./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dafba940bcb700dc5bab41ac332b469176c57bc7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:15:22,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:15:22,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:15:22,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:15:22,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:15:22,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:15:22,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:15:22,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:15:22,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:15:22,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:15:22,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:15:22,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:15:22,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:15:22,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:15:22,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:15:22,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:15:22,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:15:22,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:15:22,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:15:22,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:15:22,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:15:22,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:15:22,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:15:22,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:15:22,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:15:22,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:15:22,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:15:22,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:15:22,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:15:22,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:15:22,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:15:22,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:15:22,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:15:22,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:15:22,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:15:22,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:15:22,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:15:22,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:15:22,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:15:22,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:15:22,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:15:22,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:15:23,013 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:15:23,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:15:23,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:15:23,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:15:23,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:15:23,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:15:23,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:15:23,017 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:15:23,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:15:23,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:15:23,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:15:23,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:15:23,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:15:23,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:15:23,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:15:23,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:15:23,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:15:23,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:15:23,021 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:15:23,021 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:15:23,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:15:23,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:15:23,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:15:23,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:15:23,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:15:23,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:15:23,023 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:15:23,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:15:23,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:15:23,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dafba940bcb700dc5bab41ac332b469176c57bc7 [2020-12-01 17:15:23,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:15:23,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:15:23,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:15:23,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:15:23,407 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:15:23,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2020-12-01 17:15:23,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/data/f0dbaa7bf/01950ed403474b8f9ff709dd30dc4a92/FLAG9eea79e85 [2020-12-01 17:15:24,416 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:15:24,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2020-12-01 17:15:24,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/data/f0dbaa7bf/01950ed403474b8f9ff709dd30dc4a92/FLAG9eea79e85 [2020-12-01 17:15:24,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/data/f0dbaa7bf/01950ed403474b8f9ff709dd30dc4a92 [2020-12-01 17:15:24,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:15:24,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:15:24,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:24,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:15:24,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:15:24,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:24" (1/1) ... [2020-12-01 17:15:24,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767609ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:24, skipping insertion in model container [2020-12-01 17:15:24,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:24" (1/1) ... [2020-12-01 17:15:24,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:15:24,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:15:25,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:25,319 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:15:25,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:15:25,506 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:15:25,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25 WrapperNode [2020-12-01 17:15:25,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:15:25,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:25,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:15:25,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:15:25,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:15:25,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:15:25,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:15:25,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:15:25,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... [2020-12-01 17:15:25,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:15:25,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:15:25,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:15:25,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:15:25,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/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 [2020-12-01 17:15:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:15:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:15:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:15:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:15:28,628 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:15:28,629 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:15:28,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:28 BoogieIcfgContainer [2020-12-01 17:15:28,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:15:28,635 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:15:28,636 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:15:28,650 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:15:28,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:28" (1/1) ... [2020-12-01 17:15:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:15:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 17:15:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 17:15:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:15:28,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2020-12-01 17:15:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2020-12-01 17:15:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:15:30,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 215 states and 333 transitions. [2020-12-01 17:15:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 333 transitions. [2020-12-01 17:15:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:15:31,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 220 states and 340 transitions. [2020-12-01 17:15:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 340 transitions. [2020-12-01 17:15:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:15:31,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:15:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 221 states and 341 transitions. [2020-12-01 17:15:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 341 transitions. [2020-12-01 17:15:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:15:31,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 224 states and 344 transitions. [2020-12-01 17:15:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2020-12-01 17:15:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 17:15:31,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 233 states and 357 transitions. [2020-12-01 17:15:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 357 transitions. [2020-12-01 17:15:32,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 17:15:32,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 245 states and 373 transitions. [2020-12-01 17:15:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 373 transitions. [2020-12-01 17:15:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 17:15:32,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 251 states and 380 transitions. [2020-12-01 17:15:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 380 transitions. [2020-12-01 17:15:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 17:15:33,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:15:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 252 states and 381 transitions. [2020-12-01 17:15:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 381 transitions. [2020-12-01 17:15:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 17:15:33,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2020-12-01 17:15:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2020-12-01 17:15:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 17:15:33,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 265 states and 401 transitions. [2020-12-01 17:15:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 401 transitions. [2020-12-01 17:15:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 17:15:34,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 280 states and 423 transitions. [2020-12-01 17:15:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 423 transitions. [2020-12-01 17:15:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 17:15:35,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 284 states and 428 transitions. [2020-12-01 17:15:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 428 transitions. [2020-12-01 17:15:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 17:15:35,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 288 states and 432 transitions. [2020-12-01 17:15:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 432 transitions. [2020-12-01 17:15:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 17:15:35,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 289 states and 434 transitions. [2020-12-01 17:15:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 434 transitions. [2020-12-01 17:15:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 17:15:36,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:15:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 311 states and 468 transitions. [2020-12-01 17:15:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 468 transitions. [2020-12-01 17:15:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 17:15:37,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:15:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 315 states and 474 transitions. [2020-12-01 17:15:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 474 transitions. [2020-12-01 17:15:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 17:15:37,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 339 states and 509 transitions. [2020-12-01 17:15:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 509 transitions. [2020-12-01 17:15:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 17:15:38,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 355 states and 529 transitions. [2020-12-01 17:15:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 529 transitions. [2020-12-01 17:15:39,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 17:15:39,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2020-12-01 17:15:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2020-12-01 17:15:40,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 17:15:40,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 378 states and 556 transitions. [2020-12-01 17:15:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 556 transitions. [2020-12-01 17:15:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:15:40,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:40,909 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 403 states and 592 transitions. [2020-12-01 17:15:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2020-12-01 17:15:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:15:42,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 406 states and 596 transitions. [2020-12-01 17:15:42,347 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 596 transitions. [2020-12-01 17:15:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:15:42,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 419 states and 613 transitions. [2020-12-01 17:15:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 613 transitions. [2020-12-01 17:15:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:15:42,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:15:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 440 states and 638 transitions. [2020-12-01 17:15:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 638 transitions. [2020-12-01 17:15:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:15:44,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 457 states and 659 transitions. [2020-12-01 17:15:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 659 transitions. [2020-12-01 17:15:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:15:44,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:45,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 463 states and 667 transitions. [2020-12-01 17:15:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 667 transitions. [2020-12-01 17:15:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:15:45,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:15:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 469 states and 672 transitions. [2020-12-01 17:15:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 672 transitions. [2020-12-01 17:15:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:15:45,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:15:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 481 states and 685 transitions. [2020-12-01 17:15:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 685 transitions. [2020-12-01 17:15:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:15:46,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:15:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 551 states and 757 transitions. [2020-12-01 17:15:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 757 transitions. [2020-12-01 17:15:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-01 17:15:47,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 554 states and 760 transitions. [2020-12-01 17:15:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 760 transitions. [2020-12-01 17:15:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 17:15:47,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 583 states and 800 transitions. [2020-12-01 17:15:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 800 transitions. [2020-12-01 17:15:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 17:15:48,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 595 states and 813 transitions. [2020-12-01 17:15:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 813 transitions. [2020-12-01 17:15:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 17:15:49,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 626 states and 856 transitions. [2020-12-01 17:15:50,716 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 856 transitions. [2020-12-01 17:15:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 17:15:50,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 636 states and 867 transitions. [2020-12-01 17:15:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 867 transitions. [2020-12-01 17:15:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 17:15:51,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 650 states and 885 transitions. [2020-12-01 17:15:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 885 transitions. [2020-12-01 17:15:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 17:15:51,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 651 states and 886 transitions. [2020-12-01 17:15:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 886 transitions. [2020-12-01 17:15:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 17:15:51,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 657 states and 893 transitions. [2020-12-01 17:15:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 893 transitions. [2020-12-01 17:15:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 17:15:52,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 671 states and 911 transitions. [2020-12-01 17:15:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 911 transitions. [2020-12-01 17:15:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 17:15:52,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 681 states and 921 transitions. [2020-12-01 17:15:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 921 transitions. [2020-12-01 17:15:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 17:15:52,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 720 states and 972 transitions. [2020-12-01 17:15:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 972 transitions. [2020-12-01 17:15:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 17:15:54,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 726 states and 977 transitions. [2020-12-01 17:15:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 977 transitions. [2020-12-01 17:15:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 17:15:55,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 727 states and 980 transitions. [2020-12-01 17:15:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 980 transitions. [2020-12-01 17:15:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 17:15:55,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 728 states and 980 transitions. [2020-12-01 17:15:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 980 transitions. [2020-12-01 17:15:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 17:15:55,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 731 states and 984 transitions. [2020-12-01 17:15:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 984 transitions. [2020-12-01 17:15:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 17:15:56,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:15:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 746 states and 1001 transitions. [2020-12-01 17:15:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1001 transitions. [2020-12-01 17:15:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 17:15:56,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 787 states and 1046 transitions. [2020-12-01 17:15:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1046 transitions. [2020-12-01 17:15:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:15:58,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 796 states and 1065 transitions. [2020-12-01 17:15:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1065 transitions. [2020-12-01 17:15:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:15:58,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 801 states and 1069 transitions. [2020-12-01 17:15:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1069 transitions. [2020-12-01 17:15:59,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:15:59,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 803 states and 1070 transitions. [2020-12-01 17:15:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1070 transitions. [2020-12-01 17:15:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:15:59,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:15:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 806 states and 1073 transitions. [2020-12-01 17:15:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1073 transitions. [2020-12-01 17:15:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:15:59,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:15:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:15:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:15:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 811 states and 1079 transitions. [2020-12-01 17:15:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1079 transitions. [2020-12-01 17:15:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:15:59,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:15:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 832 states and 1108 transitions. [2020-12-01 17:16:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1108 transitions. [2020-12-01 17:16:02,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:16:02,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 846 states and 1124 transitions. [2020-12-01 17:16:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1124 transitions. [2020-12-01 17:16:02,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:16:02,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 849 states and 1127 transitions. [2020-12-01 17:16:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1127 transitions. [2020-12-01 17:16:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:16:03,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 852 states and 1131 transitions. [2020-12-01 17:16:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1131 transitions. [2020-12-01 17:16:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:16:03,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 855 states and 1133 transitions. [2020-12-01 17:16:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1133 transitions. [2020-12-01 17:16:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:16:03,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 865 states and 1142 transitions. [2020-12-01 17:16:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1142 transitions. [2020-12-01 17:16:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:16:04,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 876 states and 1152 transitions. [2020-12-01 17:16:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1152 transitions. [2020-12-01 17:16:05,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:16:05,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:16:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 879 states and 1155 transitions. [2020-12-01 17:16:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1155 transitions. [2020-12-01 17:16:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:16:05,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:16:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 898 states and 1174 transitions. [2020-12-01 17:16:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1174 transitions. [2020-12-01 17:16:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:16:05,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 909 states and 1189 transitions. [2020-12-01 17:16:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1189 transitions. [2020-12-01 17:16:06,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 17:16:06,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:16:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 915 states and 1197 transitions. [2020-12-01 17:16:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1197 transitions. [2020-12-01 17:16:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 17:16:06,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:16:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 920 states and 1201 transitions. [2020-12-01 17:16:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1201 transitions. [2020-12-01 17:16:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 17:16:07,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 71 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 985 states and 1296 transitions. [2020-12-01 17:16:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1296 transitions. [2020-12-01 17:16:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 17:16:14,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 71 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1000 states and 1310 transitions. [2020-12-01 17:16:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1310 transitions. [2020-12-01 17:16:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:16:15,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:16:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1014 states and 1333 transitions. [2020-12-01 17:16:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1333 transitions. [2020-12-01 17:16:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:16:17,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 17:16:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:18,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1019 states and 1338 transitions. [2020-12-01 17:16:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1338 transitions. [2020-12-01 17:16:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:16:18,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1060 states and 1385 transitions. [2020-12-01 17:16:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1385 transitions. [2020-12-01 17:16:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:16:20,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:16:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1061 states and 1388 transitions. [2020-12-01 17:16:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1388 transitions. [2020-12-01 17:16:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 17:16:20,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1062 states and 1390 transitions. [2020-12-01 17:16:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1390 transitions. [2020-12-01 17:16:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 17:16:21,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1070 states and 1400 transitions. [2020-12-01 17:16:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1400 transitions. [2020-12-01 17:16:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 17:16:22,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1080 states and 1409 transitions. [2020-12-01 17:16:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1409 transitions. [2020-12-01 17:16:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 17:16:22,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1089 states and 1419 transitions. [2020-12-01 17:16:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1419 transitions. [2020-12-01 17:16:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 17:16:23,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1105 states and 1438 transitions. [2020-12-01 17:16:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1438 transitions. [2020-12-01 17:16:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 17:16:25,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 93 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1150 states and 1492 transitions. [2020-12-01 17:16:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1492 transitions. [2020-12-01 17:16:28,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 17:16:28,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 93 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1168 states and 1509 transitions. [2020-12-01 17:16:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1509 transitions. [2020-12-01 17:16:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 17:16:29,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 80 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1204 states and 1558 transitions. [2020-12-01 17:16:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1558 transitions. [2020-12-01 17:16:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:16:34,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1207 states and 1561 transitions. [2020-12-01 17:16:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1561 transitions. [2020-12-01 17:16:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:16:34,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:16:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1237 states and 1595 transitions. [2020-12-01 17:16:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1595 transitions. [2020-12-01 17:16:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 17:16:36,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 17:16:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1279 states and 1647 transitions. [2020-12-01 17:16:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1647 transitions. [2020-12-01 17:16:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 17:16:38,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 17:16:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1294 states and 1662 transitions. [2020-12-01 17:16:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1662 transitions. [2020-12-01 17:16:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 17:16:38,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-01 17:16:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1308 states and 1675 transitions. [2020-12-01 17:16:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1675 transitions. [2020-12-01 17:16:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:16:38,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1324 states and 1693 transitions. [2020-12-01 17:16:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1693 transitions. [2020-12-01 17:16:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:16:40,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1334 states and 1705 transitions. [2020-12-01 17:16:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1705 transitions. [2020-12-01 17:16:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:16:41,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1338 states and 1708 transitions. [2020-12-01 17:16:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1708 transitions. [2020-12-01 17:16:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 17:16:42,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:16:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1376 states and 1754 transitions. [2020-12-01 17:16:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1754 transitions. [2020-12-01 17:16:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 17:16:43,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:16:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1380 states and 1760 transitions. [2020-12-01 17:16:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1760 transitions. [2020-12-01 17:16:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 17:16:44,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1400 states and 1789 transitions. [2020-12-01 17:16:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1789 transitions. [2020-12-01 17:16:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 17:16:44,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1413 states and 1805 transitions. [2020-12-01 17:16:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1805 transitions. [2020-12-01 17:16:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-12-01 17:16:45,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:16:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1421 states and 1819 transitions. [2020-12-01 17:16:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1819 transitions. [2020-12-01 17:16:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:45,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1437 states and 1840 transitions. [2020-12-01 17:16:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1840 transitions. [2020-12-01 17:16:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:46,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1451 states and 1857 transitions. [2020-12-01 17:16:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1857 transitions. [2020-12-01 17:16:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:48,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1457 states and 1863 transitions. [2020-12-01 17:16:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1863 transitions. [2020-12-01 17:16:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:49,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1465 states and 1873 transitions. [2020-12-01 17:16:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1873 transitions. [2020-12-01 17:16:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:49,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1467 states and 1874 transitions. [2020-12-01 17:16:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1874 transitions. [2020-12-01 17:16:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:49,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1477 states and 1884 transitions. [2020-12-01 17:16:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1884 transitions. [2020-12-01 17:16:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:16:50,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:16:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1485 states and 1893 transitions. [2020-12-01 17:16:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1893 transitions. [2020-12-01 17:16:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 17:16:51,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:16:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1492 states and 1900 transitions. [2020-12-01 17:16:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1900 transitions. [2020-12-01 17:16:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 17:16:51,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:16:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1497 states and 1905 transitions. [2020-12-01 17:16:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1905 transitions. [2020-12-01 17:16:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 17:16:51,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 17:16:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1517 states and 1925 transitions. [2020-12-01 17:16:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1925 transitions. [2020-12-01 17:16:52,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 17:16:52,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 17:16:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1521 states and 1928 transitions. [2020-12-01 17:16:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1928 transitions. [2020-12-01 17:16:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 17:16:53,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:16:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1522 states and 1931 transitions. [2020-12-01 17:16:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1931 transitions. [2020-12-01 17:16:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-01 17:16:53,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:16:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1534 states and 1944 transitions. [2020-12-01 17:16:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1944 transitions. [2020-12-01 17:16:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-01 17:16:54,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:16:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1541 states and 1950 transitions. [2020-12-01 17:16:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1950 transitions. [2020-12-01 17:16:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-01 17:16:54,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:16:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1548 states and 1956 transitions. [2020-12-01 17:16:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1956 transitions. [2020-12-01 17:16:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-01 17:16:54,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:16:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1558 states and 1969 transitions. [2020-12-01 17:16:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1969 transitions. [2020-12-01 17:16:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 17:16:56,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1585 states and 2011 transitions. [2020-12-01 17:17:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2011 transitions. [2020-12-01 17:17:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 17:17:01,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1608 states and 2036 transitions. [2020-12-01 17:17:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2036 transitions. [2020-12-01 17:17:03,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 17:17:03,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1616 states and 2046 transitions. [2020-12-01 17:17:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2046 transitions. [2020-12-01 17:17:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 17:17:03,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 153 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:17:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 1636 states and 2067 transitions. [2020-12-01 17:17:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2067 transitions. [2020-12-01 17:17:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 17:17:07,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1718 states and 2159 transitions. [2020-12-01 17:17:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2159 transitions. [2020-12-01 17:17:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 17:17:12,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1727 states and 2169 transitions. [2020-12-01 17:17:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2169 transitions. [2020-12-01 17:17:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 17:17:13,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1730 states and 2172 transitions. [2020-12-01 17:17:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2172 transitions. [2020-12-01 17:17:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 17:17:14,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1762 states and 2207 transitions. [2020-12-01 17:17:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2207 transitions. [2020-12-01 17:17:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 17:17:19,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1798 states and 2241 transitions. [2020-12-01 17:17:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2241 transitions. [2020-12-01 17:17:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 17:17:20,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:22,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1807 states and 2255 transitions. [2020-12-01 17:17:22,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2255 transitions. [2020-12-01 17:17:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 17:17:22,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1811 states and 2259 transitions. [2020-12-01 17:17:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2259 transitions. [2020-12-01 17:17:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 17:17:23,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1813 states and 2261 transitions. [2020-12-01 17:17:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2261 transitions. [2020-12-01 17:17:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 17:17:24,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1814 states and 2264 transitions. [2020-12-01 17:17:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2264 transitions. [2020-12-01 17:17:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 17:17:25,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1815 states and 2265 transitions. [2020-12-01 17:17:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2265 transitions. [2020-12-01 17:17:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 17:17:26,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:17:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1816 states and 2266 transitions. [2020-12-01 17:17:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2266 transitions. [2020-12-01 17:17:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 17:17:27,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1851 states and 2317 transitions. [2020-12-01 17:17:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2317 transitions. [2020-12-01 17:17:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-01 17:17:35,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:17:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1854 states and 2319 transitions. [2020-12-01 17:17:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2319 transitions. [2020-12-01 17:17:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:17:36,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:17:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1865 states and 2332 transitions. [2020-12-01 17:17:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2332 transitions. [2020-12-01 17:17:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:17:37,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:17:37,934 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 17:17:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1874 states and 2339 transitions. [2020-12-01 17:17:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2339 transitions. [2020-12-01 17:17:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:17:38,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:17:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1875 states and 2339 transitions. [2020-12-01 17:17:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2339 transitions. [2020-12-01 17:17:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:17:39,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:17:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 1876 states and 2340 transitions. [2020-12-01 17:17:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2340 transitions. [2020-12-01 17:17:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 17:17:39,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:17:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1877 states and 2342 transitions. [2020-12-01 17:17:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2342 transitions. [2020-12-01 17:17:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:17:40,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 17:17:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1893 states and 2358 transitions. [2020-12-01 17:17:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2358 transitions. [2020-12-01 17:17:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:17:41,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 17:17:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1906 states and 2373 transitions. [2020-12-01 17:17:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2373 transitions. [2020-12-01 17:17:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:42,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1907 states and 2380 transitions. [2020-12-01 17:17:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2380 transitions. [2020-12-01 17:17:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:43,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1946 states and 2430 transitions. [2020-12-01 17:17:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2430 transitions. [2020-12-01 17:17:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:48,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 1953 states and 2442 transitions. [2020-12-01 17:17:50,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2442 transitions. [2020-12-01 17:17:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:50,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 1960 states and 2453 transitions. [2020-12-01 17:17:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2453 transitions. [2020-12-01 17:17:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:51,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 1970 states and 2463 transitions. [2020-12-01 17:17:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2463 transitions. [2020-12-01 17:17:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:17:53,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 149 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:17:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 1973 states and 2467 transitions. [2020-12-01 17:17:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2467 transitions. [2020-12-01 17:17:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:17:53,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:17:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2044 states and 2539 transitions. [2020-12-01 17:17:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2539 transitions. [2020-12-01 17:17:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:17:56,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:17:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2068 states and 2564 transitions. [2020-12-01 17:17:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2564 transitions. [2020-12-01 17:17:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:17:56,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 131 proven. 65 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:18:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2123 states and 2640 transitions. [2020-12-01 17:18:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2640 transitions. [2020-12-01 17:18:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:18:00,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:18:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2139 states and 2659 transitions. [2020-12-01 17:18:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2659 transitions. [2020-12-01 17:18:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:18:03,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:18:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2144 states and 2666 transitions. [2020-12-01 17:18:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2666 transitions. [2020-12-01 17:18:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:18:04,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:18:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2159 states and 2683 transitions. [2020-12-01 17:18:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2683 transitions. [2020-12-01 17:18:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:18:08,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:18:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2169 states and 2694 transitions. [2020-12-01 17:18:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2694 transitions. [2020-12-01 17:18:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:18:09,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 17:18:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2216 states and 2749 transitions. [2020-12-01 17:18:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2749 transitions. [2020-12-01 17:18:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:11,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2219 states and 2753 transitions. [2020-12-01 17:18:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2753 transitions. [2020-12-01 17:18:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:12,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2230 states and 2766 transitions. [2020-12-01 17:18:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2766 transitions. [2020-12-01 17:18:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:14,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2231 states and 2766 transitions. [2020-12-01 17:18:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2766 transitions. [2020-12-01 17:18:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:15,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2236 states and 2770 transitions. [2020-12-01 17:18:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2770 transitions. [2020-12-01 17:18:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:15,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2244 states and 2777 transitions. [2020-12-01 17:18:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2777 transitions. [2020-12-01 17:18:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:18,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2254 states and 2790 transitions. [2020-12-01 17:18:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2790 transitions. [2020-12-01 17:18:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:18:20,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2259 states and 2794 transitions. [2020-12-01 17:18:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2794 transitions. [2020-12-01 17:18:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-12-01 17:18:21,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:18:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2301 states and 2844 transitions. [2020-12-01 17:18:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2844 transitions. [2020-12-01 17:18:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 17:18:24,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:18:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2316 states and 2859 transitions. [2020-12-01 17:18:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2859 transitions. [2020-12-01 17:18:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-12-01 17:18:25,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 17:18:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2360 states and 2908 transitions. [2020-12-01 17:18:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2908 transitions. [2020-12-01 17:18:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:18:28,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 82 proven. 131 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:18:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2525 states and 3108 transitions. [2020-12-01 17:18:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3108 transitions. [2020-12-01 17:18:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:18:43,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:18:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2564 states and 3162 transitions. [2020-12-01 17:18:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3162 transitions. [2020-12-01 17:18:50,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:18:50,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2604 states and 3227 transitions. [2020-12-01 17:19:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3227 transitions. [2020-12-01 17:19:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:00,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 2626 states and 3255 transitions. [2020-12-01 17:19:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3255 transitions. [2020-12-01 17:19:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:04,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 2632 states and 3268 transitions. [2020-12-01 17:19:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3268 transitions. [2020-12-01 17:19:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:08,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 2647 states and 3286 transitions. [2020-12-01 17:19:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3286 transitions. [2020-12-01 17:19:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:13,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 2652 states and 3292 transitions. [2020-12-01 17:19:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3292 transitions. [2020-12-01 17:19:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:14,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:16,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 2656 states and 3300 transitions. [2020-12-01 17:19:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3300 transitions. [2020-12-01 17:19:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:16,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 2657 states and 3302 transitions. [2020-12-01 17:19:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3302 transitions. [2020-12-01 17:19:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:17,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 2661 states and 3305 transitions. [2020-12-01 17:19:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3305 transitions. [2020-12-01 17:19:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:18,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 2682 states and 3342 transitions. [2020-12-01 17:19:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3342 transitions. [2020-12-01 17:19:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:26,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 2689 states and 3354 transitions. [2020-12-01 17:19:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3354 transitions. [2020-12-01 17:19:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:19:29,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 2692 states and 3356 transitions. [2020-12-01 17:19:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3356 transitions. [2020-12-01 17:19:31,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-01 17:19:31,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 264 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:35,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 2719 states and 3390 transitions. [2020-12-01 17:19:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3390 transitions. [2020-12-01 17:19:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-01 17:19:35,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 264 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:19:36,369 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-12-01 17:19:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 2737 states and 3406 transitions. [2020-12-01 17:19:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3406 transitions. [2020-12-01 17:19:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:42,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 2752 states and 3425 transitions. [2020-12-01 17:19:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3425 transitions. [2020-12-01 17:19:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:48,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 2754 states and 3428 transitions. [2020-12-01 17:19:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3428 transitions. [2020-12-01 17:19:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:50,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:54,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 2760 states and 3436 transitions. [2020-12-01 17:19:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3436 transitions. [2020-12-01 17:19:54,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:54,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 2765 states and 3440 transitions. [2020-12-01 17:19:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3440 transitions. [2020-12-01 17:19:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:55,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 2766 states and 3442 transitions. [2020-12-01 17:19:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3442 transitions. [2020-12-01 17:19:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:57,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:19:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 2767 states and 3443 transitions. [2020-12-01 17:19:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3443 transitions. [2020-12-01 17:19:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:19:59,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:20:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 2768 states and 3443 transitions. [2020-12-01 17:20:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3443 transitions. [2020-12-01 17:20:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:20:00,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:20:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 2771 states and 3446 transitions. [2020-12-01 17:20:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3446 transitions. [2020-12-01 17:20:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:20:02,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:20:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 2776 states and 3450 transitions. [2020-12-01 17:20:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3450 transitions. [2020-12-01 17:20:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-12-01 17:20:05,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:20:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 2780 states and 3453 transitions. [2020-12-01 17:20:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3453 transitions. [2020-12-01 17:20:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:07,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:20:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 2794 states and 3472 transitions. [2020-12-01 17:20:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3472 transitions. [2020-12-01 17:20:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:13,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:20:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 2798 states and 3476 transitions. [2020-12-01 17:20:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3476 transitions. [2020-12-01 17:20:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:16,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:20:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:21,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 2812 states and 3491 transitions. [2020-12-01 17:20:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3491 transitions. [2020-12-01 17:20:21,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:21,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:20:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 2827 states and 3507 transitions. [2020-12-01 17:20:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3507 transitions. [2020-12-01 17:20:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:24,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:20:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 2848 states and 3530 transitions. [2020-12-01 17:20:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 3530 transitions. [2020-12-01 17:20:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:28,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:20:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 2901 states and 3589 transitions. [2020-12-01 17:20:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3589 transitions. [2020-12-01 17:20:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:20:35,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:20:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 2922 states and 3611 transitions. [2020-12-01 17:20:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3611 transitions. [2020-12-01 17:20:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 17:20:37,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 155 proven. 57 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:20:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 2992 states and 3688 transitions. [2020-12-01 17:20:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3688 transitions. [2020-12-01 17:20:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 17:20:47,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 155 proven. 57 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:20:49,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 2993 states and 3692 transitions. [2020-12-01 17:20:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3692 transitions. [2020-12-01 17:20:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-01 17:20:49,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:20:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 2995 states and 3693 transitions. [2020-12-01 17:20:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3693 transitions. [2020-12-01 17:20:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-01 17:20:49,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:20:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 2996 states and 3694 transitions. [2020-12-01 17:20:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 3694 transitions. [2020-12-01 17:20:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-01 17:20:51,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 17:20:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3003 states and 3700 transitions. [2020-12-01 17:20:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 3700 transitions. [2020-12-01 17:20:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 17:20:55,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 177 proven. 46 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:20:58,534 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-01 17:20:59,936 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-01 17:21:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3083 states and 3792 transitions. [2020-12-01 17:21:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3792 transitions. [2020-12-01 17:21:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 17:21:11,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 17:21:12,866 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2020-12-01 17:21:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3124 states and 3833 transitions. [2020-12-01 17:21:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3833 transitions. [2020-12-01 17:21:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 17:21:15,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-01 17:21:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3172 states and 3889 transitions. [2020-12-01 17:21:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 3889 transitions. [2020-12-01 17:21:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-12-01 17:21:22,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 200 proven. 63 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:21:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3183 states and 3906 transitions. [2020-12-01 17:21:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 3906 transitions. [2020-12-01 17:21:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 17:21:33,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 205 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3251 states and 3999 transitions. [2020-12-01 17:21:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 3999 transitions. [2020-12-01 17:21:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-01 17:21:55,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 168 proven. 92 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 17:22:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 3380 states and 4137 transitions. [2020-12-01 17:22:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4137 transitions. [2020-12-01 17:22:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-01 17:22:05,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 246 proven. 139 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-12-01 17:22:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 3314 states and 4068 transitions. [2020-12-01 17:22:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4068 transitions. [2020-12-01 17:22:06,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:22:06,476 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 200 iterations. [2020-12-01 17:22:06,484 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:22:07,057 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2020-12-01 17:22:07,355 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:08,104 WARN L197 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-12-01 17:22:08,434 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:09,794 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 153 DAG size of output: 47 [2020-12-01 17:22:10,504 WARN L197 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2020-12-01 17:22:10,833 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:11,559 WARN L197 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-12-01 17:22:11,918 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:12,368 WARN L197 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-12-01 17:22:12,824 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-12-01 17:22:13,188 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:13,869 WARN L197 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 23 [2020-12-01 17:22:14,530 WARN L197 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 23 [2020-12-01 17:22:14,905 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:15,121 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 13 [2020-12-01 17:22:15,686 WARN L197 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-12-01 17:22:16,448 WARN L197 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-12-01 17:22:16,784 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2020-12-01 17:22:17,551 WARN L197 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2020-12-01 17:22:17,922 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:18,118 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 13 [2020-12-01 17:22:18,606 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 23 [2020-12-01 17:22:19,339 WARN L197 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-12-01 17:22:19,625 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:20,214 WARN L197 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2020-12-01 17:22:20,982 WARN L197 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-12-01 17:22:21,309 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2020-12-01 17:22:22,065 WARN L197 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-12-01 17:22:22,491 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 23 [2020-12-01 17:22:23,141 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2020-12-01 17:22:23,480 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 23 [2020-12-01 17:22:24,167 WARN L197 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2020-12-01 17:22:24,704 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 23 [2020-12-01 17:22:25,009 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:25,496 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 23 [2020-12-01 17:22:26,069 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 23 [2020-12-01 17:22:26,664 WARN L197 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 23 [2020-12-01 17:22:27,439 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 23 [2020-12-01 17:22:27,755 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:28,467 WARN L197 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 23 [2020-12-01 17:22:28,811 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:30,146 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2020-12-01 17:22:30,442 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:31,128 WARN L197 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-12-01 17:22:31,867 WARN L197 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2020-12-01 17:22:32,609 WARN L197 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2020-12-01 17:22:33,045 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:33,649 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2020-12-01 17:22:34,527 WARN L197 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2020-12-01 17:22:35,849 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2020-12-01 17:22:36,531 WARN L197 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 23 [2020-12-01 17:22:37,277 WARN L197 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-12-01 17:22:38,507 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2020-12-01 17:22:39,129 WARN L197 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2020-12-01 17:22:39,942 WARN L197 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-12-01 17:22:40,299 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-12-01 17:22:41,014 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 23 [2020-12-01 17:22:41,736 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 23 [2020-12-01 17:22:42,679 WARN L197 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-12-01 17:22:43,111 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:44,570 WARN L197 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 158 DAG size of output: 47 [2020-12-01 17:22:45,227 WARN L197 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 23 [2020-12-01 17:22:45,929 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2020-12-01 17:22:46,657 WARN L197 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 23 [2020-12-01 17:22:47,019 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:47,748 WARN L197 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 23 [2020-12-01 17:22:48,120 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-12-01 17:22:48,815 WARN L197 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 23 [2020-12-01 17:22:49,253 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-01 17:22:49,853 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 23 [2020-12-01 17:22:49,854 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-12-01 17:22:49,868 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:49,869 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-12-01 17:22:49,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:22:49 ImpRootNode [2020-12-01 17:22:49,871 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:22:49,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:22:49,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:22:49,872 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:22:49,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:28" (3/4) ... [2020-12-01 17:22:49,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:22:49,920 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-12-01 17:22:49,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:22:49,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:22:49,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:22:50,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_94c29786-9151-4d44-b61a-9606be9af7ea/bin/ukojak/witness.graphml [2020-12-01 17:22:50,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:22:50,106 INFO L168 Benchmark]: Toolchain (without parser) took 445525.50 ms. Allocated memory was 83.9 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 53.4 MB in the beginning and 2.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,106 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:22:50,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.48 ms. Allocated memory is still 83.9 MB. Free memory was 53.2 MB in the beginning and 45.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.84 ms. Allocated memory is still 83.9 MB. Free memory was 45.7 MB in the beginning and 40.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,108 INFO L168 Benchmark]: Boogie Preprocessor took 73.12 ms. Allocated memory is still 83.9 MB. Free memory was 39.8 MB in the beginning and 35.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,108 INFO L168 Benchmark]: RCFGBuilder took 2937.17 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 35.6 MB in the beginning and 103.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,110 INFO L168 Benchmark]: CodeCheck took 441235.40 ms. Allocated memory was 146.8 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 103.0 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,110 INFO L168 Benchmark]: Witness Printer took 233.67 ms. Allocated memory is still 4.0 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:50,113 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 397.7s, OverallIterations: 200, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57648 SDtfs, -19614084 SDslu, 2246480 SDs, 0 SdLazy, 1033718440 SolverSat, 1880832468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1575.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223973 GetRequests, 215324 SyntacticMatches, 6961 SemanticMatches, 1688 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1869535 ImplicationChecksByTransitivity, 342.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 32083 NumberOfCodeBlocks, 32083 NumberOfCodeBlocksAsserted, 199 NumberOfCheckSat, 31884 ConstructedInterpolants, 0 QuantifiedInterpolants, 21614330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 199 InterpolantComputations, 159 PerfectInterpolantSequences, 26141/27797 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: 12]: 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: 593]: Loop Invariant Derived loop invariant: (((((14 == a8 && a12 == 8) && 5 == a16) || !(a21 == 1)) || !(a7 == 1)) || !(a20 == 1)) || a17 == 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((14 == a8 && a12 == 8) && 5 == a16) || !(a21 == 1)) || !(a7 == 1)) || !(a20 == 1)) || a17 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 35.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 925.48 ms. Allocated memory is still 83.9 MB. Free memory was 53.2 MB in the beginning and 45.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.84 ms. Allocated memory is still 83.9 MB. Free memory was 45.7 MB in the beginning and 40.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.12 ms. Allocated memory is still 83.9 MB. Free memory was 39.8 MB in the beginning and 35.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2937.17 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 35.6 MB in the beginning and 103.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * CodeCheck took 441235.40 ms. Allocated memory was 146.8 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 103.0 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 233.67 ms. Allocated memory is still 4.0 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...