./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c -s /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/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 9fd1c199175ae89d653ba6bc804fff94514799a0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:16:29,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:16:29,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:16:29,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:16:29,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:16:29,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:16:29,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:16:29,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:16:29,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:16:29,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:16:29,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:16:29,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:16:29,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:16:29,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:16:29,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:16:29,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:16:29,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:16:29,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:16:29,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:16:29,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:16:29,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:16:29,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:16:29,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:16:29,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:16:29,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:16:29,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:16:29,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:16:29,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:16:29,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:16:29,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:16:29,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:16:29,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:16:29,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:16:29,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:16:29,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:16:29,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:16:29,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:16:29,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:16:29,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:16:29,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:16:29,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:16:29,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:16:29,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:16:29,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:16:29,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:16:29,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:16:29,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:16:29,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:16:29,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:16:29,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:16:29,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:16:29,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:16:29,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:16:29,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:16:29,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:16:29,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:16:29,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:16:29,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:16:29,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:16:29,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:16:29,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:16:29,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:16:29,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:16:29,630 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:16:29,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:16:29,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:16:29,630 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_870d0e23-70c3-477c-9ae6-45109ac6083f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fd1c199175ae89d653ba6bc804fff94514799a0 [2020-11-30 01:16:29,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:16:29,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:16:29,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:16:29,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:16:29,914 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:16:29,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2020-11-30 01:16:29,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/data/d1e7f84a6/c5cbb6f1ddc04ad19ebedaaa2021e524/FLAG4ee921597 [2020-11-30 01:16:30,587 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:16:30,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2020-11-30 01:16:30,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/data/d1e7f84a6/c5cbb6f1ddc04ad19ebedaaa2021e524/FLAG4ee921597 [2020-11-30 01:16:30,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/data/d1e7f84a6/c5cbb6f1ddc04ad19ebedaaa2021e524 [2020-11-30 01:16:30,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:16:30,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:16:30,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:16:30,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:16:30,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:16:30,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:16:30" (1/1) ... [2020-11-30 01:16:30,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a085575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:30, skipping insertion in model container [2020-11-30 01:16:30,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:16:30" (1/1) ... [2020-11-30 01:16:30,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:16:30,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:16:31,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:16:31,329 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:16:31,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:16:31,508 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:16:31,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31 WrapperNode [2020-11-30 01:16:31,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:16:31,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:16:31,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:16:31,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:16:31,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:16:31,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:16:31,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:16:31,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:16:31,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... [2020-11-30 01:16:31,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:16:31,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:16:31,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:16:31,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:16:31,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:16:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/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 [2020-11-30 01:16:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:16:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:16:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:16:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:16:34,390 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:16:34,391 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:16:34,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:34 BoogieIcfgContainer [2020-11-30 01:16:34,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:16:34,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:16:34,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:16:34,412 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:16:34,413 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:34" (1/1) ... [2020-11-30 01:16:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-11-30 01:16:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-11-30 01:16:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 01:16:34,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 163 states and 300 transitions. [2020-11-30 01:16:35,687 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 300 transitions. [2020-11-30 01:16:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 01:16:35,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 166 states and 305 transitions. [2020-11-30 01:16:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 305 transitions. [2020-11-30 01:16:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-30 01:16:36,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:37,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 246 states and 424 transitions. [2020-11-30 01:16:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 424 transitions. [2020-11-30 01:16:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 01:16:37,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 251 states and 433 transitions. [2020-11-30 01:16:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 433 transitions. [2020-11-30 01:16:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-30 01:16:37,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 254 states and 438 transitions. [2020-11-30 01:16:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 438 transitions. [2020-11-30 01:16:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 01:16:38,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 258 states and 445 transitions. [2020-11-30 01:16:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 445 transitions. [2020-11-30 01:16:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 01:16:38,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 261 states and 451 transitions. [2020-11-30 01:16:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 451 transitions. [2020-11-30 01:16:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 01:16:38,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:16:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 348 states and 545 transitions. [2020-11-30 01:16:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 545 transitions. [2020-11-30 01:16:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-30 01:16:40,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:40,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 365 states and 562 transitions. [2020-11-30 01:16:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 562 transitions. [2020-11-30 01:16:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-30 01:16:40,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 388 states and 587 transitions. [2020-11-30 01:16:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 587 transitions. [2020-11-30 01:16:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 01:16:41,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:16:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 414 states and 617 transitions. [2020-11-30 01:16:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 617 transitions. [2020-11-30 01:16:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 01:16:42,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:16:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 420 states and 629 transitions. [2020-11-30 01:16:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 629 transitions. [2020-11-30 01:16:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 01:16:42,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:16:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 421 states and 631 transitions. [2020-11-30 01:16:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 631 transitions. [2020-11-30 01:16:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 01:16:43,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:16:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 423 states and 633 transitions. [2020-11-30 01:16:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 633 transitions. [2020-11-30 01:16:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-30 01:16:43,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 456 states and 673 transitions. [2020-11-30 01:16:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 673 transitions. [2020-11-30 01:16:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-30 01:16:45,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 481 states and 702 transitions. [2020-11-30 01:16:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 702 transitions. [2020-11-30 01:16:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-30 01:16:46,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 484 states and 705 transitions. [2020-11-30 01:16:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 705 transitions. [2020-11-30 01:16:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 01:16:47,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 520 states and 748 transitions. [2020-11-30 01:16:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 748 transitions. [2020-11-30 01:16:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-30 01:16:48,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 542 states and 772 transitions. [2020-11-30 01:16:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 772 transitions. [2020-11-30 01:16:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 01:16:48,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:16:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 553 states and 784 transitions. [2020-11-30 01:16:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 784 transitions. [2020-11-30 01:16:49,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 01:16:49,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 570 states and 802 transitions. [2020-11-30 01:16:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 802 transitions. [2020-11-30 01:16:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:16:49,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:16:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 592 states and 825 transitions. [2020-11-30 01:16:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 825 transitions. [2020-11-30 01:16:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:16:49,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:16:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 612 states and 849 transitions. [2020-11-30 01:16:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 849 transitions. [2020-11-30 01:16:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:16:50,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:16:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 634 states and 872 transitions. [2020-11-30 01:16:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 872 transitions. [2020-11-30 01:16:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:16:50,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:16:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:51,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 637 states and 875 transitions. [2020-11-30 01:16:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 875 transitions. [2020-11-30 01:16:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:16:51,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:16:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 639 states and 876 transitions. [2020-11-30 01:16:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 876 transitions. [2020-11-30 01:16:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 01:16:51,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 656 states and 896 transitions. [2020-11-30 01:16:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 896 transitions. [2020-11-30 01:16:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 01:16:52,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 658 states and 898 transitions. [2020-11-30 01:16:53,491 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 898 transitions. [2020-11-30 01:16:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 01:16:53,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 675 states and 917 transitions. [2020-11-30 01:16:54,099 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 917 transitions. [2020-11-30 01:16:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 01:16:54,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 678 states and 919 transitions. [2020-11-30 01:16:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 919 transitions. [2020-11-30 01:16:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 01:16:54,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 681 states and 921 transitions. [2020-11-30 01:16:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 921 transitions. [2020-11-30 01:16:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-30 01:16:54,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 690 states and 931 transitions. [2020-11-30 01:16:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 931 transitions. [2020-11-30 01:16:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 01:16:55,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 701 states and 944 transitions. [2020-11-30 01:16:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 944 transitions. [2020-11-30 01:16:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 01:16:55,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 733 states and 979 transitions. [2020-11-30 01:16:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 979 transitions. [2020-11-30 01:16:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 01:16:56,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 734 states and 980 transitions. [2020-11-30 01:16:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 980 transitions. [2020-11-30 01:16:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 01:16:56,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 763 states and 1016 transitions. [2020-11-30 01:16:57,603 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1016 transitions. [2020-11-30 01:16:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 01:16:57,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 790 states and 1048 transitions. [2020-11-30 01:16:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1048 transitions. [2020-11-30 01:16:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 01:16:58,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 800 states and 1059 transitions. [2020-11-30 01:16:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1059 transitions. [2020-11-30 01:16:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 01:16:59,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 801 states and 1060 transitions. [2020-11-30 01:16:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1060 transitions. [2020-11-30 01:16:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-30 01:16:59,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 802 states and 1061 transitions. [2020-11-30 01:16:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1061 transitions. [2020-11-30 01:16:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-30 01:16:59,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:16:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:16:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 803 states and 1063 transitions. [2020-11-30 01:16:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1063 transitions. [2020-11-30 01:16:59,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-30 01:16:59,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:16:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 832 states and 1107 transitions. [2020-11-30 01:17:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1107 transitions. [2020-11-30 01:17:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:17:00,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:17:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 855 states and 1133 transitions. [2020-11-30 01:17:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1133 transitions. [2020-11-30 01:17:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:17:01,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:17:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 878 states and 1160 transitions. [2020-11-30 01:17:03,325 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1160 transitions. [2020-11-30 01:17:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:17:03,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:17:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 879 states and 1161 transitions. [2020-11-30 01:17:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1161 transitions. [2020-11-30 01:17:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:17:03,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 01:17:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 886 states and 1170 transitions. [2020-11-30 01:17:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1170 transitions. [2020-11-30 01:17:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:17:04,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 953 states and 1241 transitions. [2020-11-30 01:17:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1241 transitions. [2020-11-30 01:17:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 01:17:07,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 983 states and 1276 transitions. [2020-11-30 01:17:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1276 transitions. [2020-11-30 01:17:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 01:17:10,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:11,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1012 states and 1312 transitions. [2020-11-30 01:17:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1312 transitions. [2020-11-30 01:17:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 01:17:11,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1013 states and 1313 transitions. [2020-11-30 01:17:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1313 transitions. [2020-11-30 01:17:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 01:17:12,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 69 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1058 states and 1362 transitions. [2020-11-30 01:17:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1362 transitions. [2020-11-30 01:17:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 01:17:13,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1087 states and 1392 transitions. [2020-11-30 01:17:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1392 transitions. [2020-11-30 01:17:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 01:17:14,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:14,320 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1116 states and 1422 transitions. [2020-11-30 01:17:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1422 transitions. [2020-11-30 01:17:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:14,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:17,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1176 states and 1486 transitions. [2020-11-30 01:17:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1486 transitions. [2020-11-30 01:17:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:17,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1221 states and 1534 transitions. [2020-11-30 01:17:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1534 transitions. [2020-11-30 01:17:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:21,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1252 states and 1566 transitions. [2020-11-30 01:17:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1566 transitions. [2020-11-30 01:17:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:22,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 01:17:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1256 states and 1573 transitions. [2020-11-30 01:17:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1573 transitions. [2020-11-30 01:17:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:23,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 01:17:23,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1259 states and 1576 transitions. [2020-11-30 01:17:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1576 transitions. [2020-11-30 01:17:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 01:17:23,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 01:17:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1262 states and 1579 transitions. [2020-11-30 01:17:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1579 transitions. [2020-11-30 01:17:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:24,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1310 states and 1632 transitions. [2020-11-30 01:17:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1632 transitions. [2020-11-30 01:17:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:25,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1356 states and 1689 transitions. [2020-11-30 01:17:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1689 transitions. [2020-11-30 01:17:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:27,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1359 states and 1692 transitions. [2020-11-30 01:17:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1692 transitions. [2020-11-30 01:17:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:27,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1364 states and 1696 transitions. [2020-11-30 01:17:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1696 transitions. [2020-11-30 01:17:28,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:28,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1367 states and 1699 transitions. [2020-11-30 01:17:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1699 transitions. [2020-11-30 01:17:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:17:29,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:17:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1376 states and 1709 transitions. [2020-11-30 01:17:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1709 transitions. [2020-11-30 01:17:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-30 01:17:29,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:17:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1377 states and 1712 transitions. [2020-11-30 01:17:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1712 transitions. [2020-11-30 01:17:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-30 01:17:30,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:17:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1405 states and 1745 transitions. [2020-11-30 01:17:31,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1745 transitions. [2020-11-30 01:17:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-30 01:17:31,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:17:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1409 states and 1749 transitions. [2020-11-30 01:17:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1749 transitions. [2020-11-30 01:17:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-30 01:17:32,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:17:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1410 states and 1750 transitions. [2020-11-30 01:17:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1750 transitions. [2020-11-30 01:17:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 01:17:32,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1444 states and 1785 transitions. [2020-11-30 01:17:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1785 transitions. [2020-11-30 01:17:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-30 01:17:34,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-30 01:17:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1445 states and 1792 transitions. [2020-11-30 01:17:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1792 transitions. [2020-11-30 01:17:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-30 01:17:34,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-30 01:17:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1446 states and 1792 transitions. [2020-11-30 01:17:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1792 transitions. [2020-11-30 01:17:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-30 01:17:34,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:17:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1557 states and 1907 transitions. [2020-11-30 01:17:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1907 transitions. [2020-11-30 01:17:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 01:17:36,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-30 01:17:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1558 states and 1907 transitions. [2020-11-30 01:17:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1907 transitions. [2020-11-30 01:17:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-30 01:17:36,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:17:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1568 states and 1918 transitions. [2020-11-30 01:17:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1918 transitions. [2020-11-30 01:17:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-30 01:17:36,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:17:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1579 states and 1931 transitions. [2020-11-30 01:17:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1931 transitions. [2020-11-30 01:17:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 01:17:37,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1580 states and 1932 transitions. [2020-11-30 01:17:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1932 transitions. [2020-11-30 01:17:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 01:17:38,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:38,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1587 states and 1940 transitions. [2020-11-30 01:17:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1940 transitions. [2020-11-30 01:17:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 01:17:38,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1594 states and 1948 transitions. [2020-11-30 01:17:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1948 transitions. [2020-11-30 01:17:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 01:17:39,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:17:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1596 states and 1951 transitions. [2020-11-30 01:17:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1951 transitions. [2020-11-30 01:17:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:39,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:17:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1617 states and 1977 transitions. [2020-11-30 01:17:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1977 transitions. [2020-11-30 01:17:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:42,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:17:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1638 states and 2000 transitions. [2020-11-30 01:17:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2000 transitions. [2020-11-30 01:17:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:43,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:17:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1659 states and 2023 transitions. [2020-11-30 01:17:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2023 transitions. [2020-11-30 01:17:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:45,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1679 states and 2043 transitions. [2020-11-30 01:17:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2043 transitions. [2020-11-30 01:17:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:46,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1696 states and 2061 transitions. [2020-11-30 01:17:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2061 transitions. [2020-11-30 01:17:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:48,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1701 states and 2066 transitions. [2020-11-30 01:17:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2066 transitions. [2020-11-30 01:17:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-30 01:17:50,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:17:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1702 states and 2066 transitions. [2020-11-30 01:17:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2066 transitions. [2020-11-30 01:17:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 01:17:51,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:17:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1718 states and 2083 transitions. [2020-11-30 01:17:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2083 transitions. [2020-11-30 01:17:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 01:17:51,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:17:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 1723 states and 2088 transitions. [2020-11-30 01:17:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2088 transitions. [2020-11-30 01:17:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 01:17:52,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:17:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1739 states and 2105 transitions. [2020-11-30 01:17:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2105 transitions. [2020-11-30 01:17:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 01:17:53,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:17:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 1749 states and 2114 transitions. [2020-11-30 01:17:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2114 transitions. [2020-11-30 01:17:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 01:17:53,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:17:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1895 states and 2275 transitions. [2020-11-30 01:17:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2275 transitions. [2020-11-30 01:17:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 01:17:59,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:17:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:18:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1913 states and 2301 transitions. [2020-11-30 01:18:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2301 transitions. [2020-11-30 01:18:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 01:18:01,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:18:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1942 states and 2336 transitions. [2020-11-30 01:18:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2336 transitions. [2020-11-30 01:18:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 01:18:04,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:18:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1967 states and 2363 transitions. [2020-11-30 01:18:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2363 transitions. [2020-11-30 01:18:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 01:18:06,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:18:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 1988 states and 2384 transitions. [2020-11-30 01:18:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2384 transitions. [2020-11-30 01:18:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 01:18:08,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:18:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2001 states and 2402 transitions. [2020-11-30 01:18:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2402 transitions. [2020-11-30 01:18:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 01:18:09,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 01:18:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2004 states and 2405 transitions. [2020-11-30 01:18:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2405 transitions. [2020-11-30 01:18:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-30 01:18:09,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:18:12,460 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-11-30 01:18:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2042 states and 2444 transitions. [2020-11-30 01:18:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2444 transitions. [2020-11-30 01:18:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:18:13,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:18:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2118 states and 2527 transitions. [2020-11-30 01:18:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2527 transitions. [2020-11-30 01:18:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:18:20,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:18:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2183 states and 2594 transitions. [2020-11-30 01:18:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2594 transitions. [2020-11-30 01:18:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:18:24,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:18:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2190 states and 2600 transitions. [2020-11-30 01:18:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2600 transitions. [2020-11-30 01:18:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:18:26,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:26,525 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:18:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2191 states and 2600 transitions. [2020-11-30 01:18:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2600 transitions. [2020-11-30 01:18:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 01:18:27,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 01:18:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2192 states and 2600 transitions. [2020-11-30 01:18:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2600 transitions. [2020-11-30 01:18:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:28,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2230 states and 2642 transitions. [2020-11-30 01:18:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2642 transitions. [2020-11-30 01:18:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:31,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2241 states and 2655 transitions. [2020-11-30 01:18:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2655 transitions. [2020-11-30 01:18:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:33,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:34,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2251 states and 2665 transitions. [2020-11-30 01:18:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2665 transitions. [2020-11-30 01:18:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:34,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2262 states and 2677 transitions. [2020-11-30 01:18:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2677 transitions. [2020-11-30 01:18:35,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:35,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2300 states and 2717 transitions. [2020-11-30 01:18:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2717 transitions. [2020-11-30 01:18:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:37,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2307 states and 2723 transitions. [2020-11-30 01:18:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2723 transitions. [2020-11-30 01:18:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:38,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2314 states and 2730 transitions. [2020-11-30 01:18:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2730 transitions. [2020-11-30 01:18:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:39,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:40,967 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 01:18:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2345 states and 2764 transitions. [2020-11-30 01:18:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2764 transitions. [2020-11-30 01:18:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:42,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2374 states and 2793 transitions. [2020-11-30 01:18:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2793 transitions. [2020-11-30 01:18:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:45,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2431 states and 2855 transitions. [2020-11-30 01:18:48,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2855 transitions. [2020-11-30 01:18:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:48,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2439 states and 2863 transitions. [2020-11-30 01:18:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 2863 transitions. [2020-11-30 01:18:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:50,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2445 states and 2871 transitions. [2020-11-30 01:18:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2871 transitions. [2020-11-30 01:18:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:51,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2471 states and 2897 transitions. [2020-11-30 01:18:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2897 transitions. [2020-11-30 01:18:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:53,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2493 states and 2920 transitions. [2020-11-30 01:18:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2920 transitions. [2020-11-30 01:18:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:56,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2500 states and 2928 transitions. [2020-11-30 01:18:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2928 transitions. [2020-11-30 01:18:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:18:57,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-11-30 01:18:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:18:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2502 states and 2930 transitions. [2020-11-30 01:18:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2930 transitions. [2020-11-30 01:18:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 01:18:58,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:18:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:18:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 154 proven. 7 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2521 states and 2956 transitions. [2020-11-30 01:19:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 2956 transitions. [2020-11-30 01:19:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-11-30 01:19:02,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2020-11-30 01:19:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2524 states and 2959 transitions. [2020-11-30 01:19:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 2959 transitions. [2020-11-30 01:19:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-30 01:19:03,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-11-30 01:19:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2525 states and 2959 transitions. [2020-11-30 01:19:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2959 transitions. [2020-11-30 01:19:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-11-30 01:19:03,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-30 01:19:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2544 states and 2984 transitions. [2020-11-30 01:19:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2984 transitions. [2020-11-30 01:19:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-11-30 01:19:05,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2554 states and 2998 transitions. [2020-11-30 01:19:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 2998 transitions. [2020-11-30 01:19:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-11-30 01:19:07,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 2564 states and 3012 transitions. [2020-11-30 01:19:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3012 transitions. [2020-11-30 01:19:07,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-30 01:19:07,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 2595 states and 3051 transitions. [2020-11-30 01:19:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3051 transitions. [2020-11-30 01:19:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-11-30 01:19:12,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 2620 states and 3077 transitions. [2020-11-30 01:19:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3077 transitions. [2020-11-30 01:19:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 01:19:17,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2631 states and 3094 transitions. [2020-11-30 01:19:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3094 transitions. [2020-11-30 01:19:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 01:19:20,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-30 01:19:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 2641 states and 3107 transitions. [2020-11-30 01:19:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3107 transitions. [2020-11-30 01:19:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:23,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:25,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 2648 states and 3114 transitions. [2020-11-30 01:19:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3114 transitions. [2020-11-30 01:19:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:25,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:28,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 2691 states and 3159 transitions. [2020-11-30 01:19:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3159 transitions. [2020-11-30 01:19:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:28,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2701 states and 3168 transitions. [2020-11-30 01:19:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3168 transitions. [2020-11-30 01:19:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:28,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 2749 states and 3220 transitions. [2020-11-30 01:19:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3220 transitions. [2020-11-30 01:19:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:32,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 2792 states and 3261 transitions. [2020-11-30 01:19:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3261 transitions. [2020-11-30 01:19:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:35,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2795 states and 3264 transitions. [2020-11-30 01:19:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3264 transitions. [2020-11-30 01:19:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:36,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2857 states and 3329 transitions. [2020-11-30 01:19:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3329 transitions. [2020-11-30 01:19:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:40,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 2873 states and 3343 transitions. [2020-11-30 01:19:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3343 transitions. [2020-11-30 01:19:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:43,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3346 states to 2876 states and 3346 transitions. [2020-11-30 01:19:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3346 transitions. [2020-11-30 01:19:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:44,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 2900 states and 3372 transitions. [2020-11-30 01:19:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3372 transitions. [2020-11-30 01:19:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:48,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 2916 states and 3386 transitions. [2020-11-30 01:19:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3386 transitions. [2020-11-30 01:19:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:50,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 2941 states and 3411 transitions. [2020-11-30 01:19:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 3411 transitions. [2020-11-30 01:19:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:51,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 2942 states and 3411 transitions. [2020-11-30 01:19:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3411 transitions. [2020-11-30 01:19:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:53,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 2949 states and 3418 transitions. [2020-11-30 01:19:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 3418 transitions. [2020-11-30 01:19:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:55,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 2959 states and 3427 transitions. [2020-11-30 01:19:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 3427 transitions. [2020-11-30 01:19:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:56,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 2961 states and 3428 transitions. [2020-11-30 01:19:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 3428 transitions. [2020-11-30 01:19:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:57,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 2971 states and 3437 transitions. [2020-11-30 01:19:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3437 transitions. [2020-11-30 01:19:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-30 01:19:57,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:19:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:19:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-11-30 01:19:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:19:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2028 states and 2367 transitions. [2020-11-30 01:19:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2367 transitions. [2020-11-30 01:19:59,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:19:59,252 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 149 iterations. [2020-11-30 01:19:59,266 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:19:59,723 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2020-11-30 01:19:59,953 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:00,308 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 24 [2020-11-30 01:20:00,524 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2020-11-30 01:20:00,938 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-11-30 01:20:01,253 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2020-11-30 01:20:01,460 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2020-11-30 01:20:01,743 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2020-11-30 01:20:01,940 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:02,163 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2020-11-30 01:20:02,387 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2020-11-30 01:20:02,688 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2020-11-30 01:20:03,039 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-11-30 01:20:03,292 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2020-11-30 01:20:03,480 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:03,818 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-11-30 01:20:04,124 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2020-11-30 01:20:04,360 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-11-30 01:20:04,607 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2020-11-30 01:20:04,822 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-11-30 01:20:05,159 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2020-11-30 01:20:05,339 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-11-30 01:20:05,530 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:05,810 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2020-11-30 01:20:06,104 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2020-11-30 01:20:06,343 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:06,482 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-30 01:20:06,713 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-11-30 01:20:06,917 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2020-11-30 01:20:07,212 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-11-30 01:20:07,472 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2020-11-30 01:20:07,651 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2020-11-30 01:20:07,797 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-30 01:20:08,036 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-30 01:20:08,311 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-11-30 01:20:08,558 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 01:20:08,825 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 01:20:09,177 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2020-11-30 01:20:09,499 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2020-11-30 01:20:09,687 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-11-30 01:20:09,865 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:10,053 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:10,226 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-11-30 01:20:10,451 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-30 01:20:10,860 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:11,134 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 01:20:11,321 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-11-30 01:20:11,594 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 01:20:11,783 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:12,071 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2020-11-30 01:20:12,389 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 24 [2020-11-30 01:20:12,590 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:12,827 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2020-11-30 01:20:13,053 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 24 [2020-11-30 01:20:13,312 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:13,643 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2020-11-30 01:20:13,837 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 24 [2020-11-30 01:20:14,137 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2020-11-30 01:20:14,285 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-30 01:20:14,566 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-11-30 01:20:14,727 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-11-30 01:20:14,953 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-30 01:20:15,136 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2020-11-30 01:20:15,476 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-11-30 01:20:15,779 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2020-11-30 01:20:16,016 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:16,468 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 24 [2020-11-30 01:20:16,729 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:17,059 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 24 [2020-11-30 01:20:17,400 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 24 [2020-11-30 01:20:17,814 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-11-30 01:20:18,091 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-30 01:20:18,257 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-30 01:20:18,500 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2020-11-30 01:20:18,740 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2020-11-30 01:20:18,967 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-11-30 01:20:19,328 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 24 [2020-11-30 01:20:19,642 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 24 [2020-11-30 01:20:19,642 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:20:19,647 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-11-30 01:20:19,656 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-11-30 01:20:19,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:20:19 ImpRootNode [2020-11-30 01:20:19,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:20:19,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:20:19,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:20:19,660 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:20:19,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:16:34" (3/4) ... [2020-11-30 01:20:19,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:20:19,693 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-11-30 01:20:19,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:20:19,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 01:20:19,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:20:19,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_870d0e23-70c3-477c-9ae6-45109ac6083f/bin/ukojak/witness.graphml [2020-11-30 01:20:19,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:20:19,848 INFO L168 Benchmark]: Toolchain (without parser) took 229007.14 ms. Allocated memory was 96.5 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 69.8 MB in the beginning and 2.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 573.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,848 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:20:19,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.88 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 50.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.97 ms. Allocated memory is still 96.5 MB. Free memory was 50.7 MB in the beginning and 71.5 MB in the end (delta: -20.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,850 INFO L168 Benchmark]: Boogie Preprocessor took 96.79 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 69.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,850 INFO L168 Benchmark]: RCFGBuilder took 2662.73 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 69.7 MB in the beginning and 101.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,851 INFO L168 Benchmark]: CodeCheck took 225259.02 ms. Allocated memory was 148.9 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 101.6 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 923.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,851 INFO L168 Benchmark]: Witness Printer took 186.94 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:20:19,853 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 204.7s, OverallIterations: 149, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 604349696 SDtfs, 238203550 SDslu, -668580608 SDs, 0 SdLazy, -127644324 SolverSat, 1243384962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1163.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183481 GetRequests, 174346 SyntacticMatches, 7903 SemanticMatches, 1232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969339 ImplicationChecksByTransitivity, 165.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 26819 NumberOfCodeBlocks, 26819 NumberOfCodeBlocksAsserted, 148 NumberOfCheckSat, 26671 ConstructedInterpolants, 0 QuantifiedInterpolants, 14532113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 148 InterpolantComputations, 130 PerfectInterpolantSequences, 22717/23167 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((a19 == 1 && a25 == 1) || ((7 == a17 && a21 == 1) && a28 == 9)) || (a25 == 1 && !(a11 == 1))) || (a17 <= 8 && !(a25 == 1)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((a19 == 1 && a25 == 1) || ((7 == a17 && a21 == 1) && a28 == 9)) || (a25 == 1 && !(a11 == 1))) || (a17 <= 8 && !(a25 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.88 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 50.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.97 ms. Allocated memory is still 96.5 MB. Free memory was 50.7 MB in the beginning and 71.5 MB in the end (delta: -20.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.79 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 69.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2662.73 ms. Allocated memory was 96.5 MB in the beginning and 148.9 MB in the end (delta: 52.4 MB). Free memory was 69.7 MB in the beginning and 101.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * CodeCheck took 225259.02 ms. Allocated memory was 148.9 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 101.6 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 923.4 MB. Max. memory is 16.1 GB. * Witness Printer took 186.94 ms. Allocated memory is still 3.0 GB. Free memory was 2.5 GB in the beginning and 2.4 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...