 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 20:32:23,564 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 20:32:29,125 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 20:32:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:32:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2802 states and 3284 transitions. [2019-12-01 20:32:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3284 transitions. [2019-12-01 20:32:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 20:32:29,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:32:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:32:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 20:32:31,276 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-01 20:32:32,495 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-01 20:32:34,228 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 20:32:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:32:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2819 states and 3299 transitions. [2019-12-01 20:32:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3299 transitions. [2019-12-01 20:32:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 20:32:37,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:32:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:32:40,796 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 20:32:43,575 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-12-01 20:32:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 20:32:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:32:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 2826 states and 3308 transitions. [2019-12-01 20:32:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3308 transitions. [2019-12-01 20:32:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 20:32:53,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:32:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:32:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 20:32:56,901 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-12-01 20:32:58,506 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-12-01 20:32:59,556 WARN L192 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-12-01 20:33:01,867 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-12-01 20:33:02,813 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-12-01 20:33:04,710 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-12-01 20:33:05,713 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-12-01 20:33:06,693 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 20:33:07,440 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-12-01 20:33:08,043 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-12-01 20:33:09,883 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-01 20:33:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 2872 states and 3355 transitions. [2019-12-01 20:33:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 3355 transitions. [2019-12-01 20:33:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 20:33:10,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 20:33:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 2874 states and 3356 transitions. [2019-12-01 20:33:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3356 transitions. [2019-12-01 20:33:11,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-12-01 20:33:11,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 4 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2019-12-01 20:33:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 2883 states and 3371 transitions. [2019-12-01 20:33:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 3371 transitions. [2019-12-01 20:33:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 20:33:17,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-12-01 20:33:19,264 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-12-01 20:33:21,091 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-12-01 20:33:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 2951 states and 3440 transitions. [2019-12-01 20:33:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3440 transitions. [2019-12-01 20:33:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 20:33:25,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2019-12-01 20:33:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 2995 states and 3488 transitions. [2019-12-01 20:33:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3488 transitions. [2019-12-01 20:33:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 20:33:38,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2019-12-01 20:33:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3000 states and 3492 transitions. [2019-12-01 20:33:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3492 transitions. [2019-12-01 20:33:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-12-01 20:33:39,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2019-12-01 20:33:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3022 states and 3513 transitions. [2019-12-01 20:33:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3513 transitions. [2019-12-01 20:33:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 20:33:40,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-12-01 20:33:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3025 states and 3517 transitions. [2019-12-01 20:33:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3517 transitions. [2019-12-01 20:33:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 20:33:41,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-12-01 20:33:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3036 states and 3528 transitions. [2019-12-01 20:33:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 3528 transitions. [2019-12-01 20:33:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 20:33:43,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-12-01 20:33:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3041 states and 3533 transitions. [2019-12-01 20:33:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3533 transitions. [2019-12-01 20:33:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-12-01 20:33:45,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-12-01 20:33:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3042 states and 3533 transitions. [2019-12-01 20:33:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3533 transitions. [2019-12-01 20:33:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-12-01 20:33:46,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 20:33:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:33:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3071 states and 3561 transitions. [2019-12-01 20:33:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3561 transitions. [2019-12-01 20:33:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:33:48,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:33:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:33:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:33:57,690 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-01 20:33:59,464 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-01 20:34:01,888 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 20:34:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3130 states and 3632 transitions. [2019-12-01 20:34:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3632 transitions. [2019-12-01 20:34:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:11,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:24,819 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 20:34:25,581 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 20:34:28,082 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 20:34:30,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3188 states and 3695 transitions. [2019-12-01 20:34:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 3695 transitions. [2019-12-01 20:34:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:30,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3204 states and 3710 transitions. [2019-12-01 20:34:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3710 transitions. [2019-12-01 20:34:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:34,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3209 states and 3714 transitions. [2019-12-01 20:34:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 3714 transitions. [2019-12-01 20:34:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:35,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 3212 states and 3717 transitions. [2019-12-01 20:34:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 3717 transitions. [2019-12-01 20:34:36,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:36,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3223 states and 3728 transitions. [2019-12-01 20:34:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 3728 transitions. [2019-12-01 20:34:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:37,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3227 states and 3736 transitions. [2019-12-01 20:34:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3736 transitions. [2019-12-01 20:34:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:41,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3238 states and 3747 transitions. [2019-12-01 20:34:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3747 transitions. [2019-12-01 20:34:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:45,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3243 states and 3751 transitions. [2019-12-01 20:34:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 3751 transitions. [2019-12-01 20:34:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:48,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3246 states and 3757 transitions. [2019-12-01 20:34:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3757 transitions. [2019-12-01 20:34:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:49,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3257 states and 3768 transitions. [2019-12-01 20:34:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3768 transitions. [2019-12-01 20:34:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:51,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 3262 states and 3772 transitions. [2019-12-01 20:34:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 3772 transitions. [2019-12-01 20:34:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-12-01 20:34:52,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 8 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-12-01 20:34:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3263 states and 3773 transitions. [2019-12-01 20:34:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 3773 transitions. [2019-12-01 20:34:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-12-01 20:34:53,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 4 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-12-01 20:34:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3266 states and 3777 transitions. [2019-12-01 20:34:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 3777 transitions. [2019-12-01 20:34:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 20:34:55,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 12 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-12-01 20:34:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3780 states to 3269 states and 3780 transitions. [2019-12-01 20:34:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 3780 transitions. [2019-12-01 20:34:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 20:34:57,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 12 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-12-01 20:34:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:34:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3272 states and 3783 transitions. [2019-12-01 20:34:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 3783 transitions. [2019-12-01 20:34:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 20:34:58,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:34:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:34:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 12 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-12-01 20:35:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:35:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3275 states and 3786 transitions. [2019-12-01 20:35:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 3786 transitions. [2019-12-01 20:35:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 20:35:00,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:35:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:35:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 12 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-12-01 20:35:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:35:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3278 states and 3789 transitions. [2019-12-01 20:35:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3789 transitions. [2019-12-01 20:35:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 20:35:00,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:35:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:35:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 12 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-12-01 20:35:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:35:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2685 states and 3136 transitions. [2019-12-01 20:35:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3136 transitions. [2019-12-01 20:35:02,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:35:02,266 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 190 iterations. [2019-12-01 20:35:02,272 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 20:35:02,506 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 41 [2019-12-01 20:35:02,687 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-12-01 20:35:02,963 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2019-12-01 20:35:03,141 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2019-12-01 20:35:03,396 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2019-12-01 20:35:03,726 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2019-12-01 20:35:04,035 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 35 [2019-12-01 20:35:04,340 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2019-12-01 20:35:04,607 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2019-12-01 20:35:04,992 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 34 [2019-12-01 20:35:05,231 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2019-12-01 20:35:05,524 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 42 [2019-12-01 20:35:05,675 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 36 [2019-12-01 20:35:05,966 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 42 [2019-12-01 20:35:06,398 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2019-12-01 20:35:06,798 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2019-12-01 20:35:07,112 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2019-12-01 20:35:07,581 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 42 [2019-12-01 20:35:07,829 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2019-12-01 20:35:08,157 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2019-12-01 20:35:08,769 WARN L192 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2019-12-01 20:35:09,182 WARN L192 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2019-12-01 20:35:09,741 WARN L192 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2019-12-01 20:35:10,384 WARN L192 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-12-01 20:35:10,607 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-12-01 20:35:10,856 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2019-12-01 20:35:11,076 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 41 [2019-12-01 20:35:11,383 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 38 [2019-12-01 20:35:11,620 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 38 [2019-12-01 20:35:11,727 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2019-12-01 20:35:12,152 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 37 [2019-12-01 20:35:12,845 WARN L192 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2019-12-01 20:35:13,115 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 30 [2019-12-01 20:35:14,122 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 153 DAG size of output: 42 [2019-12-01 20:35:14,500 WARN L192 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2019-12-01 20:35:15,182 WARN L192 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 37 [2019-12-01 20:35:15,430 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2019-12-01 20:35:15,758 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2019-12-01 20:35:15,998 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2019-12-01 20:35:16,180 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 37 [2019-12-01 20:35:16,521 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2019-12-01 20:35:16,804 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 35 [2019-12-01 20:35:17,073 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2019-12-01 20:35:17,277 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 37 [2019-12-01 20:35:17,529 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 41 [2019-12-01 20:35:17,872 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 41 [2019-12-01 20:35:18,206 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2019-12-01 20:35:18,869 WARN L192 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 61 [2019-12-01 20:35:18,980 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2019-12-01 20:35:19,098 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 26 [2019-12-01 20:35:19,387 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-12-01 20:35:19,710 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2019-12-01 20:35:19,995 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 42 [2019-12-01 20:35:20,325 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2019-12-01 20:35:20,568 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2019-12-01 20:35:20,822 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 41 [2019-12-01 20:35:21,139 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 42 [2019-12-01 20:35:21,139 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:35:21,143 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 20:35:21,151 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2019-12-01 20:35:21,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:35:21 ImpRootNode [2019-12-01 20:35:21,152 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:35:21,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:35:21,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:35:21,153 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:35:21,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:24:38" (3/4) ... [2019-12-01 20:35:21,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:35:21,174 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 20:35:21,175 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 20:35:21,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 20:35:21,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 20:35:21,251 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc3cd688-6060-4774-aba9-1b53e956368e/bin/ukojak/witness.graphml [2019-12-01 20:35:21,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:35:21,252 INFO L168 Benchmark]: Toolchain (without parser) took 643926.14 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 870.8 MB). Free memory was 943.6 MB in the beginning and 763.4 MB in the end (delta: 180.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,252 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:35:21,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,253 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,253 INFO L168 Benchmark]: RCFGBuilder took 1051.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,253 INFO L168 Benchmark]: CodeCheck took 642349.83 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 732.4 MB). Free memory was 892.2 MB in the beginning and 789.6 MB in the end (delta: 102.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,254 INFO L168 Benchmark]: Witness Printer took 98.43 ms. Allocated memory is still 1.9 GB. Free memory was 789.6 MB in the beginning and 763.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-01 20:35:21,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 623.4s, OverallIterations: 190, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1306179332 SDtfs, 378073274 SDslu, -1320845680 SDs, 0 SdLazy, -751389022 SolverSat, -1402993408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1559.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279396 GetRequests, 270550 SyntacticMatches, 6746 SemanticMatches, 2100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3437530 ImplicationChecksByTransitivity, 569.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 75.0s InterpolantComputationTime, 42037 NumberOfCodeBlocks, 42037 NumberOfCodeBlocksAsserted, 189 NumberOfCheckSat, 41848 ConstructedInterpolants, 0 QuantifiedInterpolants, 57265341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 189 InterpolantComputations, 124 PerfectInterpolantSequences, 64805/65357 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: 440]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a20 == 1) || (((a16 == 4 && !(1 == a7)) && a12 == 8) && a21 == 1)) || ((((a12 == 8 && !(1 == a7)) && a21 == 1) && a16 == 6) && !(a17 == 1))) || !(15 == a8)) || ((((!(1 == a7) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a20 == 1) || ((((a12 == 8 && !(1 == a7)) && a21 == 1) && a16 == 6) && !(a17 == 1))) || !(15 == a8)) || (((a16 == 4 && a12 == 8) && !(1 == a7)) && a21 == 1)) || ((((!(1 == a7) && a12 == 8) && a17 <= 0) && a21 == 1) && a16 == 5)) || (((a17 == 1 && a12 == 8) && a21 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1051.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 208.3 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * CodeCheck took 642349.83 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 732.4 MB). Free memory was 892.2 MB in the beginning and 789.6 MB in the end (delta: 102.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 98.43 ms. Allocated memory is still 1.9 GB. Free memory was 789.6 MB in the beginning and 763.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...